CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Federal funds sold and resale agreements	$ 270,684	$ 232,478
Trading account assets, pledged to creditors	112,932	99,460
Available-for-sale securities, pledged to creditors	9,289	9,493
Held-to-maturity securities, pledged to creditors	971	435
Equity securities, available-for-sale		189
Loans, net of unearned income	684,196	667,034
MSRs	584	558
Other assets	109,273	103,926
U.S. Interest-bearing deposits, at fair value	361,573	318,613
Non U.S. Interest-bearing deposits, at fair value	465,113	426,889
Federal funds purchased and securities loaned or sold under agreements to repurchase, at fair value	177,768	156,277
Short-term borrowings, at fair value	32,346	44,452
Long-term debt, at fair value	231,999	236,709
Other liabilities, at fair value	$ 56,150	$ 57,021
Preferred stock, par value (in dollars per share)	$ 1	$ 1.00
Preferred stock, authorized shares (in shares)	30,000,000	30,000,000
Preferred stock, issued shares, at aggregate liquidation value (in shares)	738,400	770,120
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)	3,099,567,177	3,099,523,273
Treasury stock (in shares)	731,099,833	529,614,728
Consumer
Loans, net of unearned income	$ 330,487	$ 333,656
Corporate
Loans, net of unearned income	353,709	333,378
Fair value
Federal funds sold and resale agreements	147,701	132,949
Non-marketable equity securities, pledged to creditors	1,109	1,395
Other assets	20,788	18,559
U.S. Interest-bearing deposits, at fair value	717	303
Non U.S. Interest-bearing deposits, at fair value	758	1,162
Federal funds purchased and securities loaned or sold under agreements to repurchase, at fair value	44,510	40,638
Short-term borrowings, at fair value	4,483	4,627
Long-term debt, at fair value	38,229	31,392
Other liabilities, at fair value	15,906	13,961
Fair value | Consumer
Loans, net of unearned income	20	25
Fair value | Corporate
Loans, net of unearned income	$ 3,203	$ 4,349