Other Noninterest Income and Other Noninterest Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other noninterest income:
Private equity investment income	$ 81	$ 75	$ 65
Gains on contract sales	62	2	0
BOLI income	61	63	60
Cardholder fees	50	44	58
Income from the TRA associated with Worldpay, Inc.	46	74	346
Equity method investment income	30	12	12
Banking center income	23	20	22
Consumer loan fees	17	20	23
Insurance income	7	20	19
Loss on swap associated with the sale of Visa, Inc. Class B Shares	(86)	(103)	(107)
Net losses on disposition and impairment of bank premises and equipment	(4)	(31)	(23)
Gain on sale of Worldpay, Inc. shares	0	0	562
Other, net	45	15	27
Total other noninterest income	332	211	1,064
Other noninterest expense:
Loan and lease	217	162	142
FDIC insurance and other taxes	114	118	81
Data processing	79	75	70
Losses and adjustments	69	100	102
Professional service fees	63	49	70
Intangible amortization	44	48	45
Postal and courier	37	36	38
Travel	34	27	68
Donations	26	36	30
Recruitment and education	21	21	28
Insurance	17	15	14
Supplies	12	13	14
Other, net	218	221	232
Other noninterest expense	$ 951	$ 921	$ 934