Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net income	$ 1,226,292	$ 1,400,778
Adjustments to reconcile net income to net cash provided by operating activities
Provision for credit losses	427,000	(60,000)
Depreciation and amortization of premises and equipment	219,737	169,232
Amortization of capitalized servicing rights	75,165	66,000
Amortization of core deposit and other intangible assets	38,024	8,213
Provision for deferred income taxes	(89,413)	70,190
Asset write-downs	7,358	5,046
Net gain on sales of assets	(14,583)	(15,260)
Net change in accrued interest receivable, payable	(58,629)	20,395
Net change in other accrued income and expense	(71,004)	50,804
Net change in loans originated for sale	560,861	(117,139)
Net change in trading account and non-hedging derivative assets and liabilities	1,299,313	419,772
Net cash provided by operating activities	3,620,121	2,018,031
Cash flows from investing activities
Proceeds from sales of investment securities equity and other	42,999	8,937
Proceeds from maturities of investment securities Available for sale	641,573	1,139,203
Proceeds from maturities of investment securities Held to maturity	1,053,989	476,352
Purchases of investment securities Available for sale	(7,219,785)	(5,389)
Purchases of investment securities Held to maturity	(796,312)	(1,087,656)
Purchases of investment securities equity and other	(155,290)	(27,270)
Net (increase) decrease in loans and leases	(58,942)	4,977,272
Net (increase) decrease in interest-bearing deposits at banks	25,674,122	(14,781,978)
Capital expenditures, net	(126,810)	(87,165)
Net (increase) decrease in loan servicing advances	1,324,912	(402,175)
Acquisition, net of cash consideration, Bank and bank holding company	393,923
Other, net	(516,504)	(388,305)
Net cash provided (used) by investing activities	20,257,875	(10,178,174)
Cash flows from financing activities
Net increase (decrease) in deposits	(20,663,949)	8,895,558
Net increase (decrease) in short-term borrowings	(24,111)	44,066
Proceeds from long-term borrowings	499,250	9,500
Payments on long-term borrowings	(907,191)	(853,041)
Purchases of treasury stock	(1,200,000)
Dividends paid — common	(578,968)	(425,541)
Dividends paid — preferred	(80,600)	(55,388)
Proceeds from issuance of Series I preferred stock		495,000
Other, net	(4,194)	(23,042)
Net cash provided (used) by financing activities	(22,959,763)	8,087,112
Net increase (decrease) in cash, cash equivalents and restricted cash	918,233	(73,031)
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	2,255,810	1,479,712
Supplemental disclosure of cash flow information
Interest received during the period	4,145,231	2,976,574
Interest paid during the period	214,552	116,402
Income taxes paid during the period	362,866	278,783
Supplemental schedule of noncash investing and financing activities
Real estate acquired in settlement of loans	21,017	6,822
Additions to right-of-use assets under operating leases	99,705	34,404
Loans held for sale transferred to loans held for investment		$ 330,188
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