Consolidated Balance Sheets (USD $) In Millions, except Share data in Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets
Cash and due from banks	$ 1,639	$ 1,565
Interest-bearing deposits with banks	529	452
Federal funds sold and securities purchased under resale agreements or similar arrangements	157	148
Restricted cash	374	422
AFS securities at fair value ($1,393 covered by FDIC loss share at December 31, 2013)	20,907	22,104
HTM securities (fair value of $20,313 and $17,530 at December 31, 2014 and December 31, 2013, respectively)	20,240	18,101
LHFS at fair value	1,423	1,222
Loans and leases ($654 and $2,035 covered by FDIC loss share at December 31, 2014 and December 31, 2013, respectively)	119,884	115,917
ALLL	(1,474)	(1,732)
Loans and leases, net of ALLL	118,410	114,185
Premises and equipment	1,827	1,869
Goodwill	6,869	6,814
Core deposit and other intangible assets	505	569
Residential MSRs at fair value	844	1,047
Other assets ($38 and $163 of foreclosed property and other assets covered by FDIC loss share at December 31, 2014 and December 31, 2013, respectively)	13,090	14,512
Total assets	186,814	183,010
Deposits
Noninterest-bearing deposits	38,786	34,972
Interest-bearing deposits	90,254	92,503
Total deposits	129,040	127,475
Short-term borrowings	3,717	4,138
Long-term debt	23,312	21,493
Accounts payable and other liabilities	6,319	7,095
Total liabilities	162,388	160,201
Commitments and contingencies (Note 15)
Shareholders' equity
Preferred stock, $5 par, liquidation preference of $25,000 per share	2,603	2,603
Common stock, $5 par	3,603	3,533
Additional paid-in capital	6,517	6,172
Retained earnings	12,366	11,044
AOCI, net of deferred income taxes	(751)	(593)
Noncontrolling interests	88	50
Total shareholders' equity	24,426	22,809
Total liabilities and shareholders' equity	$ 186,814	$ 183,010
Common shares outstanding	720,698	706,620
Common shares authorized	2,000,000	2,000,000
Preferred shares outstanding	107	107
Preferred shares authorized	5,000	5,000