Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 1,058	$ 1,438
Adjustments to reconcile net income to cash provided by operating activities:
Provision for credit losses	269	159
Deferred tax benefit	(74)	(183)
Depreciation, amortization, and accretion, net	193	(6)
Fair value adjustment on marketable equity securities, net	3	6
Gain on sale of loans, net	(4)	(3)
Gain on sale of operating lease equipment, net	(13)	(14)
Loss (gain) on other real estate owned, net	7	(3)
Loss on extinguishment of debt	0	2
Origination of loans held for sale	(678)	(547)
Proceeds from sale of loans held for sale	771	535
Impairment of premises and equipment	5	0
Net change in other assets	(241)	(268)
Net change in other liabilities	(290)	(224)
Other operating activities	(49)	(14)
Net cash provided by operating activities	957	878
CASH FLOWS FROM INVESTING ACTIVITIES
Net (increase) decrease in interest-earning deposits at banks	(4,820)	8,248
Purchases of investment securities available for sale	(2,910)	(10,757)
Proceeds from maturities of investment securities available for sale	2,972	2,729
Proceeds from sales of investment securities available for sale	1,196	695
Purchases of investment securities held to maturity	(218)	(791)
Proceeds from maturities of investment securities held to maturity	282	249
Net (increase) decrease in securities purchased under agreements to resell	(142)	81
Net increase in loans	(1,320)	(6,190)
Proceeds from sales of loans	146	218
Net increase in credit balances of factoring clients	127	86
Purchases of operating lease equipment	(385)	(428)
Proceeds from sales of operating lease equipment	124	103
Purchases of premises and equipment	(229)	(195)
Proceeds from sales of other real estate owned	10	11
Other investing activities	(272)	(169)
Net cash used in investing activities	(5,439)	(6,110)
CASH FLOWS FROM FINANCING ACTIVITIES
Net decrease in time deposits	(2,010)	(1,261)
Net increase in demand and other interest-bearing deposits	6,885	6,568
Net increase (decrease) in securities sold under agreements to repurchase	104	(99)
Repayment of long-term borrowings	(352)	(32)
Proceeds from issuance of long-term borrowings	1,242	0
Repurchase of Class A common stock	(1,231)	0
Cash dividends paid	(82)	(78)
Other financing activities	1	(10)
Net cash provided by financing activities	4,557	5,088
Change in cash and due from banks	75	(144)
Cash and due from banks at beginning of period	814	908
Cash and due from banks at end of period	889	764
Cash paid during the period for:
Interest	2,422	2,618
Income taxes	171	703
Significant non-cash investing and financing activities:
Transfers of loans to other real estate	54	0
Net settlement with FDIC for Purchase Money Note	0	80
Transfer of assets from held for investment to held for sale	286	236
Commitments extended during the period on affordable housing investment credits	$ 197	$ 323