CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Federal funds sold and securities borrowed or purchased under agreements to resell, at fair value	$ 264,495	$ 270,684
Trading account assets, pledged to creditors	125,102	112,932
Available-for-sale securities, pledged to creditors	13,140	9,289
Held-to-maturity securities, pledged to creditors	986	971
Equity securities, at fair value	1,012	1,109
Loans, net of unearned income	682,346	684,196
Mortgage servicing rights	551	584
Other assets, at fair value	110,483	109,273
Interest-bearing deposits in U.S. offices	373,339	361,573
Interest-bearing deposits in offices outside the U.S.	475,068	465,113
Federal funds purchased and securities loaned or sold under agreements to repurchase, at fair value	190,372	177,768
Short-term borrowings, at fair value	39,322	32,346
Long-term debt, at fair value	243,566	231,999
Other liabilities	$ 58,735	$ 56,150
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	738,400
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)	3,099,601,505	3,099,567,177
Treasury stock (in shares)	787,133,784	731,099,833
Consumer
Loans, net of unearned income	$ 319,887	$ 330,487
Corporate
Loans, net of unearned income	362,459	353,709
Fair value
Federal funds sold and securities borrowed or purchased under agreements to resell, at fair value	162,116	147,701
Other assets, at fair value	19,818	20,788
Interest-bearing deposits in U.S. offices	1,408	717
Interest-bearing deposits in offices outside the U.S.	936	758
Federal funds purchased and securities loaned or sold under agreements to repurchase, at fair value	46,241	44,510
Short-term borrowings, at fair value	5,172	4,483
Long-term debt, at fair value	44,088	38,229
Other liabilities	14,577	15,906
Fair value | Consumer
Loans, net of unearned income	20	20
Fair value | Corporate
Loans, net of unearned income	$ 3,854	$ 3,203