CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Federal funds sold and resale agreements	$ 232,478	$ 236,813
Trading account assets, pledged to creditors	99,460	80,986
Available-for-sale securities, pledged to creditors	9,493	8,239
Held-to-maturity securities, pledged to creditors	435	843
Loans, net of unearned income	667,034	624,369
Other assets	105,160	128,008
U.S. Interest-bearing deposits, at fair value	318,613	300,972
Non U.S. Interest-bearing deposits, at fair value	426,889	414,120
Federal funds purchased and securities loaned or sold under agreements to repurchase, at fair value	156,277	141,821
Short-term borrowings, at fair value	44,452	30,701
Long-term debt, at fair value	236,709	206,178
Other liabilities, at fair value	$ 58,144	$ 61,631
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)	770,120	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)	3,099,523,273	3,099,482,042
Treasury stock (in shares)	529,614,728	327,090,192
Consumer
Loans, net of unearned income	$ 333,656	$ 325,063
Corporate
Loans, net of unearned income	333,378	299,306
Fair value
Federal funds sold and resale agreements	132,949	133,204
Non-marketable equity securities, pledged to creditors	1,206	1,774
Other assets	19,793	15,729
U.S. Interest-bearing deposits, at fair value	303	434
Non U.S. Interest-bearing deposits, at fair value	1,162	778
Federal funds purchased and securities loaned or sold under agreements to repurchase, at fair value	40,638	33,663
Short-term borrowings, at fair value	4,627	2,700
Long-term debt, at fair value	31,392	26,254
Other liabilities, at fair value	15,084	10,796
Fair value | Consumer
Loans, net of unearned income	25	29
Fair value | Corporate
Loans, net of unearned income	$ 4,349	$ 3,457