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Derivative liabilities related to sale of a portion of Visa class B shares.

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Hedged Amount of Foreign Currency Denominated Loans

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The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

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Amount of hedged item in hedging relationship. Excludes hedged asset or liability.

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Nominal or face amount used to calculate payments on the derivative asset.

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Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

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Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

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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.

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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.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

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Nominal or face amount used to calculate payments on the derivative liability.

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The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

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Amount of gain (loss) resulting from the difference between the acquisition price and the selling price or fair value of trading assets and trading liabilities, conducted separately from customer trading activities. Includes, but is not limited to, changes in fair value of trading assets and trading liabilities.

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Derivatives - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
Derivatives - Narrative (Details) - USD ($) $ in Millions	Nov. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Collateral cash payables		$ 236		$ 236		$ 347
Total trading revenues		91	$ 100	206	$ 179
Hedged amount of foreign currency denominated loans						12
Derivative assets		479		479		765
Derivative liability		98		98		125
Visa Class B Shares
Derivative Instruments, Gain (Loss) [Line Items]
Derivative liabilities related to sale		18		18		13
Additional Derivative Agreements \| Derivative Instruments With Adjustable Collateral Posting Thresholds
Derivative Instruments, Gain (Loss) [Line Items]
Net fair value of derivative assets with adjustable posting thresholds		104		104		200
Net fair value of derivative liabilities with adjustable posting thresholds		15		15		5
Collateral received		233		233		320
Securities posted collateral		2		2		34
Additional Derivative Agreements \| Derivative Instruments With Accelerated Termination Provisions
Derivative Instruments, Gain (Loss) [Line Items]
Net fair value of derivative assets with adjustable posting thresholds		116		116		216
Net fair value of derivative liabilities with adjustable posting thresholds		21		21		17
Collateral received		246		246		343
Securities posted collateral		9		9		53
Counterparties
Derivative Instruments, Gain (Loss) [Line Items]
Collateral cash receivables		236		236		280
Collateral cash payables		119		119		166
Senior Subordinated Notes \| Senior Debt Maturing In December 2020
Derivative Instruments, Gain (Loss) [Line Items]
Term borrowings	$ 500
Early repayment of senior debt	$ 500
Derivatives, interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Collateral cash payables		227		227		327
Derivative assets		453		453		702
Derivative liability		74		74		60
Credit Risk Contract
Derivative Instruments, Gain (Loss) [Line Items]
Derivative asset, notional amount		239		239		233
Derivative liability, notional amount		486		486		464
Embedded Derivative Financial Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Derivative assets		1		1		1
Derivative liability		$ 1		$ 1		$ 1