CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
INTEREST INCOME:
Interest and fees on loans and leases	$ 5,968	$ 4,253	$ 4,719
Interest and fees on loans held for sale	67	82	75
Interest and fees on other loans held for sale	57	13	33
Investment securities	840	487	519
Interest-bearing deposits in banks	128	16	11
Total interest income	7,060	4,851	5,357
INTEREST EXPENSE:
Deposits	651	160	509
Short-term borrowed funds	23	1	2
Long-term borrowed funds	374	178	260
Total interest expense	1,048	339	771
Net interest income	6,012	4,512	4,586
Provision (benefit) for credit losses	474	(411)	1,616
Net interest income after provision (benefit) for credit losses	5,538	4,923	2,970
NONINTEREST INCOME:
Service charges and fees	420	409	403
Capital markets fees	368	428	250
Card fees	273	250	217
Mortgage banking fees	261	434	915
Trust and investment services fees	249	239	203
Foreign exchange and derivative products	188	120	120
Letter of credit and loan fees	159	156	140
Securities gains, net	9	10	4
Other income	82	89	67
Total noninterest income	2,009	2,135	2,319
NONINTEREST EXPENSE:
Salaries and employee benefits	2,549	2,132	2,123
Outside services	700	595	553
Equipment and software	648	610	565
Occupancy	410	333	331
Other operating expense	585	411	419
Total noninterest expense	4,892	4,081	3,991
Income before income tax expense	2,655	2,977	1,298
Income tax expense	582	658	241
NET INCOME	2,073	2,319	1,057
Net income available to common stockholders	$ 1,960	$ 2,206	$ 950
Weighted-average common shares outstanding:
Basic (in shares)	475,959,815	425,669,451	427,062,537
Diluted (in shares)	477,803,142	427,435,818	428,157,780
Per common share information:
Basic earnings (in dollars per share)	$ 4.12	$ 5.18	$ 2.22
Diluted earnings (in dollars per share)	$ 4.10	$ 5.16	$ 2.22