Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Securities borrowed at fair value	$ 38,578	$ 39,955
Customer and other receivables at fair value	25	42
Trading assets, at fair value pledged as collateral	40,143	68,208
Investment at fair value	78,201	83,427
Investment pledged as collateral	9,818	12,840
Loans, allowance	5,543	3,573
Loans at fair value	7,655	10,769
Other assets at fair value	145	0
Deposits at fair value	15,746	35,425
Securities loaned at fair value	4,372	9,170
Other secured financings at fair value	12,756	17,074
Unsecured short-term borrowings at fair value	39,731	29,832
Unsecured long-term borrowings at fair value	73,147	52,390
Other liabilities at fair value	159	359
Preferred stock, liquidation preference	$ 10,703	$ 10,703
Common stock, shares issued (in shares)	917,815,030	906,430,314
Common stock, shares outstanding (in shares)	334,918,639	333,573,254
Stock held in treasury (in shares)	582,896,393	572,857,062