CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Interest Income
Loans and leases, including fees	$ 1,754	$ 1,117	$ 886
Securities:
Taxable	150	117	86
Tax-exempt	28	27	29
Other	41	24	4
Total Interest Income	1,973	1,285	1,005
Interest Expense
Deposits	495	108	47
Short-term borrowings	78	25	27
Long-term borrowings	83	32	24
Total Interest Expense	656	165	98
Net Interest Income	1,317	1,120	907
Provision for credit losses	72	64	1
Net Interest Income After Provision for Credit Losses	1,245	1,056	906
Non-Interest Income
Service charges	82	86	74
Interchange and card transaction fees	52	51	48
Trust services	43	39	37
Insurance commissions and fees	23	24	25
Securities commissions and fees	28	24	22
Capital markets income	27	35	37
Mortgage banking operations	21	21	37
Dividends on non-marketable equity securities	21	12	9
Bank owned life insurance	12	12	15
Net securities gains (losses)	(67)	0	0
Other	12	19	26
Total Non-Interest Income	254	323	330
Non-Interest Expense
Salaries and employee benefits	462	426	418
Net occupancy	70	68	58
Equipment	91	76	70
Amortization of intangibles	20	14	12
Outside services	84	73	71
Marketing	17	16	14
FDIC insurance	61	20	18
Bank shares and franchise taxes	14	14	13
Merger-related	2	45	2
Other	94	74	57
Total Non-Interest Expense	915	826	733
Income Before Income Taxes	584	553	503
Income taxes	99	114	98
Net Income	485	439	405
Preferred stock dividends	8	8	8
Net Income Available to Common Stockholders	477	431	397
Net Income Available to Common Stockholders	$ 477	$ 431	$ 397
Earnings per Common Share
Basic (USD per share)	$ 1.32	$ 1.23	$ 1.24
Diluted (USD per share)	$ 1.31	$ 1.22	$ 1.23