Premises, Equipment, and Leases - Maturity of Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Abstract]
2023	$ 46
2024	44
2025	42
2026	40
2027	39
2028 and thereafter	228
Total lease payments	439
Less lease liability interest	(68)
Total lease liability	$ 371	$ 386