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Derivatives and Hedging Activities - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Foreign currency transaction gains and losses resulting in a net gain (loss)	$ 5	$ (40)	$ (11)	$ (50)
Losses were offset by foreign currency transaction gains on hedged loans	0	0	0	0
Reclassification from AOCL	1	$ (2)	3	$ (2)
Cross currency swaps \| Fair Value Hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Outstanding balance of loans	435		435		$ 24
Outstanding balance of loans, current	447		447		24
Aggregate notional value	453		453		473
Cross currency swaps \| Net Investment Hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Aggregate notional value	5,500		5,500		3,900
Currency swaps mature on July 10, 2028 \| Fair Value Hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Aggregate notional value	435		435		447
Two Cross Currency Swaps \| Fair Value Hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Aggregate notional value	$ 18		$ 18		$ 26