Consolidated Statement of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities
Net income	$ 439,843	$ 528,631
Adjustments to reconcile net income to net cash provided by operating activities
Provision for credit losses	109,000	138,000
Depreciation and amortization of premises and equipment	41,762	38,370
Amortization of capitalized servicing rights	28,773	26,742
Amortization of core deposit and other intangible assets	32,681	27,054
Provision for deferred income taxes	12,064	(18,201)
Asset write-downs	39,676	48,032
Net gain on sales of assets	(3,786)	(181,318)
Net change in accrued interest receivable, payable	1,731	4,035
Net change in other accrued income and expense	(35,590)	23,766
Net change in loans originated for sale	(33,964)	167,857
Net change in trading account assets and liabilities	12,438	60,210
Net cash provided by operating activities	644,628	863,178
Cash flows from investing activities
Proceeds from sales of investment securities, Available for sale	48,873	1,909,223
Proceeds from sales of investment securities, Other	45,374	71,729
Proceeds from maturities of investment securities, Available for sale	741,571	751,314
Proceeds from maturities of investment securities, Held to maturity	157,849	114,913
Purchases of investment securities, Available for sale	(19,808)	(1,609,272)
Purchases of investment securities, Held to maturity	(269,854)	(13,151)
Purchase of investment securities, Other	(13,269)	(1,249)
Net increase in loans and leases	(2,805,640)	(454,782)
Net (increase) decrease in interest-bearing deposits at banks	(914,757)	432,037
Net increase in agreements to resell securities		(365,000)
Other investments, net	(5,436)	(10,249)
Capital expenditures, net	(46,892)	(13,976)
Acquisitions, net of cash acquired Banks and bank holding companies		178,940
Purchase of Wilmington Trust Corporation preferred stock		(330,000)
Proceeds from the sales of real estate acquired in settlement of loans	64,735	161,514
Other, net	(38,849)	18,322
Net cash used by investing activities	(3,056,103)	840,313
Cash flows from financing activities
Net increase in deposits	3,162,352	566,316
Net increase (decrease) in short-term borrowings	193,515	(528,035)
Payments on long-term borrowings	(1,006,539)	(1,331,316)
Proceeds from issuance of preferred stock		495,000
Redemption of preferred stock		(370,000)
Dividends paid - common	(179,446)	(173,135)
Dividends paid - preferred	(26,725)	(20,046)
Other, net	238,752	56,885
Net cash provided (used) by financing activities	2,381,909	(1,304,331)
Net increase (decrease) in cash and cash equivalents	(29,566)	399,160
Cash and cash equivalents at beginning of period	1,452,397	933,755
Cash and cash equivalents at end of period	1,422,831	1,332,915
Supplemental disclosure of cash flow information
Interest received during the period	1,457,310	1,366,981
Interest paid during the period	192,666	205,514
Income taxes paid during the period	204,249	266,240
Supplemental schedule of noncash investing and financing activities
Real estate acquired in settlement of loans	26,623	45,774
Acquisitions: Fair value of:
Assets acquired (noncash)		10,666,102
Liabilities assumed		10,044,555
Common stock issued		405,557
Retirement of Wilmington Trust Corporation preferred stock		$ 330,000