Derivatives - Schedule of Carrying Amount and the Cumulative Fair Value Hedging Adjustments (Details) - Fair Value Hedging - Interest sensitive contract liabilities - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Foreign currency interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Carrying amount of the hedged liabilities	$ 4,276	$ 3,946
Cumulative amount of fair value hedging gains (losses)	82	488
Interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Carrying amount of the hedged liabilities	17,285	17,873
Cumulative amount of fair value hedging gains (losses)	$ (51)	$ 130

- Definition

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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