Derivative Instruments - Impact on Statements of Income, Net Investment Hedges (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Translation adjustments, net of hedges
Gains/(losses) recorded in income(a) and other comprehensive income/(loss)
Reclassification of net pre-tax gains related to net investment hedges	$ 0	$ 36	$ 0	$ 46
Net Investment Hedging | Net foreign exchange derivatives
Gains/(losses) recorded in income(a) and other comprehensive income/(loss)
Amounts recorded in income	160	151	312	344
Amounts recorded in OCI	$ 232	$ (2,487)	$ (6,115)	$ (83)