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Système EDGAR de la U.S. Securities and Exchange Commission Sec 25/07/2018 Système EDGAR de la U.S. Securities and Exchange Commission, États-Unis

Texte

Entité

entityName STATE STREET CORPORATION
Cik 93751
Forme 10-Q
Classé 2018-07-25
Fp Q2
Fy 2018
Accn 0000093751-18-000439

Faits se terminant le 2018-07-20

Description Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.
Fait EntityCommonStockSharesOutstanding
Cadre CY2018Q2I
Étiquette Entity Common Stock, Shares Outstanding
Taxonomie dei
Unité shares
Val 365 827 604

Faits se terminant le 2018-06-30

  1. Description The amount of securities on deposit with clearing organizations and other entities which provide services necessary to operations of the Company. This item would include, for instance, securities advanced as refundable collateral for securities borrowed.
    Fait DepositsWithClearingOrganizationsAndOthersSecurities
    Cadre CY2018Q2I
    Étiquette Deposits with Clearing Organizations and Others, Securities
    Taxonomie us-gaap
    Unité USD
    Val 131 000 000
  2. Description Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.
    Fait AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
    Cadre CY2018Q2I
    Étiquette Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax
    Taxonomie us-gaap
    Unité USD
    Val -1 037 000 000
  3. Description Amount of cash (inflow) outflow from investing activities classified as other.
    Fait PaymentsForProceedsFromOtherInvestingActivities
    Étiquette Payments for (Proceeds from) Other Investing Activities
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -28 000 000
  4. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fait EarningsPerShareDiluted
    Étiquette Earnings Per Share, Diluted
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD/shares
    Val 3,51
  5. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fait EarningsPerShareDiluted
    Étiquette Earnings Per Share, Diluted
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD/shares
    Val 1,88
  6. Description Amount of asset associated with derivative liabilities, securities sold under agreements to repurchase and securities loaned.
    Fait DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset
    Cadre CY2018Q2I
    Étiquette Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Asset
    Taxonomie us-gaap
    Unité USD
    Val 59 716 000 000
  7. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fait IncomeTaxExpenseBenefit
    Étiquette Income Tax Expense (Benefit)
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 233 000 000
  8. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fait IncomeTaxExpenseBenefit
    Étiquette Income Tax Expense (Benefit)
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 131 000 000
  9. Description Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
    Taxonomie us-gaap
    Unité USD
    Val 1 501 000 000
  10. Description The net amount of operating interest income (expense).
    Fait InterestIncomeExpenseNet
    Étiquette Interest Income (Expense), Net
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 302 000 000
  11. Description The net amount of operating interest income (expense).
    Fait InterestIncomeExpenseNet
    Étiquette Interest Income (Expense), Net
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 659 000 000
  12. Description Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fait SecuritiesSoldUnderAgreementsToRepurchase
    Cadre CY2018Q2I
    Étiquette Securities Sold under Agreements to Repurchase
    Taxonomie us-gaap
    Unité USD
    Val 3 088 000 000
  13. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fait Goodwill
    Cadre CY2018Q2I
    Étiquette Goodwill
    Taxonomie us-gaap
    Unité USD
    Val 5 973 000 000
  14. Description The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees.
    Fait FloorBrokerageExchangeAndClearanceFees
    Étiquette Floor Brokerage, Exchange and Clearance Fees
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 488 000 000
  15. Description The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees.
    Fait FloorBrokerageExchangeAndClearanceFees
    Étiquette Floor Brokerage, Exchange and Clearance Fees
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 246 000 000
  16. Description Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fait DerivativeFairValueOfDerivativeAsset
    Cadre CY2018Q2I
    Étiquette Derivative Asset, Fair Value, Gross Asset
    Taxonomie us-gaap
    Unité USD
    Val 17 382 000 000
  17. Description Amount after tax of reclassification adjustments of other comprehensive income (loss).
    Fait ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
    Étiquette Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -17 000 000
  18. Description Amount after tax of reclassification adjustments of other comprehensive income (loss).
    Fait ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
    Cadre CY2018Q2
    Étiquette Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val -32 000 000
  19. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fait OtherComprehensiveIncomeLossNetOfTax
    Étiquette Other Comprehensive Income (Loss), Net of Tax
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -479 000 000
  20. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fait OtherComprehensiveIncomeLossNetOfTax
    Étiquette Other Comprehensive Income (Loss), Net of Tax
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val -414 000 000
  21. Description Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).
    Fait HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain
    Taxonomie us-gaap
    Unité USD
    Val 175 000 000
  22. Description Amount of cash outflow through purchase of long-term held-to-maturity securities.
    Fait PaymentsToAcquireHeldToMaturitySecurities
    Étiquette Payments to Acquire Held-to-maturity Securities
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 2 102 000 000
  23. Description Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months.
    Fait AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
    Cadre CY2018Q2I
    Étiquette Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
    Taxonomie us-gaap
    Unité USD
    Val 273 000 000
  24. Description Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fait GoodwillTranslationAndPurchaseAccountingAdjustments
    Étiquette Goodwill, Translation and Purchase Accounting Adjustments
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -49 000 000
  25. Description Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
    Fait NetCashProvidedByUsedInFinancingActivities
    Étiquette Net Cash Provided by (Used in) Financing Activities
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 109 000 000
  26. Description Ratio of minimum total risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.
    Fait CapitalRequiredForCapitalAdequacyToRiskWeightedAssets
    Cadre CY2018Q2I
    Étiquette Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum
    Taxonomie us-gaap
    Unité pure
    Val 0,11
  27. Description Ratio of minimum Tier 1 risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.
    Fait TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
    Cadre CY2018Q2I
    Étiquette Banking Regulation, Tier One Risk-Based Capital Ratio, Capital Adequacy, Minimum
    Taxonomie us-gaap
    Unité pure
    Val 0,09
  28. Description Number of financing receivables that have been modified by troubled debt restructurings.
    Fait FinancingReceivableModificationsNumberOfContracts2
    Étiquette Financing Receivable, Modifications, Number of Contracts
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité loan
    Val 0
  29. Description The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.
    Fait ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
    Étiquette Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 2 863 000 000
  30. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fait DeferredIncomeTaxExpenseBenefit
    Étiquette Deferred Income Tax Expense (Benefit)
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -93 000 000
  31. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for 12 months or longer.
    Fait HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 9 708 000 000
  32. Description Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.
    Fait TreasuryStockShares
    Cadre CY2018Q2I
    Étiquette Treasury Stock, Shares
    Taxonomie us-gaap
    Unité shares
    Val 0
  33. Description Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fait AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
    Cadre CY2018Q2I
    Étiquette Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five
    Taxonomie us-gaap
    Unité USD
    Val 14 067 000 000
  34. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).
    Fait DividendsPreferredStock
    Étiquette Dividends, Preferred Stock
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 91 000 000
  35. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).
    Fait DividendsPreferredStock
    Étiquette Dividends, Preferred Stock
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 36 000 000
  36. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fait NetIncomeLossAvailableToCommonStockholdersBasic
    Étiquette Net Income (Loss) Available to Common Stockholders, Basic
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 303 000 000
  37. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fait NetIncomeLossAvailableToCommonStockholdersBasic
    Étiquette Net Income (Loss) Available to Common Stockholders, Basic
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 698 000 000
  38. Description Amount of increase (decrease) in deposit liabilities classified as other.
    Fait IncreaseDecreaseInOtherDeposits
    Étiquette Increase (Decrease) in Other Deposits
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -960 000 000
  39. Description Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.
    Fait DerivativeLiabilityFairValueGrossAsset
    Cadre CY2018Q2I
    Étiquette Derivative Liability, Fair Value, Gross Asset
    Taxonomie us-gaap
    Unité USD
    Val 12 608 000 000
  40. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fait PaymentsToAcquirePropertyPlantAndEquipment
    Étiquette Payments to Acquire Property, Plant, and Equipment
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 285 000 000
  41. Description The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fait AmortizationOfIntangibleAssets
    Étiquette Amortization of Intangible Assets
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 98 000 000
  42. Description The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fait AmortizationOfIntangibleAssets
    Étiquette Amortization of Intangible Assets
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 48 000 000
  43. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fait ComprehensiveIncomeNetOfTax
    Étiquette Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 916 000 000
  44. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fait ComprehensiveIncomeNetOfTax
    Étiquette Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 320 000 000
  45. Description The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting.
    Fait ProceedsFromDivestitureOfInterestInJointVenture
    Étiquette Proceeds from Divestiture of Interest in Joint Venture
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  46. Description Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).
    Fait TradingSecurities
    Cadre CY2018Q2I
    Étiquette Debt Securities, Trading, and Equity Securities, FV-NI
    Taxonomie us-gaap
    Unité USD
    Val 1 160 000 000
  47. Description Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.
    Fait RestructuringReserve
    Étiquette Restructuring Reserve
    Taxonomie us-gaap
    Unité USD
    Val 141 000 000
  48. Description Sum of the carrying amounts as of the date of the latest financial statement presented of securities which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.
    Fait PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged
    Cadre CY2018Q2I
    Étiquette Pledged Financial Instruments, Not Separately Reported, Securities
    Taxonomie us-gaap
    Unité USD
    Val 33 000 000 000
  49. Description Fair value, after effects of master netting arrangements, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.
    Fait DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
    Cadre CY2018Q2I
    Étiquette Derivative Asset, Fair Value, Amount Offset Against Collateral
    Taxonomie us-gaap
    Unité USD
    Val 6 051 000 000
  50. Description Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fait FiniteLivedIntangibleAssetsNet
    Cadre CY2018Q2I
    Étiquette Finite-Lived Intangible Assets, Net
    Taxonomie us-gaap
    Unité USD
    Val 1 500 000 000
  51. Description Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.
    Fait StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
    Cadre CY2018Q2I
    Étiquette Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
    Taxonomie us-gaap
    Unité USD
    Val 22 571 000 000
  52. Description Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.
    Fait OtherNoncashIncomeExpense
    Étiquette Other Noncash Income (Expense)
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -268 000 000
  53. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fait FinancingReceivableAllowanceForCreditLosses
    Étiquette Financing Receivable, Allowance for Credit Loss
    Taxonomie us-gaap
    Unité USD
    Val 55 000 000
  54. Description Amount, after effects of master netting arrangements, of derivative assets, securities purchased under agreements to resell and securities borrowed offset against an obligation to return collateral under a master netting arrangement. Includes assets not subject to a master netting arrangement and not elected to be offset.
    Fait DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral
    Cadre CY2018Q2I
    Étiquette Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Amount Offset Against Collateral
    Taxonomie us-gaap
    Unité USD
    Val 6 361 000 000
  55. Description Amount of revenue from providing investment advisory, asset management and administrative services, including, but not limited to, distribution and shareholder services, accounting, tax, legal, regulatory filing, share registration, and shareholder correspondence activities.
    Fait InvestmentAdvisoryManagementAndAdministrativeFees
    Étiquette Investment Advisory, Management and Administrative Fees (Deprecated 2018-01-31)
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 937 000 000
  56. Description Amount of revenue from providing investment advisory, asset management and administrative services, including, but not limited to, distribution and shareholder services, accounting, tax, legal, regulatory filing, share registration, and shareholder correspondence activities.
    Fait InvestmentAdvisoryManagementAndAdministrativeFees
    Cadre CY2018Q2
    Étiquette Investment Advisory, Management and Administrative Fees (Deprecated 2018-01-31)
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 465 000 000
  57. Description Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fait PropertyPlantAndEquipmentNet
    Cadre CY2018Q2I
    Étiquette Property, Plant and Equipment, Net
    Taxonomie us-gaap
    Unité USD
    Val 2 189 000 000
  58. Description Amount, before effects of master netting arrangements, of derivative liabilities, securities sold under agreements to repurchase and securities loaned. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fait DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross
    Cadre CY2018Q2I
    Étiquette Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Gross
    Taxonomie us-gaap
    Unité USD
    Val 79 021 000 000
  59. Description Aggregate amount of interest paid or due on all long-term debt.
    Fait InterestExpenseLongTermDebt
    Étiquette Interest Expense, Long-term Debt
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 194 000 000
  60. Description Aggregate amount of interest paid or due on all long-term debt.
    Fait InterestExpenseLongTermDebt
    Étiquette Interest Expense, Long-term Debt
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 97 000 000
  61. Description The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.
    Fait AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds
    Étiquette Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds (Deprecated 2018-01-31)
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 8 000 000
  62. Description The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.
    Fait AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds
    Cadre CY2018Q2
    Étiquette Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds (Deprecated 2018-01-31)
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 9 000 000
  63. Description Aggregate dividends declared during the period for each share of common stock outstanding.
    Fait CommonStockDividendsPerShareDeclared
    Étiquette Common Stock, Dividends, Per Share, Declared
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD/shares
    Val 0,84
  64. Description Aggregate dividends declared during the period for each share of common stock outstanding.
    Fait CommonStockDividendsPerShareDeclared
    Étiquette Common Stock, Dividends, Per Share, Declared
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD/shares
    Val 0,42
  65. Description The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.
    Fait ImpairmentOfInvestments
    Étiquette Other than Temporary Impairment Losses, Investments
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 000 000
  66. Description The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.
    Fait ImpairmentOfInvestments
    Cadre CY2018Q2
    Étiquette Other than Temporary Impairment Losses, Investments
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 1 000 000
  67. Description This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.
    Fait StockholdersEquityOther
    Étiquette Stockholders' Equity, Other
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -3 000 000
  68. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.
    Fait HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss
    Taxonomie us-gaap
    Unité USD
    Val 964 000 000
  69. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fait LaborAndRelatedExpense
    Étiquette Labor and Related Expense
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 2 374 000 000
  70. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fait LaborAndRelatedExpense
    Étiquette Labor and Related Expense
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 1 125 000 000
  71. Description Amount of unrecognized tax benefits.
    Fait UnrecognizedTaxBenefits
    Cadre CY2018Q2I
    Étiquette Unrecognized Tax Benefits
    Taxonomie us-gaap
    Unité USD
    Val 83 000 000
  72. Description The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.
    Fait ProceedsFromSaleOfAvailableForSaleSecurities
    Étiquette Proceeds from Sale of Available-for-sale Securities
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 15 687 000 000
  73. Description Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fait OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
    Étiquette Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -187 000 000
  74. Description Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fait OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
    Étiquette Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val -338 000 000
  75. Description Amount of assets classified as other.
    Fait OtherAssets
    Cadre CY2018Q2I
    Étiquette Other Assets
    Taxonomie us-gaap
    Unité USD
    Val 39 554 000 000
  76. Description Gross expenses on securities sold coupled with an agreement to repurchase the same from the same counterparty at a fixed or determinable price within a fixed or variable time period.
    Fait InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
    Étiquette Interest Expense, Securities Sold under Agreements to Repurchase
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 7 000 000
  77. Description Gross expenses on securities sold coupled with an agreement to repurchase the same from the same counterparty at a fixed or determinable price within a fixed or variable time period.
    Fait InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
    Étiquette Interest Expense, Securities Sold under Agreements to Repurchase
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 6 000 000
  78. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fait NoninterestIncome
    Étiquette Noninterest Income
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 4 736 000 000
  79. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fait NoninterestIncome
    Étiquette Noninterest Income
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 2 358 000 000
  80. Description Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fait AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
    Cadre CY2018Q2I
    Étiquette Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10
    Taxonomie us-gaap
    Unité USD
    Val 15 057 000 000
  81. Description This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.
    Fait AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
    Cadre CY2018Q2I
    Étiquette Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 23 062 000 000
  82. Description For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.
    Fait InterestBearingDepositsInBanks
    Cadre CY2018Q2I
    Étiquette Interest-bearing Deposits in Banks and Other Financial Institutions
    Taxonomie us-gaap
    Unité USD
    Val 76 366 000 000
  83. Description Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.
    Fait LoansAndLeasesReceivableNetReportedAmount
    Cadre CY2018Q2I
    Étiquette Loans and Leases Receivable, Net Amount
    Taxonomie us-gaap
    Unité USD
    Val 24 069 000 000
  84. Description Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities, securities sold under agreements to repurchase and securities loaned.
    Fait DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash
    Cadre CY2018Q2I
    Étiquette Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Collateral, Right to Reclaim Cash
    Taxonomie us-gaap
    Unité USD
    Val 12 839 000 000
  85. Description Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fait PreferredStockNoParValue
    Cadre CY2018Q2I
    Étiquette Preferred Stock, No Par Value
    Taxonomie us-gaap
    Unité USD/shares
    Val 0
  86. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fait AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Étiquette Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité shares
    Val 2 000
  87. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fait AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Étiquette Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité shares
    Val 1 206 000
  88. Description Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.
    Fait LoansPledgedAsCollateral
    Cadre CY2018Q2I
    Étiquette Loans Pledged as Collateral
    Taxonomie us-gaap
    Unité USD
    Val 5 200 000 000
  89. Description Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.
    Fait AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
    Cadre CY2018Q2I
    Étiquette Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
    Taxonomie us-gaap
    Unité USD
    Val 167 000 000
  90. Description Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).
    Fait MarketableSecuritiesGainLoss
    Étiquette Marketable Securities, Gain (Loss)
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 7 000 000
  91. Description Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).
    Fait MarketableSecuritiesGainLoss
    Étiquette Marketable Securities, Gain (Loss)
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 9 000 000
  92. Description Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fait AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
    Cadre CY2018Q2I
    Étiquette Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
    Taxonomie us-gaap
    Unité USD
    Val 4 643 000 000
  93. Description Net cash inflow (outflow) of time deposits.
    Fait IncreaseDecreaseInTimeDeposits
    Étiquette Increase (Decrease) in Time Deposits
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 2 727 000 000
  94. Description The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.
    Fait VariableInterestEntityConsolidatedCarryingAmountAssets
    Cadre CY2018Q2I
    Étiquette Variable Interest Entity, Consolidated, Carrying Amount, Assets (Deprecated 2020-01-31)
    Taxonomie us-gaap
    Unité USD
    Val 1 060 000 000
  95. Description Amount of fee and commission revenue classified as other.
    Fait FeesAndCommissionsOther
    Étiquette Fees and Commissions, Other (Deprecated 2018-01-31)
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 83 000 000
  96. Description Amount of fee and commission revenue classified as other.
    Fait FeesAndCommissionsOther
    Cadre CY2018Q2
    Étiquette Fees and Commissions, Other (Deprecated 2018-01-31)
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 43 000 000
  97. Description A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.
    Fait ProfessionalFees
    Étiquette Professional Fees
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 168 000 000
  98. Description A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.
    Fait ProfessionalFees
    Étiquette Professional Fees
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 89 000 000
  99. Description Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.
    Fait PaymentsOfDividends
    Étiquette Payments of Dividends
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 399 000 000
  100. Description Face amount or stated value per share of common stock.
    Fait CommonStockParOrStatedValuePerShare
    Cadre CY2018Q2I
    Étiquette Common Stock, Par or Stated Value Per Share
    Taxonomie us-gaap
    Unité USD/shares
    Val 1
  101. Description Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.
    Fait AccruedInvestmentIncomeReceivable
    Cadre CY2018Q2I
    Étiquette Accrued Investment Income Receivable
    Taxonomie us-gaap
    Unité USD
    Val 3 086 000 000
  102. Description Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
    Fait AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
    Cadre CY2018Q2I
    Étiquette Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomie us-gaap
    Unité USD
    Val 3 999 000 000
  103. Description Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.
    Fait FairValueAssetsLevel1ToLevel2TransfersAmount
    Cadre CY2018Q2I
    Étiquette Fair Value, Assets, Level 1 to Level 2 Transfers, Amount
    Taxonomie us-gaap
    Unité USD
    Val 0
  104. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.
    Fait HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
    Taxonomie us-gaap
    Unité USD
    Val 396 000 000
  105. Description The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).
    Fait OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
    Étiquette Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held
    Taxonomie us-gaap
    Unité USD
    Val 65 000 000
  106. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fait LiabilitiesAndStockholdersEquity
    Cadre CY2018Q2I
    Étiquette Liabilities and Equity
    Taxonomie us-gaap
    Unité USD
    Val 248 308 000 000
  107. Description Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.
    Fait AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
    Cadre CY2018Q2I
    Étiquette Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax
    Taxonomie us-gaap
    Unité USD
    Val -113 000 000
  108. Description Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.
    Fait AccruedLiabilitiesCurrentAndNoncurrent
    Cadre CY2018Q2I
    Étiquette Accrued Liabilities
    Taxonomie us-gaap
    Unité USD
    Val 24 496 000 000
  109. Description Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer.
    Fait OtherShortTermBorrowings
    Cadre CY2018Q2I
    Étiquette Other Short-term Borrowings
    Taxonomie us-gaap
    Unité USD
    Val 1 103 000 000
  110. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for less than 12 months.
    Fait HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
    Taxonomie us-gaap
    Unité USD
    Val 568 000 000
  111. Description Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fait SecuritiesSoldUnderAgreementsToRepurchaseGross
    Cadre CY2018Q2I
    Étiquette Securities Sold under Agreements to Repurchase, Gross
    Taxonomie us-gaap
    Unité USD
    Val 45 123 000 000
  112. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fait RetainedEarningsAccumulatedDeficit
    Cadre CY2018Q2I
    Étiquette Retained Earnings (Accumulated Deficit)
    Taxonomie us-gaap
    Unité USD
    Val 19 856 000 000
  113. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on U.S. Treasury securities and other U.S. government securities.
    Fait InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment
    Étiquette Interest Income, Securities, US Treasury and Other US Government
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 534 000 000
  114. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on U.S. Treasury securities and other U.S. government securities.
    Fait InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment
    Étiquette Interest Income, Securities, US Treasury and Other US Government
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 280 000 000
  115. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fait HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10
    Taxonomie us-gaap
    Unité USD
    Val 19 336 000 000
  116. Description Income from services rendered by trust departments or by any consolidated subsidiaries acting in a fiduciary capacity, including fees earned for (1) acting as an agent for fiduciary placement and loans and (2) custody or investment advisory services when such fees are not separately billed to the customer. This item excludes commissions and fees received for the accumulation or disbursement of funds deposited to Individual Retirement or Keogh plan accounts when such are not handled by the reporting entity's trust department.
    Fait FeesAndCommissionsFiduciaryAndTrustActivities
    Étiquette Fees and Commissions, Fiduciary and Trust Activities (Deprecated 2018-01-31)
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 2 802 000 000
  117. Description Income from services rendered by trust departments or by any consolidated subsidiaries acting in a fiduciary capacity, including fees earned for (1) acting as an agent for fiduciary placement and loans and (2) custody or investment advisory services when such fees are not separately billed to the customer. This item excludes commissions and fees received for the accumulation or disbursement of funds deposited to Individual Retirement or Keogh plan accounts when such are not handled by the reporting entity's trust department.
    Fait FeesAndCommissionsFiduciaryAndTrustActivities
    Cadre CY2018Q2
    Étiquette Fees and Commissions, Fiduciary and Trust Activities (Deprecated 2018-01-31)
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 1 381 000 000
  118. Description This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.
    Fait EquityMethodInvestments
    Cadre CY2018Q2I
    Étiquette Equity Method Investments
    Taxonomie us-gaap
    Unité USD
    Val 2 791 000 000
  119. Description The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.
    Fait InterestAndFeeIncomeLoansAndLeases
    Étiquette Interest and Fee Income, Loans and Leases
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 325 000 000
  120. Description The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.
    Fait InterestAndFeeIncomeLoansAndLeases
    Étiquette Interest and Fee Income, Loans and Leases
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 169 000 000
  121. Description Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.
    Fait AvailableForSaleSecurities
    Cadre CY2018Q2I
    Étiquette Available-for-sale Securities
    Taxonomie us-gaap
    Unité USD
    Val 47 348 000 000
  122. Description Amount of other miscellaneous assets.
    Fait OtherAssetsMiscellaneous
    Cadre CY2018Q2I
    Étiquette Other Assets, Miscellaneous
    Taxonomie us-gaap
    Unité USD
    Val 414 000 000
  123. Description Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.
    Fait IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
    Étiquette Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 628 000 000
  124. Description Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.
    Fait IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
    Étiquette Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 865 000 000
  125. Description This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis.
    Fait OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
    Étiquette Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 000 000
  126. Description Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
    Fait DeferredTaxAssetsNet
    Cadre CY2018Q2I
    Étiquette Deferred Tax Assets, Net of Valuation Allowance
    Taxonomie us-gaap
    Unité USD
    Val 109 000 000
  127. Description This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.
    Fait AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
    Cadre CY2018Q2I
    Étiquette Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 19 305 000 000
  128. Description Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.
    Fait AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
    Cadre CY2018Q2I
    Étiquette Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
    Taxonomie us-gaap
    Unité USD
    Val 440 000 000
  129. Description The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer.
    Fait ProceedsFromRepaymentsOfShortTermDebt
    Étiquette Proceeds from (Repayments of) Short-term Debt
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 205 000 000
  130. Description Amount, after tax, of accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fait AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
    Cadre CY2018Q2I
    Étiquette AOCI, Debt Securities, Available-for-sale, Adjustment, after Tax
    Taxonomie us-gaap
    Unité USD
    Val -112 000 000
  131. Description Fair value, after effects of master netting arrangements, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against the right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fait DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
    Cadre CY2018Q2I
    Étiquette Derivative Liability, Fair Value, Amount Offset Against Collateral
    Taxonomie us-gaap
    Unité USD
    Val 4 996 000 000
  132. Description Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.
    Fait PrepaidExpenseCurrentAndNoncurrent
    Cadre CY2018Q2I
    Étiquette Prepaid Expense
    Taxonomie us-gaap
    Unité USD
    Val 425 000 000
  133. Description Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.
    Fait AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
    Cadre CY2018Q2I
    Étiquette Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax
    Taxonomie us-gaap
    Unité USD
    Val 228 000 000
  134. Description Total amount of interest-bearing domestic deposit liabilities, which may include brokered, retail, demand, checking, notice of withdrawal, money market and other interest-bearing deposits.
    Fait InterestBearingDepositLiabilitiesDomestic
    Cadre CY2018Q2I
    Étiquette Interest-bearing Deposit Liabilities, Domestic
    Taxonomie us-gaap
    Unité USD
    Val 57 407 000 000
  135. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fait OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Étiquette OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -257 000 000
  136. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fait OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Étiquette OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val -122 000 000
  137. Description Amount of cash inflow (outflow) from financing activities classified as other.
    Fait ProceedsFromPaymentsForOtherFinancingActivities
    Étiquette Proceeds from (Payments for) Other Financing Activities
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  138. Description Amount of cash outflow for debt, mandatory redeemable security, and principal payment for finance lease obligation.
    Fait RepaymentsOfLongTermDebtAndCapitalSecurities
    Étiquette Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 024 000 000
  139. Description Amount, after the effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes purchases of participations in pools of securities that are subject to a resale agreement, assets not subject to a master netting arrangement and not elected to be offset.
    Fait SecuritiesPurchasedUnderAgreementsToResell
    Cadre CY2018Q2I
    Étiquette Securities Purchased under Agreements to Resell
    Taxonomie us-gaap
    Unité USD
    Val 3 583 000 000
  140. Description Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 333 000 000
  141. Description Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
    Fait NetCashProvidedByUsedInInvestingActivities
    Étiquette Net Cash Provided by (Used in) Investing Activities
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -1 732 000 000
  142. Description The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.
    Fait ProceedsFromIssuanceOfLongTermDebt
    Étiquette Proceeds from Issuance of Long-term Debt
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  143. Description The amount of expense in the period for communications and data processing expense.
    Fait CommunicationsAndInformationTechnology
    Étiquette Communications and Information Technology
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 636 000 000
  144. Description The amount of expense in the period for communications and data processing expense.
    Fait CommunicationsAndInformationTechnology
    Étiquette Communications and Information Technology
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 321 000 000
  145. Description Value of stock issued as a result of the exercise of stock options.
    Fait StockIssuedDuringPeriodValueStockOptionsExercised
    Étiquette Stock Issued During Period, Value, Stock Options Exercised
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 83 000 000
  146. Description The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.
    Fait PreferredStockSharesAuthorized
    Cadre CY2018Q2I
    Étiquette Preferred Stock, Shares Authorized
    Taxonomie us-gaap
    Unité shares
    Val 3 500 000
  147. Description Amount of long-term debt and lease obligation, including portion classified as current.
    Fait LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
    Cadre CY2018Q2I
    Étiquette Long-term Debt and Lease Obligation, Including Current Maturities
    Taxonomie us-gaap
    Unité USD
    Val 10 387 000 000
  148. Description Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.
    Fait CashAndCashEquivalentsPeriodIncreaseDecrease
    Étiquette Cash and Cash Equivalents, Period Increase (Decrease)
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 779 000 000
  149. Description Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 702 000 000
  150. Description Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 273 000 000
  151. Description Aggregate amount of interest expense on all deposits.
    Fait InterestExpenseDeposits
    Étiquette Interest Expense, Deposits
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 152 000 000
  152. Description Aggregate amount of interest expense on all deposits.
    Fait InterestExpenseDeposits
    Étiquette Interest Expense, Deposits
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 89 000 000
  153. Description The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.
    Fait InterestExpenseShortTermBorrowings
    Étiquette Interest Expense, Short-term Borrowings
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 7 000 000
  154. Description The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.
    Fait InterestExpenseShortTermBorrowings
    Étiquette Interest Expense, Short-term Borrowings
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 4 000 000
  155. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fait InterestExpense
    Étiquette Interest Expense
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 462 000 000
  156. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fait InterestExpense
    Étiquette Interest Expense
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 248 000 000
  157. Description Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 984 000 000
  158. Description Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 37 000 000
  159. Description Amount, before effects of master netting arrangements, of derivative assets, securities purchased under agreements to resell and securities borrowed. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fait DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross
    Cadre CY2018Q2I
    Étiquette Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Gross
    Taxonomie us-gaap
    Unité USD
    Val 90 864 000 000
  160. Description Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.
    Fait LoansAndLeasesReceivableAllowance
    Cadre CY2018Q2I
    Étiquette Loans and Leases Receivable, Allowance
    Taxonomie us-gaap
    Unité USD
    Val 55 000 000
  161. Description Amount of transfers of liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.
    Fait FairValueLiabilitiesLevel1ToLevel2TransfersAmount
    Cadre CY2018Q2I
    Étiquette Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount
    Taxonomie us-gaap
    Unité USD
    Val 0
  162. Description Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.
    Fait AdditionalPaidInCapital
    Cadre CY2018Q2I
    Étiquette Additional Paid in Capital
    Taxonomie us-gaap
    Unité USD
    Val 9 820 000 000
  163. Description Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position.
    Fait AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
    Cadre CY2018Q2I
    Étiquette Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss
    Taxonomie us-gaap
    Unité USD
    Val 440 000 000
  164. Description Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fait DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
    Cadre CY2018Q2I
    Étiquette Derivative Liability, Fair Value, Amount Not Offset Against Collateral
    Taxonomie us-gaap
    Unité USD
    Val 5 326 000 000
  165. Description The increase (decrease) during the reporting period in the amount of cash that is received as security when loaning securities.
    Fait IncreaseDecreaseInCashCollateralForLoanedSecurities
    Étiquette Increase (Decrease) in Cash Collateral for Loaned Securities
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 3 159 000 000
  166. Description Interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from debt securities issued by municipal governments, local taxing districts and US state government agencies.
    Fait InterestIncomeSecuritiesStateAndMunicipal
    Étiquette Interest Income, Securities, State and Municipal
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 96 000 000
  167. Description Interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from debt securities issued by municipal governments, local taxing districts and US state government agencies.
    Fait InterestIncomeSecuritiesStateAndMunicipal
    Étiquette Interest Income, Securities, State and Municipal
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 44 000 000
  168. Description The net cash outflow or inflow for the increase (decrease) in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale. Includes cash payments and proceeds associated with (a) loans held-for-investment, (b) leases held-for-investment, and (c) both.
    Fait PaymentsForProceedsFromLoansAndLeases
    Étiquette Payments for (Proceeds from) Loans and Leases
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 819 000 000
  169. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity).
    Fait HeldToMaturitySecuritiesFairValue
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-maturity, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 38 805 000 000
  170. Description Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fait OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
    Étiquette Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -62 000 000
  171. Description Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fait OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
    Étiquette Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val -114 000 000
  172. Description The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.
    Fait Deposits
    Cadre CY2018Q2I
    Étiquette Deposits
    Taxonomie us-gaap
    Unité USD
    Val 186 663 000 000
  173. Description Fair value of collateral permitted, by contact or custom, to be sold or re-pledged.
    Fait FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged
    Cadre CY2018Q2I
    Étiquette Fair Value of Securities Received as Collateral that Can be Resold or Repledged
    Taxonomie us-gaap
    Unité USD
    Val 9 600 000 000
  174. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).
    Fait HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss
    Taxonomie us-gaap
    Unité USD
    Val 964 000 000
  175. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fait HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five
    Taxonomie us-gaap
    Unité USD
    Val 14 629 000 000
  176. Description Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.
    Fait LoansAndLeasesReceivableGrossCarryingAmount
    Cadre CY2018Q2I
    Étiquette Loans and Leases Receivable, Gross
    Taxonomie us-gaap
    Unité USD
    Val 24 124 000 000
  177. Description Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -4 000 000
  178. Description Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val -2 000 000
  179. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fait WeightedAverageNumberOfSharesOutstandingBasic
    Étiquette Weighted Average Number of Shares Outstanding, Basic
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité shares
    Val 366 524 000
  180. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fait WeightedAverageNumberOfSharesOutstandingBasic
    Étiquette Weighted Average Number of Shares Outstanding, Basic
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité shares
    Val 365 619 000
  181. Description This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.
    Fait MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
    Étiquette Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount (Deprecated 2018-01-31)
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 000 000
  182. Description This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.
    Fait MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
    Cadre CY2018Q2
    Étiquette Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount (Deprecated 2018-01-31)
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  183. Description Amount of liability associated with derivative assets, securities purchased under agreements to resell and securities borrowed.
    Fait DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability
    Cadre CY2018Q2I
    Étiquette Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Liability
    Taxonomie us-gaap
    Unité USD
    Val 58 339 000 000
  184. Description Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.
    Fait CommonStockSharesIssued
    Cadre CY2018Q2I
    Étiquette Common Stock, Shares, Issued
    Taxonomie us-gaap
    Unité shares
    Val 503 879 642
  185. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fait ProvisionForLoanAndLeaseLosses
    Étiquette Provision for Loan and Lease Losses
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 2 000 000
  186. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fait ProvisionForLoanAndLeaseLosses
    Étiquette Provision for Loan and Lease Losses
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 2 000 000
  187. Description Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fait ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
    Étiquette Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 8 009 000 000
  188. Description Interest income derived from securities purchased under agreements to resell. The difference in the price at which the institution buys the securities and resells the securities represents interest for the use of the funds by the other party. Most repurchase and sale agreements involve obligations of the federal government or its agencies, but other financial instruments, such as commercial paper, banker's acceptances and negotiable certificates of deposits are sometimes used in such transactions.
    Fait InterestIncomeSecuritiesPurchasedUnderAgreementsToResell
    Étiquette Interest Income, Securities Purchased under Agreements to Resell
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 159 000 000
  189. Description Interest income derived from securities purchased under agreements to resell. The difference in the price at which the institution buys the securities and resells the securities represents interest for the use of the funds by the other party. Most repurchase and sale agreements involve obligations of the federal government or its agencies, but other financial instruments, such as commercial paper, banker's acceptances and negotiable certificates of deposits are sometimes used in such transactions.
    Fait InterestIncomeSecuritiesPurchasedUnderAgreementsToResell
    Étiquette Interest Income, Securities Purchased under Agreements to Resell
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 81 000 000
  190. Description Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fait DerivativeFairValueOfDerivativeLiability
    Cadre CY2018Q2I
    Étiquette Derivative Liability, Fair Value, Gross Liability
    Taxonomie us-gaap
    Unité USD
    Val 17 934 000 000
  191. Description Amount of investment in debt security measured at amortized cost (held-to-maturity).
    Fait HeldToMaturitySecurities
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-maturity
    Taxonomie us-gaap
    Unité USD
    Val 39 594 000 000
  192. Description Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.
    Fait AllowanceForLoanAndLeaseLossesWriteOffs
    Étiquette Allowance for Loan and Lease Losses, Write-offs
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 000 000
  193. Description Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.
    Fait AllowanceForLoanAndLeaseLossesWriteOffs
    Étiquette Allowance for Loan and Lease Losses, Write-offs
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 1 000 000
  194. Description Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.
    Fait Liabilities
    Cadre CY2018Q2I
    Étiquette Liabilities
    Taxonomie us-gaap
    Unité USD
    Val 225 737 000 000
  195. Description Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the par value method.
    Fait TreasuryStockValueAcquiredParValueMethod
    Étiquette Treasury Stock, Value, Acquired, Par Value Method
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 350 000 000
  196. Description Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
    Fait Assets
    Cadre CY2018Q2I
    Étiquette Assets
    Taxonomie us-gaap
    Unité USD
    Val 248 308 000 000
  197. Description Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts.
    Fait InterestIncomeDepositsWithFinancialInstitutions
    Étiquette Interest Income, Deposits with Financial Institutions
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 172 000 000
  198. Description Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts.
    Fait InterestIncomeDepositsWithFinancialInstitutions
    Étiquette Interest Income, Deposits with Financial Institutions
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 90 000 000
  199. Description Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.
    Fait FairValueAssetsLevel2ToLevel1TransfersAmount
    Cadre CY2018Q2I
    Étiquette Fair Value, Assets, Level 2 to Level 1 Transfers, Amount
    Taxonomie us-gaap
    Unité USD
    Val 0
  200. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fait EarningsPerShareBasic
    Étiquette Earnings Per Share, Basic
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD/shares
    Val 3,55
  201. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fait EarningsPerShareBasic
    Étiquette Earnings Per Share, Basic
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD/shares
    Val 1,91
  202. Description The expense in the period incurred with respect to protection provided by insurance entities against risks other than risks associated with production (which are allocated to cost of sales).
    Fait GeneralInsuranceExpense
    Étiquette General Insurance Expense
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 64 000 000
  203. Description The expense in the period incurred with respect to protection provided by insurance entities against risks other than risks associated with production (which are allocated to cost of sales).
    Fait GeneralInsuranceExpense
    Étiquette General Insurance Expense
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 32 000 000
  204. Description Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fait FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss
    Étiquette Finite Lived Intangible Assets, Foreign Currency Translation Gain (Loss)
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -15 000 000
  205. Description Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fait DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
    Cadre CY2018Q2I
    Étiquette Derivative Asset, Fair Value, Amount Not Offset Against Collateral
    Taxonomie us-gaap
    Unité USD
    Val 6 151 000 000
  206. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fait NetIncomeLoss
    Étiquette Net Income (Loss) Attributable to Parent
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 395 000 000
  207. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fait NetIncomeLoss
    Étiquette Net Income (Loss) Attributable to Parent
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 734 000 000
  208. Description For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.
    Fait CashAndDueFromBanks
    Cadre CY2018Q2I
    Étiquette Cash and Due from Banks
    Taxonomie us-gaap
    Unité USD
    Val 3 886 000 000
  209. Description Amount of expense classified as other.
    Fait OtherExpenses
    Étiquette Other Expenses
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 407 000 000
  210. Description Amount of expense classified as other.
    Fait OtherExpenses
    Étiquette Other Expenses
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 206 000 000
  211. Description Amount of increase (decrease) in operating liabilities classified as other.
    Fait IncreaseDecreaseInOtherOperatingLiabilities
    Étiquette Increase (Decrease) in Other Operating Liabilities
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 379 000 000
  212. Description Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 3 000 000
  213. Description Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 4 000 000
  214. Description Amount of transfers of liabilities measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.
    Fait FairValueLiabilitiesLevel2ToLevel1TransfersAmount
    Cadre CY2018Q2I
    Étiquette Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount
    Taxonomie us-gaap
    Unité USD
    Val 0
  215. Description The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.
    Fait TreasuryStockValue
    Cadre CY2018Q2I
    Étiquette Treasury Stock, Value
    Taxonomie us-gaap
    Unité USD
    Val 9 317 000 000
  216. Description Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.
    Fait AccountsReceivableNet
    Cadre CY2018Q2I
    Étiquette Accounts Receivable, after Allowance for Credit Loss
    Taxonomie us-gaap
    Unité USD
    Val 339 000 000
  217. Description This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.
    Fait AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
    Cadre CY2018Q2I
    Étiquette Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 3 757 000 000
  218. Description Amount, before effects of master netting arrangements, of securities loaned to entities in exchange for collateral and funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement.
    Fait SecuritiesLoanedAndSecuritiesSoldUnderAgreementToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement
    Cadre CY2018Q2I
    Étiquette Securities Loaned and Securities Sold under Agreement to Repurchase, Gross Including Not Subject to Master Netting Arrangement
    Taxonomie us-gaap
    Unité USD
    Val 61 087 000 000
  219. Description The total expense recognized in the period for promotion, public relations, and brand or product advertising.
    Fait MarketingAndAdvertisingExpense
    Étiquette Marketing and Advertising Expense
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 55 000 000
  220. Description The total expense recognized in the period for promotion, public relations, and brand or product advertising.
    Fait MarketingAndAdvertisingExpense
    Étiquette Marketing and Advertising Expense
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 29 000 000
  221. Description The cash outflow to reacquire common stock during the period.
    Fait PaymentsForRepurchaseOfCommonStock
    Étiquette Payments for Repurchase of Common Stock
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 350 000 000
  222. Description Ratio of minimum Tier 1 leverage capital to average assets required for capital adequacy as defined by regulatory framework.
    Fait TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
    Cadre CY2018Q2I
    Étiquette Banking Regulation, Tier One Leverage Capital Ratio, Capital Adequacy, Minimum
    Taxonomie us-gaap
    Unité pure
    Val 0,04
  223. Description Amount of fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees.
    Fait InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions
    Étiquette Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 295 000 000
  224. Description Amount of fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees.
    Fait InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions
    Cadre CY2018Q2
    Étiquette Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 154 000 000
  225. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for less than 12 months.
    Fait HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 23 812 000 000
  226. Description The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.
    Fait PaymentsToAcquireAvailableForSaleSecurities
    Étiquette Payments to Acquire Available-for-sale Securities
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 15 459 000 000
  227. Description The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.
    Fait BankOwnedLifeInsurance
    Cadre CY2018Q2I
    Étiquette Bank Owned Life Insurance
    Taxonomie us-gaap
    Unité USD
    Val 3 285 000 000
  228. Description Amount of increase (decrease) of investment in debt and equity securities, measured at fair value with changes in fair value recognized in net income.
    Fait IncreaseDecreaseInTradingSecurities
    Étiquette Increase (Decrease) in Debt Securities, Trading, and Equity Securities, FV-NI
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 67 000 000
  229. Description Total aggregate amount of all noninterest expense.
    Fait NoninterestExpense
    Étiquette Noninterest Expense
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 4 415 000 000
  230. Description Total aggregate amount of all noninterest expense.
    Fait NoninterestExpense
    Étiquette Noninterest Expense
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 2 159 000 000
  231. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.
    Fait DividendsPreferredStockCash
    Étiquette Dividends, Preferred Stock, Cash
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 91 000 000
  232. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.
    Fait DividendsPreferredStockCash
    Étiquette Dividends, Preferred Stock, Cash
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 36 000 000
  233. Description This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.
    Fait AvailableForSaleSecuritiesAmortizedCost
    Cadre CY2018Q2I
    Étiquette Available-for-sale Securities, Amortized Cost Basis
    Taxonomie us-gaap
    Unité USD
    Val 47 560 000 000
  234. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fait WeightedAverageNumberOfDilutedSharesOutstanding
    Étiquette Weighted Average Number of Shares Outstanding, Diluted
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité shares
    Val 371 415 000
  235. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fait WeightedAverageNumberOfDilutedSharesOutstanding
    Étiquette Weighted Average Number of Shares Outstanding, Diluted
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité shares
    Val 370 410 000
  236. Description Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fait OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
    Étiquette Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -14 000 000
  237. Description Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fait OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
    Étiquette Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val -2 000 000
  238. Description Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.
    Fait InterestIncomeOperating
    Étiquette Interest Income, Operating
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 764 000 000
  239. Description Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.
    Fait InterestIncomeOperating
    Étiquette Interest Income, Operating
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 907 000 000
  240. Description Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
    Fait DividendsCommonStockCash
    Étiquette Dividends, Common Stock, Cash
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 307 000 000
  241. Description Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
    Fait DividendsCommonStockCash
    Étiquette Dividends, Common Stock, Cash
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 153 000 000
  242. Description Amount of securities, mortgage loans, or other financial instruments pledged as collateral for deposits.
    Fait DepositLiabilitiesCollateralIssuedFinancialInstruments
    Cadre CY2018Q2I
    Étiquette Deposit Liabilities, Collateral Issued, Financial Instruments
    Taxonomie us-gaap
    Unité USD
    Val 2 263 000 000
  243. Description Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fait AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
    Cadre CY2018Q2I
    Étiquette Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
    Taxonomie us-gaap
    Unité USD
    Val 13 581 000 000
  244. Description Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.
    Fait LossContingencyEstimateOfPossibleLoss
    Cadre CY2018Q2I
    Étiquette Loss Contingency, Estimate of Possible Loss
    Taxonomie us-gaap
    Unité USD
    Val 14 000 000
  245. Description Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.
    Fait DerivativeAssetFairValueGrossLiability
    Cadre CY2018Q2I
    Étiquette Derivative Asset, Fair Value, Gross Liability
    Taxonomie us-gaap
    Unité USD
    Val 11 231 000 000
  246. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fait StockholdersEquity
    Étiquette Stockholders' Equity Attributable to Parent
    Taxonomie us-gaap
    Unité USD
    Val 22 571 000 000
  247. Description Fair value of the collateral, or portion thereof, that has been re-pledged, delivered, or otherwise used.
    Fait FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged
    Cadre CY2018Q2I
    Étiquette Fair Value of Securities Received as Collateral that Have Been Resold or Repledged
    Taxonomie us-gaap
    Unité USD
    Val 6 680 000 000
  248. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.
    Fait HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 33 520 000 000
  249. Description Amount of general expenses not normally included in Other Operating Costs and Expenses.
    Fait OtherGeneralExpense
    Étiquette Other General Expense
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 183 000 000
  250. Description Amount of general expenses not normally included in Other Operating Costs and Expenses.
    Fait OtherGeneralExpense
    Étiquette Other General Expense
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 89 000 000
  251. Description Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fait CommonStockValue
    Cadre CY2018Q2I
    Étiquette Common Stock, Value, Issued
    Taxonomie us-gaap
    Unité USD
    Val 504 000 000
  252. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fait HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
    Taxonomie us-gaap
    Unité USD
    Val 3 853 000 000
  253. Description Amount of increase (decrease) in receivables classified as other.
    Fait IncreaseDecreaseInOtherReceivables
    Étiquette Increase (Decrease) in Other Receivables
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -13 000 000
  254. Description Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 68 000 000
  255. Description Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fait AvailableForSaleSecuritiesDebtSecurities
    Cadre CY2018Q2I
    Étiquette Debt Securities, Available-for-sale
    Taxonomie us-gaap
    Unité USD
    Val 47 348 000 000
  256. Description This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security because of the sale of impaired securities during the period.
    Fait OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
    Étiquette Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  257. Description Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.
    Fait IncomeTaxesReceivable
    Cadre CY2018Q2I
    Étiquette Income Taxes Receivable, Current
    Taxonomie us-gaap
    Unité USD
    Val 44 000 000
  258. Description Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
    Fait NetCashProvidedByUsedInOperatingActivities
    Étiquette Net Cash Provided by (Used in) Operating Activities
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 3 402 000 000
  259. Description Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fait FiniteLivedIntangibleAssetsGross
    Cadre CY2018Q2I
    Étiquette Finite-Lived Intangible Assets, Gross
    Taxonomie us-gaap
    Unité USD
    Val 3 450 000 000
  260. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fait HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
    Cadre CY2018Q2I
    Étiquette Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
    Taxonomie us-gaap
    Unité USD
    Val 1 776 000 000
  261. Description Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.
    Fait AccumulatedOtherComprehensiveIncomeLossNetOfTax
    Cadre CY2018Q2I
    Étiquette Accumulated Other Comprehensive Income (Loss), Net of Tax
    Taxonomie us-gaap
    Unité USD
    Val -1 488 000 000
  262. Description Amount, before effects of master netting arrangements, of securities loaned to entities in exchange for collateral. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fait SecuritiesLoanedGross
    Cadre CY2018Q2I
    Étiquette Securities Loaned, Gross
    Taxonomie us-gaap
    Unité USD
    Val 15 964 000 000
  263. Description Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).
    Fait Revenues
    Étiquette Revenues
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 6 045 000 000
  264. Description Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).
    Fait Revenues
    Étiquette Revenues
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 3 026 000 000
  265. Description Amount of foreign interest-bearing deposits held by the entity.
    Fait InterestBearingDepositLiabilitiesForeign
    Cadre CY2018Q2I
    Étiquette Interest-bearing Deposit Liabilities, Foreign
    Taxonomie us-gaap
    Unité USD
    Val 76 940 000 000
  266. Description Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 78 000 000
  267. Description Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 53 000 000
  268. Description Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.
    Fait OccupancyNet
    Étiquette Occupancy, Net
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 244 000 000
  269. Description Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.
    Fait OccupancyNet
    Étiquette Occupancy, Net
    Commencer 2018-04-01
    Taxonomie us-gaap
    Unité USD
    Val 124 000 000
  270. Description Amount of cash outflow to acquire investments classified as other.
    Fait PaymentsToAcquireOtherInvestments
    Étiquette Payments to Acquire Other Investments
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 173 000 000
  271. Description Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.
    Fait NumberOfReportableSegments
    Étiquette Number of Reportable Segments
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité segment
    Val 2
  272. Description Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.
    Fait NumberOfReportableSegments
    Étiquette Number of Reportable Segments
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité line_of_business
    Val 2
  273. Description Amount of unrealized gain (loss) on investment in marketable security, excluding other-than-temporary impairment (OTTI).
    Fait MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments
    Étiquette Marketable Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment Loss
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 404 000 000
  274. Description Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets, securities purchased under agreements to resell and securities borrowed.
    Fait DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnCash
    Cadre CY2018Q2I
    Étiquette Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Collateral, Obligation to Return Cash
    Taxonomie us-gaap
    Unité USD
    Val 26 163 000 000
  275. Description The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.
    Fait NoninterestBearingDepositLiabilities
    Cadre CY2018Q2I
    Étiquette Noninterest-bearing Deposit Liabilities
    Taxonomie us-gaap
    Unité USD
    Val 52 316 000 000
  276. Description Amount, after effects of master netting arrangements, of derivative liabilities, securities sold under agreements to repurchase and securities loaned offset against a right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fait DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral
    Cadre CY2018Q2I
    Étiquette Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Amount Offset Against Collateral
    Taxonomie us-gaap
    Unité USD
    Val 6 466 000 000
  277. Description The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
    Fait CommonStockSharesAuthorized
    Cadre CY2018Q2I
    Étiquette Common Stock, Shares Authorized
    Taxonomie us-gaap
    Unité shares
    Val 750 000 000
  278. Description Amount of increase (decrease) in operating assets classified as other.
    Fait IncreaseDecreaseInOtherOperatingAssets
    Étiquette Increase (Decrease) in Other Operating Assets
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val 276 000 000
  279. Description The net cash inflow or outflow in Interest-bearing Deposits by banks in other financial institutions for relatively short periods of time including, for example, certificates of deposits.
    Fait ProceedsFromPaymentsForInInterestBearingDepositsInBanks
    Étiquette Proceeds from (Payments for) in Interest-bearing Deposits in Banks
    Commencer 2018-01-01
    Taxonomie us-gaap
    Unité USD
    Val -9 139 000 000
  280. Description Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fait FiniteLivedIntangibleAssetsAccumulatedAmortization
    Cadre CY2018Q2I
    Étiquette Finite-Lived Intangible Assets, Accumulated Amortization
    Taxonomie us-gaap
    Unité USD
    Val 1 950 000 000
  281. Description Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).
    Fait AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
    Cadre CY2018Q2I
    Étiquette Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax
    Taxonomie us-gaap
    Unité USD
    Val 156 000 000
  282. Description Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.
    Fait DerivativeNotionalAmount
    Cadre CY2018Q2I
    Étiquette Derivative, Notional Amount
    Taxonomie invest
    Unité USD
    Val 11 316 000 000

Faits se terminant le 2018-03-31

  1. Description Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
    Taxonomie us-gaap
    Unité USD
    Val 1 316 000 000
  2. Description Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.
    Fait RestructuringReserve
    Étiquette Restructuring Reserve
    Taxonomie us-gaap
    Unité USD
    Val 175 000 000
  3. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fait FinancingReceivableAllowanceForCreditLosses
    Étiquette Financing Receivable, Allowance for Credit Loss
    Taxonomie us-gaap
    Unité USD
    Val 54 000 000

Faits se terminant le 2017-12-31

  1. Description The amount of securities on deposit with clearing organizations and other entities which provide services necessary to operations of the Company. This item would include, for instance, securities advanced as refundable collateral for securities borrowed.
    Fait DepositsWithClearingOrganizationsAndOthersSecurities
    Étiquette Deposits with Clearing Organizations and Others, Securities
    Taxonomie us-gaap
    Unité USD
    Val 120 000 000
  2. Description Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.
    Fait AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
    Étiquette Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax
    Taxonomie us-gaap
    Unité USD
    Val -815 000 000
  3. Description Amount of asset associated with derivative liabilities, securities sold under agreements to repurchase and securities loaned.
    Fait DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset
    Étiquette Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Asset
    Taxonomie us-gaap
    Unité USD
    Val 53 404 000 000
  4. Description Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
    Taxonomie us-gaap
    Unité USD
    Val 2 127 000 000
  5. Description Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fait SecuritiesSoldUnderAgreementsToRepurchase
    Étiquette Securities Sold under Agreements to Repurchase
    Taxonomie us-gaap
    Unité USD
    Val 2 842 000 000
  6. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fait Goodwill
    Étiquette Goodwill
    Taxonomie us-gaap
    Unité USD
    Val 6 022 000 000
  7. Description Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fait DerivativeFairValueOfDerivativeAsset
    Étiquette Derivative Asset, Fair Value, Gross Asset
    Taxonomie us-gaap
    Unité USD
    Val 11 606 000 000
  8. Description Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).
    Fait HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
    Étiquette Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain
    Taxonomie us-gaap
    Unité USD
    Val 186 000 000
  9. Description Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months.
    Fait AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
    Étiquette Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
    Taxonomie us-gaap
    Unité USD
    Val 131 000 000
  10. Description Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fait GoodwillTranslationAndPurchaseAccountingAdjustments
    Étiquette Goodwill, Translation and Purchase Accounting Adjustments
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 200 000 000
  11. Description Ratio of minimum total risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.
    Fait CapitalRequiredForCapitalAdequacyToRiskWeightedAssets
    Étiquette Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum
    Taxonomie us-gaap
    Unité pure
    Val 0,1
  12. Description Ratio of minimum Tier 1 risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.
    Fait TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
    Étiquette Banking Regulation, Tier One Risk-Based Capital Ratio, Capital Adequacy, Minimum
    Taxonomie us-gaap
    Unité pure
    Val 0,08
  13. Description Number of financing receivables that have been modified by troubled debt restructurings.
    Fait FinancingReceivableModificationsNumberOfContracts2
    Étiquette Financing Receivable, Modifications, Number of Contracts
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité loan
    Val 0
  14. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for 12 months or longer.
    Fait HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
    Étiquette Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 9 373 000 000
  15. Description Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.
    Fait TreasuryStockShares
    Étiquette Treasury Stock, Shares
    Taxonomie us-gaap
    Unité shares
    Val 136 229 784
  16. Description Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.
    Fait DerivativeLiabilityFairValueGrossAsset
    Étiquette Derivative Liability, Fair Value, Gross Asset
    Taxonomie us-gaap
    Unité USD
    Val 5 970 000 000
  17. Description The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fait AmortizationOfIntangibleAssets
    Étiquette Amortization of Intangible Assets
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 214 000 000
  18. Description Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).
    Fait TradingSecurities
    Étiquette Debt Securities, Trading, and Equity Securities, FV-NI
    Taxonomie us-gaap
    Unité USD
    Val 1 093 000 000
  19. Description Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.
    Fait RestructuringReserve
    Étiquette Restructuring Reserve
    Taxonomie us-gaap
    Unité USD
    Val 201 000 000
  20. Description Sum of the carrying amounts as of the date of the latest financial statement presented of securities which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.
    Fait PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged
    Étiquette Pledged Financial Instruments, Not Separately Reported, Securities
    Taxonomie us-gaap
    Unité USD
    Val 48 000 000 000
  21. Description Fair value, after effects of master netting arrangements, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.
    Fait DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
    Étiquette Derivative Asset, Fair Value, Amount Offset Against Collateral
    Taxonomie us-gaap
    Unité USD
    Val 3 889 000 000
  22. Description Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fait FiniteLivedIntangibleAssetsNet
    Étiquette Finite-Lived Intangible Assets, Net
    Taxonomie us-gaap
    Unité USD
    Val 1 613 000 000
  23. Description Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.
    Fait StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
    Étiquette Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
    Taxonomie us-gaap
    Unité USD
    Val 22 317 000 000
  24. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fait FinancingReceivableAllowanceForCreditLosses
    Étiquette Financing Receivable, Allowance for Credit Loss
    Taxonomie us-gaap
    Unité USD
    Val 54 000 000
  25. Description Amount, after effects of master netting arrangements, of derivative assets, securities purchased under agreements to resell and securities borrowed offset against an obligation to return collateral under a master netting arrangement. Includes assets not subject to a master netting arrangement and not elected to be offset.
    Fait DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral
    Étiquette Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Amount Offset Against Collateral
    Taxonomie us-gaap
    Unité USD
    Val 3 889 000 000
  26. Description Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fait PropertyPlantAndEquipmentNet
    Étiquette Property, Plant and Equipment, Net
    Taxonomie us-gaap
    Unité USD
    Val 2 186 000 000
  27. Description Amount, before effects of master netting arrangements, of derivative liabilities, securities sold under agreements to repurchase and securities loaned. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fait DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross
    Étiquette Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Gross
    Taxonomie us-gaap
    Unité USD
    Val 65 979 000 000
  28. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.
    Fait HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
    Étiquette Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss
    Taxonomie us-gaap
    Unité USD
    Val 389 000 000
  29. Description Amount of unrecognized tax benefits.
    Fait UnrecognizedTaxBenefits
    Étiquette Unrecognized Tax Benefits
    Taxonomie us-gaap
    Unité USD
    Val 94 000 000
  30. Description Amount of assets classified as other.
    Fait OtherAssets
    Étiquette Other Assets
    Taxonomie us-gaap
    Unité USD
    Val 31 018 000 000
  31. Description This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.
    Fait AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
    Étiquette Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 24 485 000 000
  32. Description For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.
    Fait InterestBearingDepositsInBanks
    Étiquette Interest-bearing Deposits in Banks and Other Financial Institutions
    Taxonomie us-gaap
    Unité USD
    Val 67 227 000 000
  33. Description Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.
    Fait LoansAndLeasesReceivableNetReportedAmount
    Étiquette Loans and Leases Receivable, Net Amount
    Taxonomie us-gaap
    Unité USD
    Val 23 240 000 000
  34. Description Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities, securities sold under agreements to repurchase and securities loaned.
    Fait DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash
    Étiquette Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Collateral, Right to Reclaim Cash
    Taxonomie us-gaap
    Unité USD
    Val 4 749 000 000
  35. Description Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fait PreferredStockNoParValue
    Étiquette Preferred Stock, No Par Value
    Taxonomie us-gaap
    Unité USD/shares
    Val 0
  36. Description Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.
    Fait LoansPledgedAsCollateral
    Étiquette Loans Pledged as Collateral
    Taxonomie us-gaap
    Unité USD
    Val 1 900 000 000
  37. Description Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.
    Fait AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
    Étiquette Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
    Taxonomie us-gaap
    Unité USD
    Val 137 000 000
  38. Description The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.
    Fait VariableInterestEntityConsolidatedCarryingAmountAssets
    Étiquette Variable Interest Entity, Consolidated, Carrying Amount, Assets (Deprecated 2020-01-31)
    Taxonomie us-gaap
    Unité USD
    Val 1 080 000 000
  39. Description Face amount or stated value per share of common stock.
    Fait CommonStockParOrStatedValuePerShare
    Étiquette Common Stock, Par or Stated Value Per Share
    Taxonomie us-gaap
    Unité USD/shares
    Val 1
  40. Description Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.
    Fait AccruedInvestmentIncomeReceivable
    Étiquette Accrued Investment Income Receivable
    Taxonomie us-gaap
    Unité USD
    Val 3 099 000 000
  41. Description Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
    Fait AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
    Étiquette Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomie us-gaap
    Unité USD
    Val 3 881 000 000
  42. Description Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.
    Fait FairValueAssetsLevel1ToLevel2TransfersAmount
    Étiquette Fair Value, Assets, Level 1 to Level 2 Transfers, Amount
    Taxonomie us-gaap
    Unité USD
    Val 0
  43. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.
    Fait HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
    Étiquette Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
    Taxonomie us-gaap
    Unité USD
    Val 239 000 000
  44. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fait LiabilitiesAndStockholdersEquity
    Étiquette Liabilities and Equity
    Taxonomie us-gaap
    Unité USD
    Val 238 425 000 000
  45. Description Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.
    Fait AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
    Étiquette Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax
    Taxonomie us-gaap
    Unité USD
    Val -56 000 000
  46. Description Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.
    Fait AccruedLiabilitiesCurrentAndNoncurrent
    Étiquette Accrued Liabilities
    Taxonomie us-gaap
    Unité USD
    Val 15 606 000 000
  47. Description Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer.
    Fait OtherShortTermBorrowings
    Étiquette Other Short-term Borrowings
    Taxonomie us-gaap
    Unité USD
    Val 1 144 000 000
  48. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for less than 12 months.
    Fait HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
    Étiquette Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
    Taxonomie us-gaap
    Unité USD
    Val 150 000 000
  49. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fait RetainedEarningsAccumulatedDeficit
    Étiquette Retained Earnings (Accumulated Deficit)
    Taxonomie us-gaap
    Unité USD
    Val 18 856 000 000
  50. Description Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fait GoodwillWrittenOffRelatedToSaleOfBusinessUnit
    Étiquette Goodwill, Written off Related to Sale of Business Unit
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 9 000 000
  51. Description This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.
    Fait EquityMethodInvestments
    Étiquette Equity Method Investments
    Taxonomie us-gaap
    Unité USD
    Val 2 259 000 000
  52. Description Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.
    Fait AvailableForSaleSecurities
    Étiquette Available-for-sale Securities
    Taxonomie us-gaap
    Unité USD
    Val 57 121 000 000
  53. Description Amount of other miscellaneous assets.
    Fait OtherAssetsMiscellaneous
    Étiquette Other Assets, Miscellaneous
    Taxonomie us-gaap
    Unité USD
    Val 397 000 000
  54. Description Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
    Fait DeferredTaxAssetsNet
    Étiquette Deferred Tax Assets, Net of Valuation Allowance
    Taxonomie us-gaap
    Unité USD
    Val 113 000 000
  55. Description This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.
    Fait AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
    Étiquette Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 18 094 000 000
  56. Description Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.
    Fait AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
    Étiquette Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
    Taxonomie us-gaap
    Unité USD
    Val 268 000 000
  57. Description Amount, after tax, of accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fait AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
    Étiquette AOCI, Debt Securities, Available-for-sale, Adjustment, after Tax
    Taxonomie us-gaap
    Unité USD
    Val 148 000 000
  58. Description Fair value, after effects of master netting arrangements, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against the right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fait DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
    Étiquette Derivative Liability, Fair Value, Amount Offset Against Collateral
    Taxonomie us-gaap
    Unité USD
    Val 5 432 000 000
  59. Description Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.
    Fait PrepaidExpenseCurrentAndNoncurrent
    Étiquette Prepaid Expense
    Taxonomie us-gaap
    Unité USD
    Val 364 000 000
  60. Description Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.
    Fait AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
    Étiquette Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax
    Taxonomie us-gaap
    Unité USD
    Val 437 000 000
  61. Description Total amount of interest-bearing domestic deposit liabilities, which may include brokered, retail, demand, checking, notice of withdrawal, money market and other interest-bearing deposits.
    Fait InterestBearingDepositLiabilitiesDomestic
    Étiquette Interest-bearing Deposit Liabilities, Domestic
    Taxonomie us-gaap
    Unité USD
    Val 50 139 000 000
  62. Description Amount, after the effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes purchases of participations in pools of securities that are subject to a resale agreement, assets not subject to a master netting arrangement and not elected to be offset.
    Fait SecuritiesPurchasedUnderAgreementsToResell
    Étiquette Securities Purchased under Agreements to Resell
    Taxonomie us-gaap
    Unité USD
    Val 3 241 000 000
  63. Description The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.
    Fait PreferredStockSharesAuthorized
    Étiquette Preferred Stock, Shares Authorized
    Taxonomie us-gaap
    Unité shares
    Val 3 500 000
  64. Description Amount of long-term debt and lease obligation, including portion classified as current.
    Fait LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
    Étiquette Long-term Debt and Lease Obligation, Including Current Maturities
    Taxonomie us-gaap
    Unité USD
    Val 11 620 000 000
  65. Description Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.
    Fait GoodwillAcquiredDuringPeriod
    Étiquette Goodwill, Acquired During Period
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 17 000 000
  66. Description Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.
    Fait FinitelivedIntangibleAssetsAcquired1
    Étiquette Finite-lived Intangible Assets Acquired
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 16 000 000
  67. Description Amount, before effects of master netting arrangements, of derivative assets, securities purchased under agreements to resell and securities borrowed. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fait DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross
    Étiquette Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Gross
    Taxonomie us-gaap
    Unité USD
    Val 81 685 000 000
  68. Description Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.
    Fait LoansAndLeasesReceivableAllowance
    Étiquette Loans and Leases Receivable, Allowance
    Taxonomie us-gaap
    Unité USD
    Val 54 000 000
  69. Description Amount of transfers of liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.
    Fait FairValueLiabilitiesLevel1ToLevel2TransfersAmount
    Étiquette Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount
    Taxonomie us-gaap
    Unité USD
    Val 0
  70. Description Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.
    Fait AdditionalPaidInCapital
    Étiquette Additional Paid in Capital
    Taxonomie us-gaap
    Unité USD
    Val 9 799 000 000
  71. Description Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position.
    Fait AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
    Étiquette Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss
    Taxonomie us-gaap
    Unité USD
    Val 268 000 000
  72. Description Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fait DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
    Étiquette Derivative Liability, Fair Value, Amount Not Offset Against Collateral
    Taxonomie us-gaap
    Unité USD
    Val 5 882 000 000
  73. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity).
    Fait HeldToMaturitySecuritiesFairValue
    Étiquette Debt Securities, Held-to-maturity, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 40 255 000 000
  74. Description The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.
    Fait Deposits
    Étiquette Deposits
    Taxonomie us-gaap
    Unité USD
    Val 184 896 000 000
  75. Description Fair value of collateral permitted, by contact or custom, to be sold or re-pledged.
    Fait FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged
    Étiquette Fair Value of Securities Received as Collateral that Can be Resold or Repledged
    Taxonomie us-gaap
    Unité USD
    Val 2 470 000 000
  76. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).
    Fait HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
    Étiquette Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss
    Taxonomie us-gaap
    Unité USD
    Val 389 000 000
  77. Description Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.
    Fait LoansAndLeasesReceivableGrossCarryingAmount
    Étiquette Loans and Leases Receivable, Gross
    Taxonomie us-gaap
    Unité USD
    Val 23 294 000 000
  78. Description Amount of liability associated with derivative assets, securities purchased under agreements to resell and securities borrowed.
    Fait DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability
    Étiquette Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Liability
    Taxonomie us-gaap
    Unité USD
    Val 55 027 000 000
  79. Description Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.
    Fait CommonStockSharesIssued
    Étiquette Common Stock, Shares, Issued
    Taxonomie us-gaap
    Unité shares
    Val 503 879 642
  80. Description Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fait DerivativeFairValueOfDerivativeLiability
    Étiquette Derivative Liability, Fair Value, Gross Liability
    Taxonomie us-gaap
    Unité USD
    Val 11 852 000 000
  81. Description Amount of investment in debt security measured at amortized cost (held-to-maturity).
    Fait HeldToMaturitySecurities
    Étiquette Debt Securities, Held-to-maturity
    Taxonomie us-gaap
    Unité USD
    Val 40 458 000 000
  82. Description Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.
    Fait Liabilities
    Étiquette Liabilities
    Taxonomie us-gaap
    Unité USD
    Val 216 108 000 000
  83. Description Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
    Fait Assets
    Étiquette Assets
    Taxonomie us-gaap
    Unité USD
    Val 238 425 000 000
  84. Description Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.
    Fait FairValueAssetsLevel2ToLevel1TransfersAmount
    Étiquette Fair Value, Assets, Level 2 to Level 1 Transfers, Amount
    Taxonomie us-gaap
    Unité USD
    Val 9 000 000
  85. Description Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fait FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss
    Étiquette Finite Lived Intangible Assets, Foreign Currency Translation Gain (Loss)
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 72 000 000
  86. Description Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fait DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
    Étiquette Derivative Asset, Fair Value, Amount Not Offset Against Collateral
    Taxonomie us-gaap
    Unité USD
    Val 4 013 000 000
  87. Description For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.
    Fait CashAndDueFromBanks
    Étiquette Cash and Due from Banks
    Taxonomie us-gaap
    Unité USD
    Val 2 107 000 000
  88. Description Amount of transfers of liabilities measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.
    Fait FairValueLiabilitiesLevel2ToLevel1TransfersAmount
    Étiquette Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount
    Taxonomie us-gaap
    Unité USD
    Val 0
  89. Description The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.
    Fait TreasuryStockValue
    Étiquette Treasury Stock, Value
    Taxonomie us-gaap
    Unité USD
    Val 9 029 000 000
  90. Description Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.
    Fait AccountsReceivableNet
    Étiquette Accounts Receivable, after Allowance for Credit Loss
    Taxonomie us-gaap
    Unité USD
    Val 348 000 000
  91. Description This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.
    Fait AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
    Étiquette Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 6 391 000 000
  92. Description Ratio of minimum Tier 1 leverage capital to average assets required for capital adequacy as defined by regulatory framework.
    Fait TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
    Étiquette Banking Regulation, Tier One Leverage Capital Ratio, Capital Adequacy, Minimum
    Taxonomie us-gaap
    Unité pure
    Val 0,04
  93. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for less than 12 months.
    Fait HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
    Étiquette Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 21 664 000 000
  94. Description The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.
    Fait BankOwnedLifeInsurance
    Étiquette Bank Owned Life Insurance
    Taxonomie us-gaap
    Unité USD
    Val 3 242 000 000
  95. Description This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.
    Fait AvailableForSaleSecuritiesAmortizedCost
    Étiquette Available-for-sale Securities, Amortized Cost Basis
    Taxonomie us-gaap
    Unité USD
    Val 56 952 000 000
  96. Description Amount of securities, mortgage loans, or other financial instruments pledged as collateral for deposits.
    Fait DepositLiabilitiesCollateralIssuedFinancialInstruments
    Étiquette Deposit Liabilities, Collateral Issued, Financial Instruments
    Taxonomie us-gaap
    Unité USD
    Val 473 000 000
  97. Description Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.
    Fait DerivativeAssetFairValueGrossLiability
    Étiquette Derivative Asset, Fair Value, Gross Liability
    Taxonomie us-gaap
    Unité USD
    Val 7 593 000 000
  98. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fait StockholdersEquity
    Étiquette Stockholders' Equity Attributable to Parent
    Taxonomie us-gaap
    Unité USD
    Val 22 317 000 000
  99. Description Fair value of the collateral, or portion thereof, that has been re-pledged, delivered, or otherwise used.
    Fait FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged
    Étiquette Fair Value of Securities Received as Collateral that Have Been Resold or Repledged
    Taxonomie us-gaap
    Unité USD
    Val 15 000 000
  100. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.
    Fait HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
    Étiquette Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value
    Taxonomie us-gaap
    Unité USD
    Val 31 037 000 000
  101. Description Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fait CommonStockValue
    Étiquette Common Stock, Value, Issued
    Taxonomie us-gaap
    Unité USD
    Val 504 000 000
  102. Description Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.
    Fait IncomeTaxesReceivable
    Étiquette Income Taxes Receivable, Current
    Taxonomie us-gaap
    Unité USD
    Val 97 000 000
  103. Description Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fait FiniteLivedIntangibleAssetsGross
    Étiquette Finite-Lived Intangible Assets, Gross
    Taxonomie us-gaap
    Unité USD
    Val 3 497 000 000
  104. Description Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.
    Fait AccumulatedOtherComprehensiveIncomeLossNetOfTax
    Étiquette Accumulated Other Comprehensive Income (Loss), Net of Tax
    Taxonomie us-gaap
    Unité USD
    Val -1 009 000 000
  105. Description Amount of foreign interest-bearing deposits held by the entity.
    Fait InterestBearingDepositLiabilitiesForeign
    Étiquette Interest-bearing Deposit Liabilities, Foreign
    Taxonomie us-gaap
    Unité USD
    Val 87 582 000 000
  106. Description Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets, securities purchased under agreements to resell and securities borrowed.
    Fait DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnCash
    Étiquette Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Collateral, Obligation to Return Cash
    Taxonomie us-gaap
    Unité USD
    Val 22 769 000 000
  107. Description The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.
    Fait NoninterestBearingDepositLiabilities
    Étiquette Noninterest-bearing Deposit Liabilities
    Taxonomie us-gaap
    Unité USD
    Val 47 175 000 000
  108. Description Amount, after effects of master netting arrangements, of derivative liabilities, securities sold under agreements to repurchase and securities loaned offset against a right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fait DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral
    Étiquette Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Amount Offset Against Collateral
    Taxonomie us-gaap
    Unité USD
    Val 7 826 000 000
  109. Description The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
    Fait CommonStockSharesAuthorized
    Étiquette Common Stock, Shares Authorized
    Taxonomie us-gaap
    Unité shares
    Val 750 000 000
  110. Description Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fait FiniteLivedIntangibleAssetsAccumulatedAmortization
    Étiquette Finite-Lived Intangible Assets, Accumulated Amortization
    Taxonomie us-gaap
    Unité USD
    Val 1 884 000 000
  111. Description Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).
    Fait AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
    Étiquette Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax
    Taxonomie us-gaap
    Unité USD
    Val 170 000 000
  112. Description Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.
    Fait DerivativeNotionalAmount
    Étiquette Derivative, Notional Amount
    Taxonomie invest
    Unité USD
    Val 11 047 000 000

Faits se terminant le 2017-06-30

  1. Description Amount of cash (inflow) outflow from investing activities classified as other.
    Fait PaymentsForProceedsFromOtherInvestingActivities
    Étiquette Payments for (Proceeds from) Other Investing Activities
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val -36 000 000
  2. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fait EarningsPerShareDiluted
    Étiquette Earnings Per Share, Diluted
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD/shares
    Val 2,69
  3. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fait EarningsPerShareDiluted
    Cadre CY2017Q2
    Étiquette Earnings Per Share, Diluted
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD/shares
    Val 1,53
  4. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fait IncomeTaxExpenseBenefit
    Étiquette Income Tax Expense (Benefit)
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 238 000 000
  5. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fait IncomeTaxExpenseBenefit
    Cadre CY2017Q2
    Étiquette Income Tax Expense (Benefit)
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 156 000 000
  6. Description Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
    Taxonomie us-gaap
    Unité USD
    Val 1 350 000 000
  7. Description The net amount of operating interest income (expense).
    Fait InterestIncomeExpenseNet
    Étiquette Interest Income (Expense), Net
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 085 000 000
  8. Description The net amount of operating interest income (expense).
    Fait InterestIncomeExpenseNet
    Cadre CY2017Q2
    Étiquette Interest Income (Expense), Net
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 575 000 000
  9. Description The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees.
    Fait FloorBrokerageExchangeAndClearanceFees
    Étiquette Floor Brokerage, Exchange and Clearance Fees
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 404 000 000
  10. Description The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees.
    Fait FloorBrokerageExchangeAndClearanceFees
    Cadre CY2017Q2
    Étiquette Floor Brokerage, Exchange and Clearance Fees
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 207 000 000
  11. Description Amount after tax of reclassification adjustments of other comprehensive income (loss).
    Fait ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
    Étiquette Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 15 000 000
  12. Description Amount after tax of reclassification adjustments of other comprehensive income (loss).
    Fait ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
    Cadre CY2017Q2
    Étiquette Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val -3 000 000
  13. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fait OtherComprehensiveIncomeLossNetOfTax
    Étiquette Other Comprehensive Income (Loss), Net of Tax
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 770 000 000
  14. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fait OtherComprehensiveIncomeLossNetOfTax
    Cadre CY2017Q2
    Étiquette Other Comprehensive Income (Loss), Net of Tax
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 535 000 000
  15. Description Amount of cash outflow through purchase of long-term held-to-maturity securities.
    Fait PaymentsToAcquireHeldToMaturitySecurities
    Étiquette Payments to Acquire Held-to-maturity Securities
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 2 636 000 000
  16. Description Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
    Fait NetCashProvidedByUsedInFinancingActivities
    Étiquette Net Cash Provided by (Used in) Financing Activities
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val -7 173 000 000
  17. Description The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.
    Fait ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
    Étiquette Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 621 000 000
  18. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fait DeferredIncomeTaxExpenseBenefit
    Étiquette Deferred Income Tax Expense (Benefit)
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val -56 000 000
  19. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).
    Fait DividendsPreferredStock
    Étiquette Dividends, Preferred Stock
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 91 000 000
  20. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).
    Fait DividendsPreferredStock
    Cadre CY2017Q2
    Étiquette Dividends, Preferred Stock
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 36 000 000
  21. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fait NetIncomeLossAvailableToCommonStockholdersBasic
    Étiquette Net Income (Loss) Available to Common Stockholders, Basic
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 030 000 000
  22. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fait NetIncomeLossAvailableToCommonStockholdersBasic
    Cadre CY2017Q2
    Étiquette Net Income (Loss) Available to Common Stockholders, Basic
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 584 000 000
  23. Description Amount of increase (decrease) in deposit liabilities classified as other.
    Fait IncreaseDecreaseInOtherDeposits
    Étiquette Increase (Decrease) in Other Deposits
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 11 320 000 000
  24. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fait PaymentsToAcquirePropertyPlantAndEquipment
    Étiquette Payments to Acquire Property, Plant, and Equipment
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 325 000 000
  25. Description The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fait AmortizationOfIntangibleAssets
    Étiquette Amortization of Intangible Assets
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 106 000 000
  26. Description The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fait AmortizationOfIntangibleAssets
    Cadre CY2017Q2
    Étiquette Amortization of Intangible Assets
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 54 000 000
  27. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fait ComprehensiveIncomeNetOfTax
    Étiquette Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 892 000 000
  28. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fait ComprehensiveIncomeNetOfTax
    Cadre CY2017Q2
    Étiquette Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 1 155 000 000
  29. Description The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting.
    Fait ProceedsFromDivestitureOfInterestInJointVenture
    Étiquette Proceeds from Divestiture of Interest in Joint Venture
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 172 000 000
  30. Description Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.
    Fait OtherNoncashIncomeExpense
    Étiquette Other Noncash Income (Expense)
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val -307 000 000
  31. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fait FinancingReceivableAllowanceForCreditLosses
    Étiquette Financing Receivable, Allowance for Credit Loss
    Taxonomie us-gaap
    Unité USD
    Val 54 000 000
  32. Description Amount of revenue from providing investment advisory, asset management and administrative services, including, but not limited to, distribution and shareholder services, accounting, tax, legal, regulatory filing, share registration, and shareholder correspondence activities.
    Fait InvestmentAdvisoryManagementAndAdministrativeFees
    Étiquette Investment Advisory, Management and Administrative Fees (Deprecated 2018-01-31)
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 779 000 000
  33. Description Amount of revenue from providing investment advisory, asset management and administrative services, including, but not limited to, distribution and shareholder services, accounting, tax, legal, regulatory filing, share registration, and shareholder correspondence activities.
    Fait InvestmentAdvisoryManagementAndAdministrativeFees
    Cadre CY2017Q2
    Étiquette Investment Advisory, Management and Administrative Fees (Deprecated 2018-01-31)
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 397 000 000
  34. Description Aggregate amount of interest paid or due on all long-term debt.
    Fait InterestExpenseLongTermDebt
    Étiquette Interest Expense, Long-term Debt
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 148 000 000
  35. Description Aggregate amount of interest paid or due on all long-term debt.
    Fait InterestExpenseLongTermDebt
    Cadre CY2017Q2
    Étiquette Interest Expense, Long-term Debt
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 75 000 000
  36. Description The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.
    Fait AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds
    Étiquette Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds (Deprecated 2018-01-31)
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val -40 000 000
  37. Description The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.
    Fait AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds
    Cadre CY2017Q2
    Étiquette Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds (Deprecated 2018-01-31)
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  38. Description Aggregate dividends declared during the period for each share of common stock outstanding.
    Fait CommonStockDividendsPerShareDeclared
    Étiquette Common Stock, Dividends, Per Share, Declared
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD/shares
    Val 0,76
  39. Description Aggregate dividends declared during the period for each share of common stock outstanding.
    Fait CommonStockDividendsPerShareDeclared
    Cadre CY2017Q2
    Étiquette Common Stock, Dividends, Per Share, Declared
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD/shares
    Val 0,38
  40. Description The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.
    Fait ImpairmentOfInvestments
    Étiquette Other than Temporary Impairment Losses, Investments
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 000 000
  41. Description The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.
    Fait ImpairmentOfInvestments
    Cadre CY2017Q2
    Étiquette Other than Temporary Impairment Losses, Investments
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 1 000 000
  42. Description This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.
    Fait StockholdersEquityOther
    Étiquette Stockholders' Equity, Other
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 2 000 000
  43. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fait LaborAndRelatedExpense
    Étiquette Labor and Related Expense
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 2 237 000 000
  44. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fait LaborAndRelatedExpense
    Cadre CY2017Q2
    Étiquette Labor and Related Expense
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 1 071 000 000
  45. Description The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.
    Fait ProceedsFromSaleOfAvailableForSaleSecurities
    Étiquette Proceeds from Sale of Available-for-sale Securities
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 4 354 000 000
  46. Description Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fait OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
    Étiquette Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 526 000 000
  47. Description Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fait OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
    Cadre CY2017Q2
    Étiquette Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 435 000 000
  48. Description Gross expenses on securities sold coupled with an agreement to repurchase the same from the same counterparty at a fixed or determinable price within a fixed or variable time period.
    Fait InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
    Étiquette Interest Expense, Securities Sold under Agreements to Repurchase
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 000 000
  49. Description Gross expenses on securities sold coupled with an agreement to repurchase the same from the same counterparty at a fixed or determinable price within a fixed or variable time period.
    Fait InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
    Cadre CY2017Q2
    Étiquette Interest Expense, Securities Sold under Agreements to Repurchase
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  50. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fait NoninterestIncome
    Étiquette Noninterest Income
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 4 433 000 000
  51. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fait NoninterestIncome
    Cadre CY2017Q2
    Étiquette Noninterest Income
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 2 235 000 000
  52. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fait AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Étiquette Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité shares
    Val 527 000
  53. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fait AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Cadre CY2017Q2
    Étiquette Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité shares
    Val 293 000
  54. Description Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).
    Fait MarketableSecuritiesGainLoss
    Étiquette Marketable Securities, Gain (Loss)
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val -40 000 000
  55. Description Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).
    Fait MarketableSecuritiesGainLoss
    Cadre CY2017Q2
    Étiquette Marketable Securities, Gain (Loss)
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  56. Description Net cash inflow (outflow) of time deposits.
    Fait IncreaseDecreaseInTimeDeposits
    Étiquette Increase (Decrease) in Time Deposits
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val -17 067 000 000
  57. Description Amount of fee and commission revenue classified as other.
    Fait FeesAndCommissionsOther
    Étiquette Fees and Commissions, Other (Deprecated 2018-01-31)
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 143 000 000
  58. Description Amount of fee and commission revenue classified as other.
    Fait FeesAndCommissionsOther
    Cadre CY2017Q2
    Étiquette Fees and Commissions, Other (Deprecated 2018-01-31)
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 31 000 000
  59. Description A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.
    Fait ProfessionalFees
    Étiquette Professional Fees
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 191 000 000
  60. Description A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.
    Fait ProfessionalFees
    Cadre CY2017Q2
    Étiquette Professional Fees
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 97 000 000
  61. Description Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.
    Fait PaymentsOfDividends
    Étiquette Payments of Dividends
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 379 000 000
  62. Description The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).
    Fait OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
    Cadre CY2017Q2I
    Étiquette Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held
    Taxonomie us-gaap
    Unité USD
    Val 64 000 000
  63. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on U.S. Treasury securities and other U.S. government securities.
    Fait InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment
    Étiquette Interest Income, Securities, US Treasury and Other US Government
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 420 000 000
  64. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on U.S. Treasury securities and other U.S. government securities.
    Fait InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment
    Cadre CY2017Q2
    Étiquette Interest Income, Securities, US Treasury and Other US Government
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 208 000 000
  65. Description Income from services rendered by trust departments or by any consolidated subsidiaries acting in a fiduciary capacity, including fees earned for (1) acting as an agent for fiduciary placement and loans and (2) custody or investment advisory services when such fees are not separately billed to the customer. This item excludes commissions and fees received for the accumulation or disbursement of funds deposited to Individual Retirement or Keogh plan accounts when such are not handled by the reporting entity's trust department.
    Fait FeesAndCommissionsFiduciaryAndTrustActivities
    Étiquette Fees and Commissions, Fiduciary and Trust Activities (Deprecated 2018-01-31)
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 2 635 000 000
  66. Description Income from services rendered by trust departments or by any consolidated subsidiaries acting in a fiduciary capacity, including fees earned for (1) acting as an agent for fiduciary placement and loans and (2) custody or investment advisory services when such fees are not separately billed to the customer. This item excludes commissions and fees received for the accumulation or disbursement of funds deposited to Individual Retirement or Keogh plan accounts when such are not handled by the reporting entity's trust department.
    Fait FeesAndCommissionsFiduciaryAndTrustActivities
    Cadre CY2017Q2
    Étiquette Fees and Commissions, Fiduciary and Trust Activities (Deprecated 2018-01-31)
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 1 339 000 000
  67. Description The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.
    Fait InterestAndFeeIncomeLoansAndLeases
    Étiquette Interest and Fee Income, Loans and Leases
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 224 000 000
  68. Description The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.
    Fait InterestAndFeeIncomeLoansAndLeases
    Cadre CY2017Q2
    Étiquette Interest and Fee Income, Loans and Leases
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 118 000 000
  69. Description Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.
    Fait IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
    Étiquette Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 360 000 000
  70. Description Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.
    Fait IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
    Cadre CY2017Q2
    Étiquette Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 776 000 000
  71. Description This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis.
    Fait OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
    Étiquette Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  72. Description The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer.
    Fait ProceedsFromRepaymentsOfShortTermDebt
    Étiquette Proceeds from (Repayments of) Short-term Debt
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val -664 000 000
  73. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fait OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Étiquette OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 472 000 000
  74. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fait OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Cadre CY2017Q2
    Étiquette OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 271 000 000
  75. Description Amount of cash inflow (outflow) from financing activities classified as other.
    Fait ProceedsFromPaymentsForOtherFinancingActivities
    Étiquette Proceeds from (Payments for) Other Financing Activities
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 9 000 000
  76. Description Amount of cash outflow for debt, mandatory redeemable security, and principal payment for finance lease obligation.
    Fait RepaymentsOfLongTermDebtAndCapitalSecurities
    Étiquette Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 471 000 000
  77. Description Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 169 000 000
  78. Description Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
    Cadre CY2017Q2
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 169 000 000
  79. Description Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
    Fait NetCashProvidedByUsedInInvestingActivities
    Étiquette Net Cash Provided by (Used in) Investing Activities
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 5 016 000 000
  80. Description The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.
    Fait ProceedsFromIssuanceOfLongTermDebt
    Étiquette Proceeds from Issuance of Long-term Debt
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 747 000 000
  81. Description The amount of expense in the period for communications and data processing expense.
    Fait CommunicationsAndInformationTechnology
    Étiquette Communications and Information Technology
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 570 000 000
  82. Description The amount of expense in the period for communications and data processing expense.
    Fait CommunicationsAndInformationTechnology
    Cadre CY2017Q2
    Étiquette Communications and Information Technology
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 283 000 000
  83. Description Value of stock issued as a result of the exercise of stock options.
    Fait StockIssuedDuringPeriodValueStockOptionsExercised
    Étiquette Stock Issued During Period, Value, Stock Options Exercised
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 86 000 000
  84. Description Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.
    Fait CashAndCashEquivalentsPeriodIncreaseDecrease
    Étiquette Cash and Cash Equivalents, Period Increase (Decrease)
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 842 000 000
  85. Description Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 439 000 000
  86. Description Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
    Cadre CY2017Q2
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 220 000 000
  87. Description Aggregate amount of interest expense on all deposits.
    Fait InterestExpenseDeposits
    Étiquette Interest Expense, Deposits
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 57 000 000
  88. Description Aggregate amount of interest expense on all deposits.
    Fait InterestExpenseDeposits
    Cadre CY2017Q2
    Étiquette Interest Expense, Deposits
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 14 000 000
  89. Description The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.
    Fait InterestExpenseShortTermBorrowings
    Étiquette Interest Expense, Short-term Borrowings
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 5 000 000
  90. Description The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.
    Fait InterestExpenseShortTermBorrowings
    Cadre CY2017Q2
    Étiquette Interest Expense, Short-term Borrowings
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 3 000 000
  91. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fait InterestExpense
    Étiquette Interest Expense
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 265 000 000
  92. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fait InterestExpense
    Cadre CY2017Q2
    Étiquette Interest Expense
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 125 000 000
  93. Description The increase (decrease) during the reporting period in the amount of cash that is received as security when loaning securities.
    Fait IncreaseDecreaseInCashCollateralForLoanedSecurities
    Étiquette Increase (Decrease) in Cash Collateral for Loaned Securities
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val -1 047 000 000
  94. Description Interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from debt securities issued by municipal governments, local taxing districts and US state government agencies.
    Fait InterestIncomeSecuritiesStateAndMunicipal
    Étiquette Interest Income, Securities, State and Municipal
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 114 000 000
  95. Description Interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from debt securities issued by municipal governments, local taxing districts and US state government agencies.
    Fait InterestIncomeSecuritiesStateAndMunicipal
    Cadre CY2017Q2
    Étiquette Interest Income, Securities, State and Municipal
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 56 000 000
  96. Description The net cash outflow or inflow for the increase (decrease) in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale. Includes cash payments and proceeds associated with (a) loans held-for-investment, (b) leases held-for-investment, and (c) both.
    Fait PaymentsForProceedsFromLoansAndLeases
    Étiquette Payments for (Proceeds from) Loans and Leases
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 4 587 000 000
  97. Description Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fait OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
    Étiquette Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 13 000 000
  98. Description Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fait OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
    Cadre CY2017Q2
    Étiquette Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val -110 000 000
  99. Description Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  100. Description Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
    Cadre CY2017Q2
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val -2 000 000
  101. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fait WeightedAverageNumberOfSharesOutstandingBasic
    Étiquette Weighted Average Number of Shares Outstanding, Basic
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité shares
    Val 378 293 000
  102. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fait WeightedAverageNumberOfSharesOutstandingBasic
    Cadre CY2017Q2
    Étiquette Weighted Average Number of Shares Outstanding, Basic
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité shares
    Val 375 395 000
  103. Description This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.
    Fait MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
    Étiquette Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount (Deprecated 2018-01-31)
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  104. Description This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.
    Fait MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
    Cadre CY2017Q2
    Étiquette Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount (Deprecated 2018-01-31)
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  105. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fait ProvisionForLoanAndLeaseLosses
    Étiquette Provision for Loan and Lease Losses
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 000 000
  106. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fait ProvisionForLoanAndLeaseLosses
    Cadre CY2017Q2
    Étiquette Provision for Loan and Lease Losses
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 3 000 000
  107. Description Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fait ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
    Étiquette Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 15 178 000 000
  108. Description Interest income derived from securities purchased under agreements to resell. The difference in the price at which the institution buys the securities and resells the securities represents interest for the use of the funds by the other party. Most repurchase and sale agreements involve obligations of the federal government or its agencies, but other financial instruments, such as commercial paper, banker's acceptances and negotiable certificates of deposits are sometimes used in such transactions.
    Fait InterestIncomeSecuritiesPurchasedUnderAgreementsToResell
    Étiquette Interest Income, Securities Purchased under Agreements to Resell
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 115 000 000
  109. Description Interest income derived from securities purchased under agreements to resell. The difference in the price at which the institution buys the securities and resells the securities represents interest for the use of the funds by the other party. Most repurchase and sale agreements involve obligations of the federal government or its agencies, but other financial instruments, such as commercial paper, banker's acceptances and negotiable certificates of deposits are sometimes used in such transactions.
    Fait InterestIncomeSecuritiesPurchasedUnderAgreementsToResell
    Cadre CY2017Q2
    Étiquette Interest Income, Securities Purchased under Agreements to Resell
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 69 000 000
  110. Description Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.
    Fait AllowanceForLoanAndLeaseLossesWriteOffs
    Étiquette Allowance for Loan and Lease Losses, Write-offs
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  111. Description Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.
    Fait AllowanceForLoanAndLeaseLossesWriteOffs
    Cadre CY2017Q2
    Étiquette Allowance for Loan and Lease Losses, Write-offs
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 0
  112. Description Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the par value method.
    Fait TreasuryStockValueAcquiredParValueMethod
    Étiquette Treasury Stock, Value, Acquired, Par Value Method
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 750 000 000
  113. Description Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts.
    Fait InterestIncomeDepositsWithFinancialInstitutions
    Étiquette Interest Income, Deposits with Financial Institutions
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 76 000 000
  114. Description Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts.
    Fait InterestIncomeDepositsWithFinancialInstitutions
    Cadre CY2017Q2
    Étiquette Interest Income, Deposits with Financial Institutions
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 41 000 000
  115. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fait EarningsPerShareBasic
    Étiquette Earnings Per Share, Basic
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD/shares
    Val 2,72
  116. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fait EarningsPerShareBasic
    Cadre CY2017Q2
    Étiquette Earnings Per Share, Basic
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD/shares
    Val 1,56
  117. Description The expense in the period incurred with respect to protection provided by insurance entities against risks other than risks associated with production (which are allocated to cost of sales).
    Fait GeneralInsuranceExpense
    Étiquette General Insurance Expense
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 58 000 000
  118. Description The expense in the period incurred with respect to protection provided by insurance entities against risks other than risks associated with production (which are allocated to cost of sales).
    Fait GeneralInsuranceExpense
    Cadre CY2017Q2
    Étiquette General Insurance Expense
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 28 000 000
  119. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fait NetIncomeLoss
    Étiquette Net Income (Loss) Attributable to Parent
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 122 000 000
  120. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fait NetIncomeLoss
    Cadre CY2017Q2
    Étiquette Net Income (Loss) Attributable to Parent
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 620 000 000
  121. Description For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.
    Fait CashAndDueFromBanks
    Cadre CY2017Q2I
    Étiquette Cash and Due from Banks
    Taxonomie us-gaap
    Unité USD
    Val 3 156 000 000
  122. Description Amount of expense classified as other.
    Fait OtherExpenses
    Étiquette Other Expenses
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 283 000 000
  123. Description Amount of expense classified as other.
    Fait OtherExpenses
    Cadre CY2017Q2
    Étiquette Other Expenses
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 132 000 000
  124. Description Amount of increase (decrease) in operating liabilities classified as other.
    Fait IncreaseDecreaseInOtherOperatingLiabilities
    Étiquette Increase (Decrease) in Other Operating Liabilities
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 354 000 000
  125. Description Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val -3 000 000
  126. Description Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
    Cadre CY2017Q2
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 3 000 000
  127. Description The total expense recognized in the period for promotion, public relations, and brand or product advertising.
    Fait MarketingAndAdvertisingExpense
    Étiquette Marketing and Advertising Expense
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 28 000 000
  128. Description The total expense recognized in the period for promotion, public relations, and brand or product advertising.
    Fait MarketingAndAdvertisingExpense
    Cadre CY2017Q2
    Étiquette Marketing and Advertising Expense
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 15 000 000
  129. Description The cash outflow to reacquire common stock during the period.
    Fait PaymentsForRepurchaseOfCommonStock
    Étiquette Payments for Repurchase of Common Stock
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 592 000 000
  130. Description Amount of fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees.
    Fait InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions
    Étiquette Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 312 000 000
  131. Description Amount of fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees.
    Fait InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions
    Cadre CY2017Q2
    Étiquette Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 179 000 000
  132. Description The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.
    Fait PaymentsToAcquireAvailableForSaleSecurities
    Étiquette Payments to Acquire Available-for-sale Securities
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 14 880 000 000
  133. Description Amount of increase (decrease) of investment in debt and equity securities, measured at fair value with changes in fair value recognized in net income.
    Fait IncreaseDecreaseInTradingSecurities
    Étiquette Increase (Decrease) in Debt Securities, Trading, and Equity Securities, FV-NI
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val -128 000 000
  134. Description Total aggregate amount of all noninterest expense.
    Fait NoninterestExpense
    Étiquette Noninterest Expense
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 4 117 000 000
  135. Description Total aggregate amount of all noninterest expense.
    Fait NoninterestExpense
    Cadre CY2017Q2
    Étiquette Noninterest Expense
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 2 031 000 000
  136. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.
    Fait DividendsPreferredStockCash
    Étiquette Dividends, Preferred Stock, Cash
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 91 000 000
  137. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.
    Fait DividendsPreferredStockCash
    Cadre CY2017Q2
    Étiquette Dividends, Preferred Stock, Cash
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 36 000 000
  138. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fait WeightedAverageNumberOfDilutedSharesOutstanding
    Étiquette Weighted Average Number of Shares Outstanding, Diluted
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité shares
    Val 383 489 000
  139. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fait WeightedAverageNumberOfDilutedSharesOutstanding
    Cadre CY2017Q2
    Étiquette Weighted Average Number of Shares Outstanding, Diluted
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité shares
    Val 380 915 000
  140. Description Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fait OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
    Étiquette Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val -8 000 000
  141. Description Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fait OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
    Cadre CY2017Q2
    Étiquette Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val -2 000 000
  142. Description Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.
    Fait InterestIncomeOperating
    Étiquette Interest Income, Operating
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 350 000 000
  143. Description Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.
    Fait InterestIncomeOperating
    Cadre CY2017Q2
    Étiquette Interest Income, Operating
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 700 000 000
  144. Description Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
    Fait DividendsCommonStockCash
    Étiquette Dividends, Common Stock, Cash
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 286 000 000
  145. Description Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
    Fait DividendsCommonStockCash
    Cadre CY2017Q2
    Étiquette Dividends, Common Stock, Cash
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 142 000 000
  146. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fait StockholdersEquity
    Cadre CY2017Q2I
    Étiquette Stockholders' Equity Attributable to Parent
    Taxonomie us-gaap
    Unité USD
    Val 22 068 000 000
  147. Description Amount of general expenses not normally included in Other Operating Costs and Expenses.
    Fait OtherGeneralExpense
    Étiquette Other General Expense
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 135 000 000
  148. Description Amount of general expenses not normally included in Other Operating Costs and Expenses.
    Fait OtherGeneralExpense
    Cadre CY2017Q2
    Étiquette Other General Expense
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 69 000 000
  149. Description Amount of increase (decrease) in receivables classified as other.
    Fait IncreaseDecreaseInOtherReceivables
    Étiquette Increase (Decrease) in Other Receivables
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 161 000 000
  150. Description Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 152 000 000
  151. Description Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
    Cadre CY2017Q2
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 152 000 000
  152. Description This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security because of the sale of impaired securities during the period.
    Fait OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
    Étiquette Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 2 000 000
  153. Description Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
    Fait NetCashProvidedByUsedInOperatingActivities
    Étiquette Net Cash Provided by (Used in) Operating Activities
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 3 999 000 000
  154. Description Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).
    Fait Revenues
    Étiquette Revenues
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 5 478 000 000
  155. Description Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).
    Fait Revenues
    Cadre CY2017Q2
    Étiquette Revenues
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 2 810 000 000
  156. Description Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 414 000 000
  157. Description Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
    Cadre CY2017Q2
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 119 000 000
  158. Description Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.
    Fait OccupancyNet
    Étiquette Occupancy, Net
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 226 000 000
  159. Description Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.
    Fait OccupancyNet
    Cadre CY2017Q2
    Étiquette Occupancy, Net
    Commencer 2017-04-01
    Taxonomie us-gaap
    Unité USD
    Val 116 000 000
  160. Description Amount of cash outflow to acquire investments classified as other.
    Fait PaymentsToAcquireOtherInvestments
    Étiquette Payments to Acquire Other Investments
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 19 000 000
  161. Description Amount of increase (decrease) in operating assets classified as other.
    Fait IncreaseDecreaseInOtherOperatingAssets
    Étiquette Increase (Decrease) in Other Operating Assets
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 1 787 000 000
  162. Description The net cash inflow or outflow in Interest-bearing Deposits by banks in other financial institutions for relatively short periods of time including, for example, certificates of deposits.
    Fait ProceedsFromPaymentsForInInterestBearingDepositsInBanks
    Étiquette Proceeds from (Payments for) in Interest-bearing Deposits in Banks
    Commencer 2017-01-01
    Taxonomie us-gaap
    Unité USD
    Val 7 318 000 000

Faits se terminant le 2017-03-31

  1. Description Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
    Cadre CY2017Q1I
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
    Taxonomie us-gaap
    Unité USD
    Val 1 265 000 000
  2. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fait FinancingReceivableAllowanceForCreditLosses
    Cadre CY2017Q1I
    Étiquette Financing Receivable, Allowance for Credit Loss
    Taxonomie us-gaap
    Unité USD
    Val 51 000 000

Faits se terminant le 2016-12-31

  1. Description Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fait FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
    Étiquette Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
    Taxonomie us-gaap
    Unité USD
    Val 1 345 000 000
  2. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fait Goodwill
    Étiquette Goodwill
    Taxonomie us-gaap
    Unité USD
    Val 5 814 000 000
  3. Description Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.
    Fait RestructuringReserve
    Étiquette Restructuring Reserve
    Taxonomie us-gaap
    Unité USD
    Val 56 000 000
  4. Description Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fait FiniteLivedIntangibleAssetsNet
    Étiquette Finite-Lived Intangible Assets, Net
    Taxonomie us-gaap
    Unité USD
    Val 1 750 000 000
  5. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fait FinancingReceivableAllowanceForCreditLosses
    Étiquette Financing Receivable, Allowance for Credit Loss
    Taxonomie us-gaap
    Unité USD
    Val 53 000 000
  6. Description The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).
    Fait OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
    Étiquette Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held
    Taxonomie us-gaap
    Unité USD
    Val 66 000 000
  7. Description For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.
    Fait CashAndDueFromBanks
    Étiquette Cash and Due from Banks
    Taxonomie us-gaap
    Unité USD
    Val 1 314 000 000
  8. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fait StockholdersEquity
    Étiquette Stockholders' Equity Attributable to Parent
    Taxonomie us-gaap
    Unité USD
    Val 21 219 000 000

Cette annonce se réfère à une date antérieure et ne reflète pas nécessairement l’état actuel. L’état actuel est présenté à la page suivante : State Street Corporation, Boston, États-Unis.