Consolidated Statement of Condition - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Assets:
Cash and due from banks	$ 2,546	$ 2,107
Interest-bearing deposits with banks	79,418	67,227
Securities purchased under resale agreements	5,136	3,241
Trading account assets	1,178	1,093
Investment securities available-for-sale	44,304	57,121
Investment securities held-to-maturity (fair value of $40,483 and $40,255)	41,158	40,458
Loans and leases (less allowance for losses of $54 and $54)	29,528	23,240
Premises and equipment (net of accumulated depreciation of $4,005 and $3,881)	2,194	2,186
Accrued interest and fees receivable	3,183	3,099
Goodwill	6,068	6,022
Other intangible assets	1,578	1,613
Other assets	33,995	31,018
Total assets	250,286	238,425
Deposits:
Non-interest-bearing	57,025	47,175
Interest-bearing—U.S.	55,094	50,139
Interest-bearing—non-U.S.	79,398	87,582
Total deposits	191,517	184,896
Securities sold under repurchase agreements	2,020	2,842
Other short-term borrowings	1,066	1,144
Accrued expenses and other liabilities	22,340	15,606
Long-term debt	10,944	11,620
Total liabilities	227,887	216,108
Commitments, guarantees and contingencies (Notes 9 and 10)
Shareholders’ equity:
Common stock, $1 par: 750,000,000 shares authorized; 503,879,642 and 503,879,642 shares issued	504	504
Surplus	9,796	9,799
Retained earnings	19,311	18,856
Accumulated other comprehensive income (loss)	(1,074)	(1,009)
Treasury stock, at cost (138,472,445 and 136,229,784 shares)	(9,334)	(9,029)
Total shareholders’ equity	22,399	22,317
Total liabilities and shareholders' equity	250,286	238,425
Series C Preferred Stock
Shareholders’ equity:
Preferred stock, no par: 3,500,000 shares authorized; Series C, 5,000 shares issued and outstanding, Series D, 7,500 shares issued and outstanding, Series E, 7,500 shares issued and outstanding, Series F, 7,500 shares issued and outstanding, and Series G, 5,000 shares issued and outstanding	491	491
Series D Preferred Stock
Shareholders’ equity:
Preferred stock, no par: 3,500,000 shares authorized; Series C, 5,000 shares issued and outstanding, Series D, 7,500 shares issued and outstanding, Series E, 7,500 shares issued and outstanding, Series F, 7,500 shares issued and outstanding, and Series G, 5,000 shares issued and outstanding	742	742
Series E Preferred Stock
Shareholders’ equity:
Preferred stock, no par: 3,500,000 shares authorized; Series C, 5,000 shares issued and outstanding, Series D, 7,500 shares issued and outstanding, Series E, 7,500 shares issued and outstanding, Series F, 7,500 shares issued and outstanding, and Series G, 5,000 shares issued and outstanding	728	728
Series F Preferred Stock
Shareholders’ equity:
Preferred stock, no par: 3,500,000 shares authorized; Series C, 5,000 shares issued and outstanding, Series D, 7,500 shares issued and outstanding, Series E, 7,500 shares issued and outstanding, Series F, 7,500 shares issued and outstanding, and Series G, 5,000 shares issued and outstanding	742	742
Series G Preferred Stock
Shareholders’ equity:
Preferred stock, no par: 3,500,000 shares authorized; Series C, 5,000 shares issued and outstanding, Series D, 7,500 shares issued and outstanding, Series E, 7,500 shares issued and outstanding, Series F, 7,500 shares issued and outstanding, and Series G, 5,000 shares issued and outstanding	$ 493	$ 493