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		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Financial Instruments Owned and Pledged as Collateral [Line Items]
Gain (loss) recognized in OCI	$ (98)	$ (20)	$ (25)	$ (8)
Interest income reclassified from OCI	5	3	11	10
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	$ (103)	$ (23)	$ (36)	$ (18)