CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Operating Activities
Net income		$ 2,194		$ 1,560		$ 1,706
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for (benefit from) loan and lease losses		261		343		396
Depreciation, amortization and accretion		341		453		441
Stock-based compensation expense		118		111		100
(Benefit from) provision for deferred income taxes		(251)		(148)		(71)
Securities gains, net		(3)		(7)		(5)
Securities gains, net - non-qualifying hedges on mortgage servicing rights		(2)		0		0
MSR Fair Value Adjustment	[1]	(122)		0		0
(Recovery of) provision for MSR impairment	[1]	0		(7)		(4)
Net gains on sales of loans and fair value adjustments on loans held for sale		(108)		(101)		(98)
Net losses on disposition and impairment of bank premises and equipment		0		(13)		(101)
Gain on sale of certain retail branch operations		0		(19)		0
Net losses on disposition and impairment of operating lease equipment		(39)		(9)		(33)
Gain on sale of Vantiv, Inc. shares		(1,037)		0		(331)
Gain on the TRA associated with Vantiv, Inc.		(44)		(197)		(31)
Proceeds from sales of loans held for sale		6,453		6,895		5,102
Loans originated or purchased for sale, net of repayments		(6,054)		(7,014)		(5,142)
Dividends representing return on equity method investments		46		28		25
Net change in:
Trading securities		(442)		(23)		(34)
Other assets		(23)		351		94
Accrued taxes, interest and expenses		(138)		(157)		327
Other liabilities		22		24		(191)
Net Cash Provided by (Used in) Operating Activities		1,494		2,114		2,418
Proceeds from sales:
Available-for-sale and other securities		12,637		18,280		16,828
Loans		164		360		741
Bank premises and equipment		40		82		37
Proceeds from repayments / maturities:
Available-for-sale and other securities		2,331		3,776		2,865
Held-to-maturity securities		3		44		117
Purchases:
Available-for-sale and other securities		(15,295)		(24,636)		(26,733)
Bank premises and equipment		(200)		(186)		(164)
MSRs		(109)		0		0
Proceeds from sale and dividends representing return of equity method investments		1,363		64		458
Net cash paid on sale of certain retail branch operations		0		(219)		0
Net cash paid on acquisitions		(44)		0		0
Net change in:
Other short-term investments		1		(83)		5,243
Loans and leases		(446)		(243)		(3,238)
Operating lease equipment		(31)		(126)		(85)
Net Cash (Used in) Provided by Investing Activities		414		(2,887)		(3,931)
Net change in:
Deposits		(659)		1,146		1,493
Federal funds purchased		42		(19)		7
Other short-term borrowings		477		2,028		(49)
Dividends paid on common stock		(430)		(402)		(422)
Dividends paid on preferred stock		(75)		(52)		(75)
Proceeds from issuance of long-term debt		2,490		3,735		3,091
Repayment of long-term debt		(1,969)		(5,119)		(2,205)
Repurchase of treasury stock and related forward contract		1,605		661		850
Other		(57)		(31)		(28)
Net Cash Provided (Used in) by Financing Activities		(1,786)		625		962
Increase (Decrease) in Cash and Due from Banks		122		(148)		(551)
Cash and Due from Banks at Beginning of Period		2,392	[2]	2,540		3,091
Cash and Due from Banks at End of Period		$ 2,514	[2]	$ 2,392	[2]	$ 2,540

[1] Included in mortgage banking net revenue in the Consolidated Statements of Income.

[2] Includes $ 0 and $ 85 of cash and due from banks, $ 62 and $ 0 of other short-term investments, $ 1,297 and $ 1,216 of portfolio loans and leases, $ (6) and $ (26) of ALLL, $ 7 and $ 9 of other assets, $ 2 and $ 3 of other liabilities and $ 1,190 and $ 1,094 of long-term debt from consolidated VIEs that are included in their respective captions above at December 31, 2017 and 2016 , respectively. For further information, refer to Note 11 .