Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
ASSETS
Cash and due from banks	$ 1,124,673	$ 1,224,350
Money market investments:
Interest-bearing deposits	7,887,175	7,020,895
Federal funds sold and security resell agreements	83,529	102,159
Investment securities:
Held-to-maturity, at adjusted cost (approximate fair value $715,710 and $729,974)	773,016	807,804
Available-for-sale, at fair value	3,167,590	3,230,795
Trading account, at fair value	20,539	40,273
Marketable securities, total	3,961,145	4,078,872
Loans held for sale	139,245	201,590
Loans, net of unearned income and fees:
Loans and leases	36,231,104	36,393,782
FDIC-supported loans	642,246	750,870
Total loans, net of unearned	36,873,350	37,144,652
Less allowance for loan losses	971,716	1,049,958
Loans, net of allowance	35,901,634	36,094,694
Other noninterest-bearing investments	867,882	865,231
Premises and equipment, net	714,913	719,276
Goodwill	1,015,129	1,015,129
Core deposit and other intangibles	59,277	67,830
Other real estate owned	144,816	153,178
Other assets	1,507,594	1,605,905
Total assets	53,407,012	53,149,109
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest-bearing demand	16,498,248	16,110,857
Interest-bearing:
Savings and NOW	7,505,841	7,159,101
Money market	14,439,389	14,616,740
Time	3,211,942	3,413,550
Foreign	1,504,827	1,575,361
Total deposits	43,160,247	42,875,609
Securities sold, not yet purchased	104,882	44,486
Federal funds purchased and security repurchase agreements	759,591	608,098
Other short-term borrowings	7,621	70,273
Long-term debt	2,274,571	1,954,462
Reserve for unfunded lending commitments	103,586	102,422
Other liabilities	507,151	510,531
Total liabilities	46,917,649	46,165,881
Shareholders' equity:
Preferred stock, without par value, authorized 4,400,000 shares	1,800,473	2,377,560
Common stock, without par value; authorized 350,000,000 shares; issued and outstanding 184,117,522 and 184,135,388 shares	4,157,525	4,163,242
Retained earnings	1,110,120	1,036,590
Accumulated other comprehensive income (loss)	(576,147)	(592,084)
Controlling interest shareholders' equity	6,491,971	6,985,308
Noncontrolling interests	(2,608)	(2,080)
Total shareholders' equity	6,489,363	6,983,228
Total liabilities and shareholders' equity	$ 53,407,012	$ 53,149,109