Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Interest income
Interest and fees on loans	$ 655	$ 324	$ 1,276	$ 647
Interest on investment securities	89	36	172	66
Interest on deposits at banks	13	2	19	4
Total interest income	757	362	1,467	717
Interest expense
Deposits	42	8	81	17
Borrowings	15	8	37	14
Total interest expense	57	16	118	31
Net interest income	700	346	1,349	686
(Benefit) provision for credit losses	42	(20)	506	(31)
Net interest income after provision for credit losses	658	366	843	717
Noninterest income
Rental income on operating leases	213	0	421	0
Realized gain on sales of investment securities available for sale, net	0	16	0	25
Fair value adjustment on marketable equity securities, net	(6)	12	(3)	28
Bank-owned life insurance	9	0	17	1
Gain on sales of leasing equipment, net	5	0	11	0
Gain on acquisition	0		431	0
Gain on extinguishment of debt	0	0	6	0
Other noninterest income	26	8	42	21
Total noninterest income	424	133	1,274	270
Noninterest expense
Depreciation on operating lease equipment	89	0	170	0
Maintenance and other operating lease expenses	47	0	90	0
Salaries and benefits	341	188	693	372
Net occupancy expense	48	28	97	58
Equipment expense	54	29	106	59
Professional fees	15	4	31	8
Third-party processing fees	26	14	50	28
FDIC insurance expense	9	4	21	7
Marketing	9	2	17	4
Merger-related expenses	34	6	169	13
Intangible asset amortization	6	3	12	6
Other noninterest expense	67	22	99	42
Total noninterest expense	745	300	1,555	597
Income before income taxes	337	199	562	390
Income tax expense	82	46	36	90
Net income	255	153	526	300
Preferred stock dividends	17	5	24	9
Net income available to common stockholders, basic	238	148	502	291
Net income available to common shareholders, diluted	$ 238	$ 148	$ 502	$ 291
Earnings per common share
Earnings per common share, basic (in dollars per share)	$ 14.87	$ 15.09	$ 31.52	$ 29.63
Earnings per common share, diluted (in dollars per share)	$ 14.86	$ 15.09	$ 31.48	$ 29.63
Weighted average common shares outstanding
Weighted average common shares outstanding, basic (in shares)	16,023,613	9,816,405	15,918,978	9,816,405
Weighted average common shares outstanding, diluted (in shares)	16,035,090	9,816,405	15,937,826	9,816,405
Fee income and other service charges
Noninterest income
Noninterest income	$ 39	$ 10	$ 74	$ 21
Wealth management services
Noninterest income
Noninterest income	37	32	72	64
Service charges on deposit accounts
Noninterest income
Noninterest income	28	21	56	43
Factoring commissions
Noninterest income
Noninterest income	27	0	54	0
Cardholder services, net
Noninterest income
Noninterest income	26	22	51	42
Merchant services, net
Noninterest income
Noninterest income	9	8	19	17
Insurance commissions
Noninterest income
Noninterest income	$ 11	$ 4	$ 23	$ 8