Consolidated Statement of Condition - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Assets:
Cash and due from banks	$ 2,107	$ 1,314
Interest-bearing deposits with banks	67,227	70,935
Securities purchased under resale agreements	3,241	1,956
Trading account assets	1,093	1,024
Investment securities available-for-sale	57,121	61,998
Investment securities held-to-maturity (fair value of $40,255 and $34,994)	40,458	35,169
Loans and leases (less allowance for losses of $54 and $53)	23,240	19,704
Premises and equipment (net of accumulated depreciation of $3,881 and $3,333)	2,186	2,062
Accrued interest and fees receivable	3,099	2,644
Goodwill	6,022	5,814
Other intangible assets	1,613	1,750
Other assets	31,018	38,328
Total assets	238,425	242,698
Deposits:
Non-interest-bearing	47,175	59,397
Interest-bearing—U.S.	50,139	30,911
Interest-bearing—non-U.S.	87,582	96,855
Total deposits	184,896	187,163
Securities sold under repurchase agreements	2,842	4,400
Other short-term borrowings	1,144	1,585
Accrued expenses and other liabilities	15,606	16,901
Long-term debt	11,620	11,430
Total liabilities	216,108	221,479
Commitments, guarantees and contingencies (Notes 12 and 13)
Shareholders’ equity:
Common stock, $1 par: 750,000,000 shares authorized; 503,879,642 and 503,879,642 shares issued	504	504
Surplus	9,799	9,782
Retained earnings	18,856	17,459
Accumulated other comprehensive income (loss)	(1,009)	(2,040)
Treasury stock, at cost (136,229,784 and 121,940,502 shares)	(9,029)	(7,682)
Total shareholders’ equity	22,317	21,219
Total liabilities and shareholders' equity	238,425	242,698
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