Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Net income	$ 579,696	$ 905,318
Adjustments to reconcile net income to net cash provided by operating activities
Provision for credit losses	312,000	(40,000)
Depreciation and amortization of premises and equipment	134,949	113,459
Amortization of capitalized servicing rights	50,998	40,147
Amortization of core deposit and other intangible assets	19,640	5,475
Provision for deferred income taxes	(77,346)	55,153
Asset write-downs	3,469	3,243
Net gain on sales of assets	(10,856)	(12,845)
Net change in accrued interest receivable, payable	10,834	(1,048)
Net change in other accrued income and expense	(32,412)	(50,200)
Net change in loans originated for sale	571,879	172,617
Net change in trading account and non-hedging derivative assets and liabilities	920,288	340,392
Net cash provided by operating activities	2,483,139	1,531,711
Cash flows from investing activities
Proceeds from sales of investment securities equity and other	26,286	5,268
Proceeds from maturities of investment securities Available for sale	467,788	811,795
Proceeds from maturities of investment securities Held to maturity	572,192	335,976
Purchases of investment securities Available for sale	(4,588,013)	(2,137)
Purchases of investment securities Held to maturity	(796,312)	(305,633)
Purchases of investment securities equity and other	(26,505)	(19,299)
Net (increase) decrease in loans and leases	(265,684)	1,172,249
Net (increase) decrease in interest-bearing deposits at banks	17,628,196	(10,201,014)
Capital expenditures, net	(87,742)	(44,459)
Net (increase) decrease in loan servicing advances	1,039,029	(417,629)
Acquisition, net of cash consideration, Bank and bank holding company	393,923
Other, net	(324,594)	(317,489)
Net cash provided (used) by investing activities	14,038,564	(8,982,372)
Cash flows from financing activities
Net increase (decrease) in deposits	(14,151,849)	8,463,034
Net increase (decrease) in short-term borrowings	(72,595)	31,753
Payments on long-term borrowings	(900,096)	(852,992)
Purchases of treasury stock	(600,000)
Dividends paid — common	(369,822)	(283,791)
Dividends paid — preferred	(47,046)	(34,100)
Other, net	(29,598)	(15,518)
Net cash provided (used) by financing activities	(16,171,006)	7,308,386
Net increase (decrease) in cash, cash equivalents and restricted cash	350,697	(142,275)
Cash, cash equivalents and restricted cash at beginning of period	1,337,577	1,552,743
Cash, cash equivalents and restricted cash at end of period	1,688,274	1,410,468
Supplemental disclosure of cash flow information
Interest received during the period	2,416,362	1,976,059
Interest paid during the period	86,713	79,841
Income taxes paid during the period	231,687	204,259
Supplemental schedule of noncash investing and financing activities
Real estate acquired in settlement of loans	8,800	3,968
Additions to right-of-use assets under operating leases	31,013	$ 18,182
Acquisition of bank and bank holding company, Common stock issued	8,286,515
Acquisition of bank and bank holding company, Common stock awards converted	104,810
Fair value of Assets acquired (noncash)	63,757,316
Fair value of Liabilities assumed	55,499,314
Fair value of Preferred stock converted	$ 260,600