CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Securities borrowed or purchased under agreements to resell, at fair value	$ 337,103	$ 365,401
Trading account assets, pledged to creditors	172,535	133,535
Available-for-sale securities, pledged to creditors	11,754	10,933
Held-to-maturity debt securities, fair value	238,021	243,648
Held-to-maturity debt securities, pledged to creditors	21	0
Equity securities, at fair value	729	895
Loans, net of unearned income, at fair value	660,612	657,221
Mortgage servicing rights, at fair value	681	665
Other assets, at fair value	102,972	103,743
Securities loaned or sold under agreements to repurchase, at fair value	260,035	202,444
Brokerage payables, at fair value	69,433	69,218
Short-term borrowings, at fair value	40,430	47,096
Long-term debt, at fair value	$ 274,510	$ 271,606
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, authorized shares (in shares)	30,000,000	30,000,000
Preferred stock, issued shares, at aggregate liquidation value (in shares)	809,800	759,800
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares (in shares)	6,000,000,000	6,000,000,000
Common stock, issued shares (in shares)	3,099,691,671	3,099,669,424
Treasury stock (in shares)	1,173,989,187	1,162,682,999
Recurring
Deposits, at fair value	$ 2,598	$ 1,875
Consumer
Loans, net of unearned income, at fair value	374,591	368,067
Corporate
Loans, net of unearned income, at fair value	286,021	289,154
Fair value
Securities borrowed or purchased under agreements to resell, at fair value	210,126	239,527
Other assets, at fair value	13,637	10,658
Securities loaned or sold under agreements to repurchase, at fair value	62,800	70,886
Brokerage payables, at fair value	5,989	4,439
Short-term borrowings, at fair value	5,622	6,222
Long-term debt, at fair value	115,937	105,995
Fair value | Consumer
Loans, net of unearned income, at fair value	237	237
Fair value | Corporate
Loans, net of unearned income, at fair value	$ 5,529	$ 5,123