Consolidated Statement of Income (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Interest income
Loans and leases	$ 2,006	$ 2,097
Investment securities:
Fully taxable	321	212
Exempt from federal taxes	15	16
Deposits at banks	218	419
Other	0	1
Total interest income	2,560	2,745
Interest expense
Savings and interest-checking deposits	552	615
Time deposits	124	225
Short-term borrowings	32	84
Long-term borrowings	157	141
Total interest expense	865	1,065
Net interest income	1,695	1,680
Provision for credit losses	130	200
Net interest income after provision for credit losses	1,565	1,480
Other income
Mortgage banking revenues	118	104
Service charges on deposit accounts	133	124
Trust income	177	160
Brokerage services income	32	29
Trading account and other non-hedging derivative gains	9	9
Gain (loss) on bank investment securities	0	2
Other revenues from operations	142	152
Total other income	611	580
Other expense
Salaries and employee benefits	887	833
Equipment and net occupancy	132	129
Outside data processing and software	136	120
Professional and other services	84	85
FDIC assessments	23	60
Advertising and marketing	22	20
Amortization of core deposit and other intangible assets	13	15
Other costs of operations	118	134
Total other expense	1,415	1,396
Income before taxes	761	664
Income taxes	177	133
Net income	584	531
Net income available to common shareholders
Net income available to common stockholders, basic	547	505
Net income available to common stockholders, diluted	$ 547	$ 505
Net income per common share
Earnings per share, basic (in USD per share)	$ 3.33	$ 3.04
Earnings per share, diluted (in USD per share)	$ 3.32	$ 3.02
Average common shares outstanding
Average common shares outstanding, basic (in shares)	164,209	166,460
Average common shares outstanding, diluted (in shares)	165,047	167,084