Premises, Equipment, and Leases - Schedule of Net Investment in Leases (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Abstract]
Lease receivable	$ 1,143	$ 984
Unearned income	(244)	(198)
Guaranteed residual	147	121
Unguaranteed residual	189	153
Total net investment	$ 1,235	$ 1,060