CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Securities borrowed and purchased under resale agreements	$ 294,712	$ 251,322
Trading account assets, pledged to creditors	168,967	120,236
AFS securities, pledged to creditors	5,921	8,721
HTM securities, pledged to creditors	547	1,923
Equity securities	1,066	1,162
Loans, net of unearned income	675,883	699,483
MSRs	336	495
Other assets	110,683	107,709
U.S. Interest-bearing deposits, at fair value	503,213	401,418
Non U.S. Interest-bearing deposits, at fair value	549,973	484,669
Federal funds purchased and securities loaned or sold under agreements to repurchase, at fair value	199,525	166,339
Short-term borrowings	29,514	45,049
Long-term debt	271,686	248,760
Other liabilities, at fair value	$ 59,983	$ 57,979
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)	779,200	719,200
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)	3,099,763,661	3,099,602,856
Treasury stock (in shares)	1,017,674,452	985,479,501
Consumer
Loans, net of unearned income	$ 288,839	$ 309,548
Corporate
Loans, net of unearned income	387,044	389,935
Fair value
Securities borrowed and purchased under resale agreements	185,204	153,193
Other assets	14,613	12,830
U.S. Interest-bearing deposits, at fair value	879	1,624
Non U.S. Interest-bearing deposits, at fair value	1,079	695
Federal funds purchased and securities loaned or sold under agreements to repurchase, at fair value	60,206	40,651
Short-term borrowings	4,683	4,946
Long-term debt	67,063	55,783
Other liabilities, at fair value	6,835	6,343
Fair value | Consumer
Loans, net of unearned income	14	18
Fair value | Corporate
Loans, net of unearned income	$ 6,840	$ 4,067