CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Securities borrowed or purchased under agreements to resell, at fair value	$ 345,410	$ 327,288
Trading account assets, pledged to creditors	147,835	133,828
Available-for-sale securities, pledged to creditors	5,659	9,226
Held-to-maturity securities, pledged to creditors	1,294	1,460
Equity securities, at fair value	957	1,032
Loans, net of unearned income, at fair value	659,669	667,767
Mortgage servicing rights, at fair value	520	404
Other assets, at fair value	146,128	125,879
Interest-bearing deposits in U.S. offices, at fair value	557,327	543,283
Interest-bearing deposits in offices outside the U.S., at fair value	524,139	518,125
Securities loaned or sold under agreements to repurchase, at fair value	204,494	191,285
Brokerage payables, at fair value	91,324	61,430
Short-term borrowings, at fair value	30,144	27,973
Long-term debt, at fair value	$ 253,954	$ 254,374
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)	759,800	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)	3,099,669,033	3,099,651,835
Treasury stock (in shares)	1,157,748,491	1,115,296,641
Consumer
Loans, net of unearned income, at fair value	$ 350,328	$ 376,534
Corporate
Loans, net of unearned income, at fair value	309,341	291,233
Fair value
Securities borrowed or purchased under agreements to resell, at fair value	234,349	216,466
Other assets, at fair value	11,789	12,342
Interest-bearing deposits in U.S. offices, at fair value	893	879
Interest-bearing deposits in offices outside the U.S., at fair value	945	787
Securities loaned or sold under agreements to repurchase, at fair value	65,543	56,694
Brokerage payables, at fair value	3,668	3,575
Short-term borrowings, at fair value	7,367	7,358
Long-term debt, at fair value	83,277	82,609
Fair value | Consumer
Loans, net of unearned income, at fair value	10	12
Fair value | Corporate
Loans, net of unearned income, at fair value	$ 5,722	$ 6,070