Derivative Instruments - Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) on fair value hedges	$ 0	$ 0	$ 0	$ 0
Foreign Exchange Contract
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged items	(7)	13	66	13
Derivatives designated as hedging instruments	7	(13)	(66)	(13)
Interest Rate Contract
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged items	(38)	0	(20)	0
Derivatives designated as hedging instruments	$ 38	$ 0	$ 20	$ 0

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

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Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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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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Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

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