Consolidated Balance Sheets (USD $) In Millions, except Share data in Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Assets
Cash and due from banks	$ 1,444	$ 1,975
Interest-bearing deposits with banks	740	942
Federal funds sold and securities purchased under resale agreements or similar arrangements	195	122
Restricted Cash	585	750
Trading securities at fair value	537	497
AFS securities at fair value ($1,515 and $1,591 covered by FDIC loss share at June 30, 2013 and December 31, 2012, respectively)	24,477	25,137
HTM securities (fair value of $13,445 and $13,848 at June 30, 2013 and December 31, 2012, respectively)	13,751	13,594
LHFS at fair value	2,488	3,761
Loans and leases ($2,749 and $3,294 covered by FDIC loss share at June 30, 2013 and December 31, 2012, respectively)	115,794	114,603
ALLL	(1,901)	(2,018)
Loans and leases, net of ALLL	113,893	112,585
FDIC loss share receivable	299	479
Premises and equipment	1,893	1,888
Goodwill	6,824	6,804
Core deposit and other intangible assets	620	673
Residential MSRs at fair value	892	627
Other assets ($221 and $297 of foreclosed property and other assets covered by FDIC loss share at June 30, 2013 and December 31, 2012, respectively)	14,097	14,038
Total assets	182,735	183,872
Deposits
Noninterest-bearing deposits	33,760	32,452
Interest-bearing deposits	97,319	100,623
Total deposits	131,079	133,075
Short-term borrowings	3,192	2,864
Long-term debt	19,362	19,114
Accounts payable and other liabilities	7,106	7,596
Total liabilities	160,739	162,649
Commitments and contingencies (Note 12)
Shareholders' equity
Preferred stock, $5 par, liquidation preference of $25,000 per share	2,603	2,116
Common stock, $5 par	3,515	3,499
Additional paid-in capital	6,042	5,973
Retained earnings	10,564	10,129
AOCI, net of deferred income taxes	(784)	(559)
Noncontrolling interests	56	65
Total shareholders' equity	21,996	21,223
Total liabilities and shareholders' equity	$ 182,735	$ 183,872
Common shares outstanding	702,995	699,728
Common shares authorized	2,000,000	2,000,000
Preferred shares outstanding	107	87
Preferred shares authorized	5,000	5,000