Commitments and Guarantees - Contractual Amounts of Credit-Related Off-Balance Sheet Financial Instruments (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	9 Months Ended
	Mar. 31, 2022	Jun. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Unfunded credit facilities		$ 32,939		$ 33,026
Indemnified securities financing		345,237		385,740
Standby letters of credit		$ 2,542		$ 3,237
Unfunded commitments to extend credit, short term	76.00%	78.00%
Term of unfunded commitment		1 year	1 year