CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest Income
Interest and fees on loans and leases	$ 4,079	$ 4,424	$ 5,051
Interest on securities	1,090	1,119	1,162
Interest on other short-term investments	42	29	41
Total interest income	5,211	5,572	6,254
Interest Expense
Interest on deposits	59	322	892
Interest on federal funds purchased	0	2	29
Interest on other short-term borrowings	2	14	28
Interest on long-term debt	380	452	508
Total interest expense	441	790	1,457
Net Interest Income	4,770	4,782	4,797
(Benefit from) provision for credit losses	(377)	1,097	471
Net Interest Income After (Benefit from) Provision for Credit Losses	5,147	3,685	4,326
Noninterest Income
Commercial banking revenue	637	528	460
Service charges on deposits	600	559	565
Wealth and asset management revenue	586	520	487
Card and processing revenue	402	352	360
Leasing business revenue	300	276	270
Mortgage banking net revenue	270	320	287
Other noninterest income	332	211	1,064
Securities (losses) gains, net	(7)	62	40
Securities (losses) gains, net - non-qualifying hedges on mortgage servicing rights	(2)	2	3
Total noninterest income	3,118	2,830	3,536
Noninterest Expense
Compensation and benefits	2,626	2,590	2,418
Technology and communications	388	362	422
Net occupancy expense	312	350	332
Equipment expense	138	130	129
Leasing business expense	137	140	133
Marketing expense	107	104	162
Card and processing expense	89	121	130
Other noninterest expense	951	921	934
Total noninterest expense	4,748	4,718	4,660
Income before income taxes	3,517	1,797	3,202
Applicable income tax expense	747	370	690
Net Income	2,770	1,427	2,512
Dividends on preferred stock	111	104	93
Net Income Available to Common Shareholders	$ 2,659	$ 1,323	$ 2,419
Shares Disclosures
Earnings per share - basic (in dollars per share)	$ 3.78	$ 1.84	$ 3.38
Earnings per share - diluted (in dollars per share)	$ 3.73	$ 1.83	$ 3.33
Average common shares outstanding - basic (in shares)	702,188,552	714,729,585	710,433,611
Average common shares outstanding - diluted (in shares)	711,197,805	719,735,415	720,065,498