CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Interest income
Interest and fees on loans and leases	$ 921	$ 975	$ 1,816	$ 1,927
Interest and fees on loans held for sale	8	9	18	17
Interest on investment securities	71	59	139	119
Interest on trading securities	23	21	43	42
Interest on other earning assets	21	29	42	60
Total interest income	1,044	1,093	2,058	2,165
Interest expense
Interest on deposits	337	399	666	797
Interest on trading liabilities	6	7	14	12
Interest on short-term borrowings	38	41	66	70
Interest on term borrowings	22	17	40	33
Total interest expense	403	464	786	912
Net interest income (expense)	641	629	1,272	1,253
Provision for credit losses	30	55	70	105
Net interest income after provision for credit losses	611	574	1,202	1,148
Noninterest income
Fixed income	42	40	91	92
Deposit transactions and cash management	41	44	81	88
Brokerage, management fees and commissions	26	25	52	49
Card and digital banking fees	19	20	37	38
Other service charges and fees	14	14	26	27
Trust services and investment management	13	12	25	24
Mortgage banking income	10	10	18	19
Securities gains (losses), net	0	1	0	1
Other income	24	20	40	43
Total noninterest income	189	186	370	381
Noninterest expense
Personnel expense	282	279	561	580
Net occupancy expense	34	31	69	62
Computer software	34	29	66	59
Operations services	23	23	46	45
Legal and professional fees	17	18	31	33
Deposit insurance expense	12	16	25	40
Advertising and public relations	14	14	24	22
Equipment expense	11	11	22	22
Amortization of intangible assets	10	11	20	22
Contract employment and outsourcing	8	14	16	28
Communications and delivery	8	8	16	16
Other expense	38	46	82	86
Total noninterest expense	491	500	978	1,015
Income (loss) before income taxes	309	260	594	514
Income tax expense	64	56	127	113
Net income	245	204	467	401
Net income attributable to noncontrolling interest	4	5	8	10
Net income attributable to controlling interest	241	199	459	391
Preferred stock dividends	8	15	13	23
Net income available to common shareholders	233	184	446	368
Net income available to common shareholders	$ 233	$ 184	$ 446	$ 368
Basic earnings per common share (in dollars per share)	$ 0.46	$ 0.34	$ 0.87	$ 0.67
Diluted earnings per common share (in dollars per share)	$ 0.45	$ 0.34	$ 0.86	$ 0.67
Weighted average common shares (in shares)	508,125	543,981	512,596	549,479
Diluted average common shares (in shares)	513,606	547,093	518,701	552,539