Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
ASSETS
Cash and due from banks	$ 1,175,083	$ 1,841,907
Money market investments:
Interest-bearing deposits	8,175,048	5,978,978
Federal funds sold and security resell agreements	282,248	2,775,354
Investment securities:
Held-to-maturity, at adjusted cost (approximate fair value $609,547 and $674,741)	588,981	756,909
Available-for-sale, at fair value	3,701,886	3,091,310
Trading account, at fair value	34,559	28,290
Marketable securities, total	4,325,426	3,876,509
Loans held for sale	171,328	251,651
Loans, net of unearned income and fees:
Loans and leases	38,693,094	37,137,006
FDIC-supported loans	350,271	528,241
Total loans, net of unearned	39,043,365	37,665,247
Less allowance for loan losses	746,291	896,087
Loans, net of allowance	38,297,074	36,769,160
Other noninterest-bearing investments	855,642	855,462
Premises and equipment, net	726,372	708,882
Goodwill	1,014,129	1,014,129
Core deposit and other intangibles	36,444	50,818
Other real estate owned	46,105	98,151
Other assets	926,228	1,290,917
Total assets	56,031,127	55,511,918
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest-bearing demand	18,758,753	18,469,458
Interest-bearing:
Savings and Money Market	23,029,928	22,896,624
Time	2,593,038	2,962,931
Foreign	1,980,161	1,804,060
Total deposits	46,361,880	46,133,073
Securities sold, not yet purchased	73,606	26,735
Federal funds purchased and security repurchase agreements	266,742	320,478
Other short-term borrowings	0	5,409
Long-term debt	2,273,575	2,337,113
Reserve for unfunded lending commitments	89,705	106,809
Other liabilities	501,056	533,660
Total liabilities	49,566,564	49,463,277
Shareholders' equity:
Preferred stock, without par value, authorized 4,400,000 shares	1,003,970	1,128,302
Common stock, without par value; authorized 350,000,000 shares; issued and outstanding 184,677,696 and 184,199,198 shares	4,179,024	4,166,109
Retained earnings	1,473,670	1,203,815
Accumulated Other Comprehensive Income (Loss), Net of Tax	(192,101)	(446,157)
Controlling interest shareholders' equity	6,464,563	6,052,069
Noncontrolling interests	0	(3,428)
Total shareholders' equity	6,464,563	6,048,641
Total liabilities and shareholders' equity	$ 56,031,127	$ 55,511,918