CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities
Net income	$ 229,017	$ 274,113
Adjustments to reconcile net income to net cash provided by operating activities
Provision for credit losses	32,000	38,000
Depreciation and amortization of premises and equipment	24,708	22,027
Amortization of capitalized servicing rights	17,792	15,208
Amortization of core deposit and other intangible assets	10,062	13,343
Provision for deferred income taxes	42,256	19,253
Asset write-downs	1,117	13,558
Net gain on sales of assets	(852)	(2,676)
Net change in accrued interest receivable, payable	(3,185)	(2,872)
Net change in other accrued income and expense	57,884	80,645
Net change in loans originated for sale	122,406	205,643
Net change in trading account assets and liabilities	27,893	22,156
Net cash provided by operating activities	561,098	698,398
Cash flows from investing activities
Proceeds from sales of investment securities Other	146	2,032
Proceeds from maturities of investment securities Available for sale	166,324	353,305
Proceeds from maturities of investment securities Held to maturity	92,305	79,164
Purchases of investment securities Available for sale	(1,709,847)	(14,597)
Purchases of investment securities Held to maturity	(3,238)	(6,010)
Purchases of investment securities Other	(258)	(274)
Net (increase) decrease in loans and leases	(220,551)	404,142
Net increase in interest-bearing deposits at banks	(1,648,047)	(1,174,825)
Capital expenditures, net	(16,725)	(16,671)
Net increase in loan servicing advances	(122,910)	(9,054)
Other, net	21,763	11,015
Net cash used by investing activities	(3,441,038)	(371,773)
Cash flows from financing activities
Net increase in deposits	1,581,705	(519,555)
Net decrease in short-term borrowings	(30,246)	(699,889)
Proceeds from long-term borrowings	1,498,688	799,760
Payments on long-term borrowings	(352,245)	(3,460)
Proceeds from issuance of preferred stock	346,500
Dividends paid - common	(92,406)	(90,788)
Dividends paid - preferred	(6,080)	(4,769)
Other, net	24,208	31,528
Net cash provided (used) by financing activities	2,970,124	(487,173)
Net increase (decrease) in cash and cash equivalents	90,184	(160,548)
Cash and cash equivalents at beginning of period	1,672,934	1,986,615
Cash and cash equivalents at end of period	1,763,118	1,826,067
Supplemental disclosure of cash flow information
Interest received during the period	695,653	718,296
Interest paid during the period	61,841	72,106
Income taxes paid during the period	4,789	9,545
Supplemental schedule of noncash investing and financing activities
Available for sale investment securities	29,785
Capitalized servicing rights	372
Real estate acquired in settlement of loans	$ 8,886	$ 8,244