CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Interest income
Interest and fees on loans and leases	$ 952	$ 806
Interest and fees on loans held for sale	9	11
Interest on investment securities	60	62
Interest on trading securities	20	20
Interest on other earning assets	32	21
Total interest income	1,073	920
Interest expense
Interest on deposits	398	171
Interest on trading liabilities	5	3
Interest on short-term borrowings	28	38
Interest on term borrowings	17	20
Total interest expense	448	232
Net interest income	625	688
Provision for credit losses	50	50
Net interest income after provision for credit losses	575	638
Noninterest income
Fixed income	52	39
Deposit transactions and cash management	44	42
Brokerage, management fees and commissions	24	22
Card and digital banking fees	19	20
Other service charges and fees	13	13
Trust services and investment management	11	11
Mortgage banking income	9	5
Other income	22	19
Total noninterest income	194	171
Noninterest expense
Personnel expense	301	271
Net occupancy expense	31	31
Computer software	30	28
Deposit insurance expense	24	12
Operations services	21	22
Legal and professional fees	14	8
Contract employment and outsourcing	13	12
Amortization of intangible assets	11	12
Equipment expense	11	11
Advertising and public relations	8	14
Communications and delivery	8	9
Other expense	43	48
Total noninterest expense	515	478
Income before income taxes	254	331
Income tax expense	57	76
Net income	197	255
Net income attributable to noncontrolling interest	5	4
Net income attributable to controlling interest	192	251
Preferred stock dividends	8	8
Net income available to common shareholders	184	243
Net income available to common shareholders	$ 184	$ 243
Basic earnings per common share (in dollars per share)	$ 0.33	$ 0.45
Diluted earnings per common share (in dollars per share)	$ 0.33	$ 0.43
Weighted average common shares (in shares)	554,977	536,938
Diluted average common shares (in shares)	557,873	571,991