CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Securities borrowed or purchased under agreements to resell, at fair value	$ 282,917	$ 251,322
Trading account assets, pledged to creditors	172,192	120,236
Available-for-sale securities, pledged to creditors	6,281	8,721
Held-to-maturity securities, pledged to creditors	488	1,923
Equity securities, at fair value	1,079	1,162
Loans, net of unearned income	685,292	699,483
Mortgage servicing rights	345	495
Other assets, at fair value	108,106	107,709
Interest-bearing deposits in U.S. offices	490,823	401,418
Interest-bearing deposits in offices outside the U.S.	539,972	484,669
Securities loaned or sold under agreements to repurchase, at fair value	215,722	166,339
Short-term borrowings, at fair value	40,156	45,049
Long-term debt, at fair value	279,775	248,760
Other liabilities	$ 61,269	$ 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)	719,200	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)	1,017,898,767	985,479,501
Consumer
Loans, net of unearned income	$ 281,113	$ 309,548
Corporate
Loans, net of unearned income	404,179	389,935
Fair value
Securities borrowed or purchased under agreements to resell, at fair value	174,558	153,193
Other assets, at fair value	12,734	12,830
Interest-bearing deposits in U.S. offices	978	1,624
Interest-bearing deposits in offices outside the U.S.	1,494	695
Securities loaned or sold under agreements to repurchase, at fair value	59,445	40,651
Short-term borrowings, at fair value	6,646	4,946
Long-term debt, at fair value	61,971	55,783
Other liabilities	5,789	6,343
Fair value | Consumer
Loans, net of unearned income	16	18
Fair value | Corporate
Loans, net of unearned income	$ 5,783	$ 4,067