Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net Income (Loss)	$ 1,568,658	$ 579,696
Adjustments to reconcile net income to net cash provided by operating activities
Provision for credit losses	270,000	312,000
Depreciation and amortization of premises and equipment	148,806	134,949
Amortization of capitalized servicing rights	57,442	50,998
Amortization of core deposit and other intangible assets	32,153	19,640
Provision for deferred income taxes	(6,687)	(77,346)
Asset write-downs	1,337	3,469
Net gain on sales of assets	(234,388)	(10,856)
Net change in accrued interest receivable, payable	259,115	10,834
Net change in other accrued income and expense	(72,168)	(32,412)
Net change in loans originated for sale	(339,702)	571,879
Net change in trading account and other non-hedging derivative assets and liabilities	521	920,288
Net cash provided by operating activities	1,685,087	2,483,139
Cash flows from investing activities
Proceeds from sales of investment securities equity and other	614,355	26,286
Proceeds from maturities of investment securities Available for sale	298,136	467,788
Proceeds from maturities of investment securities Held to maturity	570,742	572,192
Purchases of investment securities Available for sale	(343,946)	(4,588,013)
Purchases of investment securities Held to maturity	(2,947,627)	(796,312)
Purchases of investment securities equity and other	(872,516)	(26,505)
Net increase in loans and leases	(1,645,467)	(265,684)
Net (increase) decrease in interest-bearing deposits at banks	(2,148,180)	17,628,196
Capital expenditures, net	(101,379)	(87,742)
Net decrease in loan servicing advances	285,706	1,039,029
Acquisition, net of cash consideration, Bank and bank holding company		393,923
Other, net	(359,299)	(324,594)
Net cash provided (used) by investing activities	(6,649,475)	14,038,564
Cash flows from financing activities
Net decrease in deposits	(1,454,879)	(14,151,849)
Net increase (decrease) in short-term borrowings	4,352,933	(72,595)
Proceeds from long-term borrowings	3,485,675
Payments on long-term borrowings	(194)	(900,096)
Purchases of treasury stock	(594,000)	(600,000)
Dividends paid — common	(436,369)	(369,822)
Dividends paid — preferred	(49,881)	(47,046)
Other, net	(10,755)	(29,598)
Net cash provided (used) by financing activities	5,292,530	(16,171,006)
Net increase in cash, cash equivalents and restricted cash	328,142	350,697
Cash, cash equivalents and restricted cash at beginning of period	1,520,244	1,337,577
Cash, cash equivalents and restricted cash at end of period	1,848,386	1,688,274
Supplemental disclosure of cash flow information
Interest received during the period	4,813,949	2,416,362
Interest paid during the period	922,988	86,713
Income taxes paid during the period	329,200	231,687
Supplemental schedule of noncash investing and financing activities
Real estate acquired in settlement of loans	11,612	8,800
Additions to right-of-use assets under operating leases	$ 68,672	31,013
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