Other Assets (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Other Assets [Abstract]
Securities borrowed	$ 18,194	$ 22,300
Derivative instruments, net	9,476	4,108
Bank-owned life insurance	3,605	3,554
Investments in joint ventures and other unconsolidated entities	3,256	3,162
Collateral, net	1,691	1,011
Receivable for securities settlement	1,083	213
Deferred tax assets, net of valuation allowance	1,027	254
Prepaid expenses	705	612
Right-of-use assets	501	542
Accounts receivable	464	236
Income taxes receivable	326	317
Deposits with clearing organizations	62	62
Other	1,080	1,244
Total	41,470	37,615
Equity securities without readily determinable fair value, amount	177	109
Equity securities without readily determinable fair value, upward price adjustment	0
Advances	$ 677	$ 544