Derivative Financial Instruments and Risk Management - Location and Fair Value of Derivative Instruments Reported in the Consolidated Statements of Financial Position (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Derivatives, Fair Value
Derivative assets	$ 264	$ 296
Derivative liabilities	(141)	(171)
Designated derivatives
Derivatives, Fair Value
Derivative assets	202	283
Derivative liabilities	(100)	(100)
Designated derivatives \| Foreign exchange contracts
Derivatives, Fair Value
Derivative assets	153	229
Derivative liabilities	(96)	(94)
Designated derivatives \| Interest rate contracts
Derivatives, Fair Value
Derivative assets	49	54
Derivative liabilities	(4)	(6)
Undesignated derivatives
Derivatives, Fair Value
Derivative assets	62	13
Derivative liabilities	(41)	(71)
Undesignated derivatives \| Foreign exchange contracts
Derivatives, Fair Value
Derivative assets	62	13
Derivative liabilities	$ (41)	$ (71)

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.

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.

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