Commitments, Contingencies, And Guarantees (Schedule of Net Investment Hedges, Statements of Financial Performance and Financial Position, Location) (Details) - Net Investment Hedging - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Financial Instruments Owned and Pledged as Collateral [Line Items]
Gain (loss) recognized in OCI	$ 36	$ (23)
Interest income reclassified from OCI	3	3
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	$ 33	$ (26)