CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest income
Interest and fees on loans and leases	$ 941	$ 617	$ 2,624	$ 1,553
Interest and fees on loans held for sale	15	9	40	30
Interest on investment securities	62	54	186	137
Interest on trading securities	19	15	57	39
Interest on other earning assets	43	38	107	68
Total interest income	1,080	733	3,014	1,827
Interest expense
Interest on deposits	409	43	845	72
Interest on trading liabilities	3	3	8	9
Interest on short-term borrowings	46	7	182	10
Interest on term borrowings	17	18	56	53
Total interest expense	475	71	1,091	144
Net interest income	605	662	1,923	1,683
Provision for credit losses	110	60	210	50
Net interest income after provision for credit losses	495	602	1,713	1,633
Noninterest income
Deposit transactions and cash management	46	43	133	129
Fixed income	28	46	97	170
Brokerage, management fees and commissions	21	23	66	71
Card and digital banking fees	20	21	61	64
Other service charges and fees	14	13	41	41
Trust services and investment management	12	11	35	36
Mortgage banking and title income	7	9	18	65
Deferred compensation income	0	(3)	11	(24)
Gain on merger termination	0	0	225	0
Securities gains (losses), net	0	12	1	18
Other income	25	38	57	72
Total noninterest income	173	213	745	642
Noninterest expense
Personnel expense	266	275	821	820
Net occupancy expense	30	32	92	96
Computer software	26	28	82	85
Operations services	21	22	65	65
Advertising and public relations	16	12	47	34
Deposit insurance expense	14	8	40	23
Legal and professional fees	13	10	33	50
Contract employment and outsourcing	12	12	36	43
Amortization of intangible assets	12	13	36	39
Equipment expense	11	11	32	34
Communications and delivery	8	10	27	28
Contributions	3	3	60	5
Other expense	42	33	137	128
Total noninterest expense	474	469	1,508	1,450
Income (loss) before income taxes	194	346	950	825
Income tax expense	52	78	223	183
Net income	142	268	727	642
Net income attributable to noncontrolling interest	5	3	14	8
Net income attributable to controlling interest	137	265	713	634
Preferred stock dividends	8	8	24	24
Net income available to common shareholders	129	257	689	610
Net income available to common shareholders	$ 129	$ 257	$ 689	$ 610
Basic earnings per common share (in dollars per share)	$ 0.23	$ 0.48	$ 1.26	$ 1.14
Diluted earnings per common share (in dollars per share)	$ 0.23	$ 0.45	$ 1.23	$ 1.08
Weighted average common shares (in shares)	558,559	535,986	544,952	534,613
Diluted average common shares (in shares)	561,421	570,153	561,930	563,538