Commitments, Contingencies, And Guarantees (Schedule of Net Investment Hedges, Statements of Financial Performance and Financial Position, Location) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Financial Instruments Owned and Pledged as Collateral [Line Items]
Other comprehensive income (loss), before income tax	$ (955)	$ (4,446)	$ 467	$ (8,554)
Net Investment Hedging
Financial Instruments Owned and Pledged as Collateral [Line Items]
Gain recognized in OCI	35		12
Interest income reclassified from OCI	4		7
Other comprehensive income (loss), before income tax	$ 31		$ 5