Other Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Other Assets [Abstract]
Securities borrowed	$ 16,891	$ 22,300
Derivative instruments, net	11,184	4,108
Bank-owned life insurance	3,628	3,554
Investments in joint ventures and other unconsolidated entities	3,250	3,162
Collateral, net	2,703	1,011
Deferred tax assets, net of valuation allowance	1,083	254
Receivable for securities settlement	1,021	213
Prepaid expenses	642	612
Right-of-use assets	478	542
Accounts receivable	418	236
Income taxes receivable	161	317
Deposits with clearing organizations	62	62
Other	1,145	1,244
Total	42,666	37,615
Equity securities without readily determinable fair value, amount	174	109
Equity securities without readily determinable fair value, upward price adjustment	0
Advances	$ 740	$ 544