CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Interest income
Interest and fees on loans and leases	$ 877	$ 492	$ 1,683	$ 936
Interest and fees on loans held for sale	14	10	24	20
Interest on investment securities	63	45	125	83
Interest on trading securities	18	13	38	24
Interest on other earning assets	43	23	64	31
Total interest income	1,015	583	1,934	1,094
Interest expense
Interest on deposits	265	18	436	29
Interest on trading liabilities	2	4	5	6
Interest on short-term borrowings	99	2	136	3
Interest on term borrowings	19	17	39	35
Total interest expense	385	41	616	73
Net interest income	630	542	1,318	1,021
Provision for credit losses	50	30	100	(10)
Net interest income after provision for credit losses	580	512	1,218	1,031
Noninterest income
Deposit transactions and cash management	45	42	87	86
Fixed income	30	51	69	124
Brokerage, management fees and commissions	22	24	44	48
Card and digital banking fees	21	23	40	43
Other service charges and fees	14	15	27	28
Trust services and investment management	12	12	24	25
Mortgage banking and title income	6	34	11	56
Deferred compensation income	8	(17)	11	(21)
Gain on merger termination	225	0	225	0
Securities gains (losses), net	0	0	1	6
Other income	17	17	32	35
Noninterest income	400	201	571	430
Noninterest expense
Personnel expense	285	265	556	545
Contributions	53	1	57	2
Net occupancy expense	30	33	61	64
Computer software	28	29	55	58
Operations services	22	23	44	43
Advertising and public relations	17	10	31	21
Deposit insurance expense	13	8	26	15
Contract employment and outsourcing	12	12	24	31
Amortization of intangible assets	12	13	24	26
Equipment expense	10	11	21	23
Legal and professional fees	12	17	20	40
Communications and delivery	9	9	18	19
Other expense	52	57	96	95
Total noninterest expense	555	488	1,033	982
Income (loss) before income taxes	425	225	756	479
Income tax expense	96	48	171	105
Net income	329	177	585	374
Net income attributable to noncontrolling interest	4	3	9	6
Net income attributable to controlling interest	325	174	576	368
Preferred stock dividends	8	8	16	16
Net income available to common shareholders	317	166	560	352
Net income available to common shareholders	$ 317	$ 166	$ 560	$ 352
Basic earnings per common share (in dollars per share)	$ 0.59	$ 0.31	$ 1.04	$ 0.66
Diluted earnings per common share (in dollars per share)	$ 0.56	$ 0.29	$ 1.00	$ 0.63
Weighted average common shares (in shares)	539,120	534,604	538,035	533,915
Diluted average common shares (in shares)	560,878	569,435	562,188	559,834