Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Interest income
Loans and leases	$ 2,206	$ 2,236
Investment securities	384	414
Deposits at banks	196	245
Total interest income	2,786	2,895
Interest expense
Deposits	833	893
Borrowings	332	339
Total interest expense	1,165	1,232
Net interest income	1,621	1,663
Provision for credit losses	72	154
Net interest income after provision for credit losses	1,549	1,509
Noninterest income
Rental income on operating lease equipment	281	270
Fair value adjustment on marketable equity securities, net	3	(5)
Gain on sale of leasing equipment, net	11	5
Loss on extinguishment of debt	(8)	0
Other noninterest income	38	14
Total noninterest income	692	635
Noninterest expense
Depreciation on operating lease equipment	101	98
Maintenance and other operating lease expenses	65	58
Personnel cost	869	818
Net occupancy expense	60	58
Equipment expense	136	136
Professional fees	24	25
Third-party processing fees	93	63
FDIC insurance expense	38	38
Marketing expense	30	32
Acquisition-related expenses	5	42
Intangible asset amortization	13	15
Other noninterest expense	102	110
Total noninterest expense	1,536	1,493
Income before income taxes	705	651
Income tax expense	171	168
Net income	534	483
Preferred stock dividends	26	15
Net income available to common stockholders, basic	508	468
Net income available to common shareholders, diluted	$ 508	$ 468
Earnings per common share
Basic (in dollars per share)	$ 42.63	$ 34.47
Diluted (in dollars per share)	$ 42.63	$ 34.47
Weighted average common shares outstanding
Basic (in shares)	11,924,899	13,575,231
Diluted (in shares)	11,924,899	13,575,231
Lending-related fees
Noninterest income
Noninterest income	$ 69	$ 66
Deposit fees and service charges
Noninterest income
Noninterest income	70	58
Client investment fees
Noninterest income
Noninterest income	53	53
Wealth management services
Noninterest income
Noninterest income	59	56
International fees
Noninterest income
Noninterest income	35	32
Factoring commissions
Noninterest income
Noninterest income	17	17
Cardholder services, net
Noninterest income
Noninterest income	38	41
Merchant services, net
Noninterest income
Noninterest income	13	14
Insurance commissions
Noninterest income
Noninterest income	$ 13	$ 14