Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities
Net income	$ 2,092,000	$ 1,907,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	380,000	470,000
Depreciation and amortization of premises and equipment	243,000	235,000
Amortization of capitalized servicing rights	101,000	104,000
Amortization of core deposit and other intangible assets	32,000	40,000
Provision for deferred income taxes	(38,000)	(13,000)
Asset write-downs	16,000	7,000
Net gain on sales of assets	(79,000)	(3,000)
Net change in accrued interest receivable, payable	(86,000)	(149,000)
Net change in other accrued income and expense	138,000	166,000
Net change in loans originated for sale	(3,000)	(544,000)
Net change in trading account and other non-hedging derivative assets and liabilities	(316,000)	(286,000)
Net cash from operating activities	2,480,000	1,934,000
Cash flows from investing activities
Investment securities available for sale	0	58,000
Equity and other securities	380,000	436,000
Loans	814,000	569,000
Investment securities available for sale	3,644,000	5,255,000
Investment securities held to maturity	1,480,000	844,000
Investment securities available for sale	(7,561,000)	(11,156,000)
Equity and other securities	(363,000)	(398,000)
Payments to Acquire Loans Receivable	683,000	0
Net change in loans	(2,017,000)	(2,309,000)
Net change in interest-bearing deposits at banks	2,122,000	3,652,000
Capital expenditures, net	(87,000)	(131,000)
Net change in loan servicing advances	(911,000)	186,000
Other, net	198,000	151,000
Net cash from investing activities	(2,984,000)	(2,843,000)
Cash flows from financing activities
Net change in deposits	2,330,000	1,277,000
Net change in short-term borrowings	999,000	(2,711,000)
Proceeds from long-term borrowings	3,533,000	4,003,000
Payments on long-term borrowings	(3,380,000)	(678,000)
Proceeds from issuance of Series J preferred stock	0	733,000
Redemption of Series E preferred stock	0	(350,000)
Purchases of treasury stock	(2,129,000)	(198,000)
Dividends paid — common	(671,000)	(671,000)
Dividends paid — preferred	(112,000)	(107,000)
Other, net	(25,000)	96,000
Net cash from financing activities	545,000	1,394,000
Net change in cash, cash equivalents and restricted cash	41,000	485,000
Cash, cash equivalents and restricted cash at beginning of period	1,909,000	1,731,000
Cash, cash equivalents and restricted cash at end of period	1,950,000	2,216,000
Supplemental disclosure of cash flow information
Interest received during the period	7,951,000	8,323,000
Interest paid during the period	2,722,000	3,294,000
Income taxes paid during the period	314,000	240,000
Supplemental schedule of noncash investing and financing activities
Real estate acquired in settlement of loans	13,000	30,000
Additions to right-of-use assets under operating leases	$ 75,000	$ 62,000