CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
INTEREST INCOME:
Interest and fees on loans and leases	$ 1,058	$ 1,192	$ 2,119	$ 2,494
Interest and fees on loans held for sale, at fair value	24	20	42	35
Interest and fees on other loans held for sale	2	7	8	16
Investment securities	124	130	252	277
Interest-bearing deposits in banks	3	1	6	6
Total interest income	1,211	1,350	2,427	2,828
INTEREST EXPENSE:
Deposits	42	124	92	351
Short-term borrowed funds	0	0	0	1
Long-term borrowed funds	45	66	94	156
Total interest expense	87	190	186	508
Net interest income	1,124	1,160	2,241	2,320
Provision for credit losses	(213)	464	(353)	1,064
Net interest income after provision for credit losses	1,337	696	2,594	1,256
NONINTEREST INCOME:
Mortgage banking fees	85	276	250	435
Service charges and fees	100	84	199	202
Capital markets fees	91	61	172	104
Card fees	64	48	119	104
Trust and investment services fees	60	45	118	98
Letter of credit and loan fees	38	31	76	65
Foreign exchange and interest rate products	28	34	56	58
Securities gains, net	3	3	6	3
Other income	16	8	31	18
Total noninterest income	485	590	1,027	1,087
NONINTEREST EXPENSE:
Salaries and employee benefits	524	513	1,072	1,062
Equipment and software	155	142	307	275
Outside services	137	131	276	266
Occupancy	82	82	170	166
Other operating expense	93	111	184	222
Total noninterest expense	991	979	2,009	1,991
Income before income tax expense	831	307	1,612	352
Income tax expense	183	54	353	65
NET INCOME	648	253	1,259	287
Net income available to common stockholders	$ 616	$ 225	$ 1,204	$ 237
Weighted-average common shares outstanding:
Basic (in Shares)	425,948,706	426,613,053	425,951,197	427,165,737
Diluted (in Shares)	427,561,572	427,566,920	427,668,242	428,292,580
Per common share information:
Basic earnings (in dollars per share)	$ 1.45	$ 0.53	$ 2.83	$ 0.56
Diluted earnings (in Dollars per Share)	$ 1.44	$ 0.53	$ 2.81	$ 0.55