CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
INTEREST INCOME:
Interest and fees on loans and leases	$ 1,192	$ 1,392	$ 2,494	$ 2,773
Interest and fees on loans held for sale, at fair value	20	15	35	26
Interest and fees on other loans held for sale	7	2	16	6
Investment securities	130	164	277	330
Interest-bearing deposits in banks	1	7	6	15
Total interest income	1,350	1,580	2,828	3,150
INTEREST EXPENSE:
Deposits	124	308	351	595
Short-term borrowed funds	0	4	1	6
Long-term borrowed funds	66	102	156	223
Total interest expense	190	414	508	824
Net interest income	1,160	1,166	2,320	2,326
Provision for credit losses	464	97	1,064	182
Net interest income after provision for credit losses	696	1,069	1,256	2,144
NONINTEREST INCOME:
Service charges and fees	84	126	202	249
Mortgage banking fees	276	62	435	105
Card fees	48	64	104	123
Capital markets fees	61	57	104	111
Trust and investment services fees	45	53	98	100
Foreign exchange and interest rate products	34	35	58	71
Letter of credit and loan fees	31	33	65	66
Securities gains, net	3	4	3	12
Net impairment losses recognized in earnings on debt securities	0	0	0	(1)
Other income	8	28	18	54
Total noninterest income	590	462	1,087	890
NONINTEREST EXPENSE:
Salaries and employee benefits	513	507	1,062	1,016
Equipment and software expense	142	126	275	251
Outside services	131	118	266	228
Occupancy	82	82	166	165
Other operating expense	111	118	222	228
Total noninterest expense	979	951	1,991	1,888
Income before income tax expense	307	580	352	1,146
Income tax expense	54	127	65	254
NET INCOME	253	453	287	892
Net income available to common stockholders	$ 225	$ 435	$ 237	$ 859
Weighted-average common shares outstanding:
Basic (in Shares)	426,613,053	458,154,335	427,165,737	459,426,685
Diluted (in Shares)	427,566,920	459,304,224	428,292,580	460,857,535
Per common share information:
Basic earnings (in dollars per share)	$ 0.53	$ 0.95	$ 0.56	$ 1.87
Diluted earnings (in Dollars per Share)	$ 0.53	$ 0.95	$ 0.55	$ 1.86