Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Securities borrowed at fair value	$ 42,506	$ 39,955
Customer and other receivables at fair value	25	42
Trading assets, at fair value pledged as collateral	77,130	68,208
Investment at fair value	77,580	83,427
Investment pledged as collateral	20,375	12,840
Loans, allowance	4,846	3,573
Loans at fair value	8,250	10,769
Deposits at fair value	23,587	35,425
Securities loaned at fair value	7,444	9,170
Other secured financings at fair value	14,240	17,074
Unsecured short-term borrowings at fair value	32,470	29,832
Unsecured long-term borrowings at fair value	65,358	52,390
Other liabilities at fair value	462	359
Preferred stock, liquidation preference	$ 10,703	$ 10,703
Common stock, shares issued (in shares)	917,804,656	906,430,314
Common stock, shares outstanding (in shares)	339,103,013	333,573,254
Stock held in treasury (in shares)	578,701,645	572,857,062