Commitments, Contingencies, And Guarantees (Schedule of Net Investment Hedges, Statements of Financial Performance and Financial Position, Location) (Details) - Net Investment Hedging - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Financial Instruments Owned and Pledged as Collateral [Line Items]
Gain/(loss) recognized in OCI	$ 58	$ (58)
Interest income reclassified from OCI	19	13
OCI gain (loss) after reclassifications	$ 39	$ (71)