CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
INTEREST INCOME:
Interest and fees on loans and leases	$ 1,381	$ 1,146
Interest and fees on loans held for sale, at fair value	11	4
Interest and fees on other loans held for sale	4	4
Investment securities	166	168
Interest-bearing deposits in banks	8	6
Total interest income	1,570	1,328
INTEREST EXPENSE:
Deposits	287	145
Federal funds purchased and securities sold under agreements to repurchase	2	1
Other short-term borrowed funds	0	2
Long-term borrowed funds	121	89
Total interest expense	410	237
Net interest income	1,160	1,091
Provision for credit losses	85	78
Net interest income after provision for credit losses	1,075	1,013
NONINTEREST INCOME:
Service charges and fees	123	124
Card fees	59	61
Capital markets fees	54	39
Trust and investment services fees	47	40
Mortgage banking fees	43	25
Letter of credit and loan fees	33	30
Foreign exchange and interest rate products	36	27
Securities gains, net	8	8
Net impairment losses recognized in earnings on debt securities	(1)	(1)
Other income	26	18
Total noninterest income	428	371
NONINTEREST EXPENSE:
Salaries and employee benefits	509	470
Equipment and software expense	125	113
Outside services	110	99
Occupancy	83	81
Other operating expense	110	120
Total noninterest expense	937	883
Income before income tax expense	566	501
Income tax expense	127	113
NET INCOME	439	388
Net income available to common stockholders	$ 424	$ 381
Weighted-average common shares outstanding:
Basic (in Shares)	460,713,172	487,500,618
Diluted (in Shares)	462,520,680	489,266,826
Per common share information:
Basic earnings (in dollars per share)	$ 0.92	$ 0.78
Diluted earnings (in Dollars per Share)	$ 0.92	$ 0.78