Premises, Equipment, and Leases - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Impairment losses (less than)	$ 1,000,000	$ 37,000,000
Gain/(loss) on sale of properties, before applicable income taxes	1,000,000	6,000,000
Direct financing and sale-type lease, interest income	34,000,000	26,000,000	$ 11,000,000
Profit (loss) direct financing or sales-type leases	$ 0	$ 0	$ 0
Minimum
Property, Plant and Equipment [Line Items]
Direct financing lease term	18 months
Sales-type lease term	18 months
Maximum
Property, Plant and Equipment [Line Items]
Direct financing lease term	23 years
Sales-type lease term	23 years