CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
INTEREST INCOME:
Interest and fees on loans and leases	$ 1,048	$ 1,061
Interest and fees on loans held for sale	16	18
Interest and fees on other loans held for sale	7	6
Investment securities	138	128
Interest-bearing deposits in banks	4	3
Total interest income	1,213	1,216
INTEREST EXPENSE:
Deposits	25	50
Long-term borrowed funds	41	49
Total interest expense	66	99
Net interest income	1,147	1,117
Provision (benefit) for credit losses	3	(140)
Net interest income after provision (benefit) for credit losses	1,144	1,257
NONINTEREST INCOME:
Capital markets fees	93	81
Service charges and fees	98	99
Mortgage banking fees	69	165
Card fees	60	55
Trust and investment services fees	61	58
Letter of credit and loan fees	38	38
Foreign exchange and derivative products	51	28
Securities gains, net	4	3
Other income	24	15
Total noninterest income	498	542
NONINTEREST EXPENSE:
Salaries and employee benefits	594	548
Equipment and software	150	152
Outside services	169	139
Occupancy	83	88
Other operating expense	110	91
Total noninterest expense	1,106	1,018
Income before income tax expense	536	781
Income tax expense	116	170
NET INCOME	420	611
Net income available to common stockholders	$ 396	$ 588
Weighted-average common shares outstanding:
Basic (in Shares)	422,401,747	425,953,716
Diluted (in Shares)	424,670,871	427,880,530
Per common share information:
Basic earnings (in dollars per share)	$ 0.94	$ 1.38
Diluted earnings (in dollars per Share)	$ 0.93	$ 1.37