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	$ 4,915	$ 2,898	$ 9,571	$ 5,542
Interest on securities	749	675	1,501	1,315
Interest on other earning assets	512	100	889	173
Total interest income	6,176	3,673	11,961	7,030
Interest Expense
Interest on deposits	1,506	99	2,631	131
Interest on long-term debt	734	137	1,248	269
Interest on other borrowings	311	30	589	40
Total interest expense	2,551	266	4,468	440
Net Interest Income	3,625	3,407	7,493	6,590
Provision for credit losses	538	171	1,040	76
Net Interest Income After Provision for Credit Losses	3,087	3,236	6,453	6,514
Noninterest Income
Noninterest income	2,293	2,248	4,527	4,390
Noninterest Expense
Personnel expense	2,256	2,102	4,437	4,153
Professional fees and outside processing	352	349	666	712
Software expense	237	234	451	466
Net occupancy expense	180	181	363	389
Amortization of intangibles	131	143	267	280
Equipment expense	92	114	202	232
Marketing and customer development	79	93	157	177
Operating lease depreciation	44	47	90	95
Regulatory costs	73	44	148	79
Merger-related and restructuring charges	54	121	117	337
Other expense	250	152	541	334
Total noninterest expense	3,748	3,580	7,439	7,254
Earnings
Income before income taxes	1,632	1,904	3,541	3,650
Provision for income taxes	287	372	681	702
Net income	1,345	1,532	2,860	2,948
Noncontrolling interests	36	1	38	2
Preferred stock dividends and other	75	77	178	165
Net income available to common shareholders	$ 1,234	$ 1,454	$ 2,644	$ 2,781
Basic EPS	$ 0.93	$ 1.09	$ 1.99	$ 2.09
Diluted EPS	$ 0.92	$ 1.09	$ 1.98	$ 2.08
Basic weighted average shares outstanding (in shares)	1,331,953	1,330,160	1,330,286	1,329,601
Diluted weighted average shares outstanding (in shares)	1,337,307	1,338,864	1,338,346	1,340,225
Insurance income
Noninterest Income
Noninterest income	$ 935	$ 825	$ 1,748	$ 1,552
Wealth management income
Noninterest Income
Noninterest income	330	337	669	680
Investment banking and trading income
Noninterest Income
Noninterest income	211	255	472	516
Service charges on deposits
Noninterest Income
Noninterest income	240	254	489	506
Card and payment related fees
Noninterest Income
Noninterest income	236	246	466	458
Mortgage banking income
Noninterest Income
Noninterest income	99	100	241	221
Lending related fees
Noninterest Income
Noninterest income	86	100	192	185
Operating lease income
Noninterest Income
Noninterest income	64	66	131	124
Securities gains (losses)
Noninterest Income
Noninterest income	0	(1)	0	(70)
Other income
Noninterest Income
Noninterest income	$ 92	$ 66	$ 119	$ 218