Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 2,206	$ 2,777	$ 11,466
Adjustments to reconcile net income to cash provided by operating activities:
Provision for credit losses	514	431	1,375
Deferred tax (benefit) expense	(111)	6	(165)
Depreciation, amortization, and accretion, net	405	130	(57)
Stock based compensation expense	0	0	5
Realized (gain) loss on sale of investment securities, net	(3)	(6)	26
Fair value adjustment on marketable equity securities, net	(22)	(13)	11
(Gain) loss on sale of loans, net	(21)	(7)	2
Gain on sale of operating lease equipment, net	(30)	(30)	(20)
Gain on other real estate owned, net	(2)	(7)	(4)
Gain on acquisition	0	0	(9,808)
Loss on extinguishment of debt	9	2	0
Origination of loans held for sale	(1,401)	(1,078)	(740)
Proceeds from sale of loans held for sale	1,553	1,289	693
Impairment of premises and equipment and other assets	6	22	70
Net change in other assets	(282)	(495)	206
Net change in other liabilities	170	(34)	(379)
Other operating activities	(68)	1	(21)
Net cash provided by operating activities	2,923	2,988	2,660
CASH FLOWS FROM INVESTING ACTIVITIES
Net decrease in interest-earning deposits at banks	1,563	12,245	5,416
Purchases of marketable equity securities	(5)	(6)	0
Proceeds from sales of investments in marketable equity securities	1	15	0
Purchases of investment securities available for sale	(13,969)	(22,490)	(12,839)
Proceeds from maturities of investment securities available for sale	12,989	7,445	2,084
Proceeds from sales of investment securities available for sale	3,817	1,493	495
Purchases of investment securities held to maturity	(389)	(792)	(213)
Proceeds from maturities of investment securities held to maturity	1,010	562	545
Net (increase) decrease in securities purchased under agreements to resell	(74)	315	(473)
Net (increase) decrease in loans	(9,111)	(7,484)	6,057
Proceeds from sales of loans	399	354	317
Net decrease (increase) in credit balances of factoring clients	212	(73)	94
Purchases of operating lease equipment	(852)	(1,106)	(1,023)
Proceeds from sales of operating lease equipment	285	250	243
Purchases of premises and equipment	(710)	(429)	(405)
Proceeds from sales of other real estate owned	29	19	19
Cash acquired, net of cash paid as consideration for acquisition	0	0	810
Proceeds from surrender of bank-owned life insurance policies	0	0	1,094
Other investing activities	(806)	(473)	208
Net cash (used in) provided by investing activities	(5,611)	(10,155)	2,429
CASH FLOWS FROM FINANCING ACTIVITIES
Net (decrease) increase in time deposits	(2,015)	(3,169)	5,634
Net increase (decrease) in demand and other interest-bearing deposits	8,539	12,630	(5,369)
Net (decrease) increase in securities sold under agreements to repurchase	(143)	(118)	39
Repayment of short-term borrowings	0	0	(2,250)
Proceeds from issuance of short-term borrowings	0	0	500
Repayment of long-term borrowings	(2,850)	(450)	(13,120)
Net proceeds from issuance of long-term borrowings	1,838	0	9,991
Net proceeds from issuance of preferred stock	494	0	0
Repurchase of Class A common stock	(3,027)	(1,648)	0
Cash dividends paid	(161)	(158)	(117)
Other financing activities	0	(14)	(7)
Net cash provided by (used in) financing activities	2,675	7,073	(4,699)
Change in cash and due from banks	(13)	(94)	390
Cash and due from banks at beginning of period	814	908	518
Cash and due from banks at end of period	801	814	908
Cash paid during the period for:
Interest	4,810	5,079	3,686
Income taxes	315	763	514
Significant non-cash investing and financing activities:
Transfers of loans to other real estate	86	0	0
Net settlement with FDIC for Purchase Money Note	0	80	0
Transfer of assets from held for investment to held for sale	1,296	606	336
Transfer of assets from held for sale to held for investment	31	0	0
Commitments extended during the period on affordable housing investment credits	648	710	224
Purchase Money Note as consideration for SVBB Acquisition	$ 0	$ 0	$ 35,808