Leases - Schedule of Operating Lease Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Leases [Abstract]
Lease income – Operating leases	$ 229	$ 201	$ 664	$ 592
Variable lease income – Operating leases	19	18	55	48
Rental income on operating leases	248	219	719	640
Interest income - Sales type and direct financing leases	43	43	127	127
Variable lease income included in Other noninterest income	15	13	44	37
Interest income - Leveraged leases	2	5	11	14
Total lease income	308	280	901	818
Property tax reimbursement due from customer	5	4	12	13
Variable lease, income related to insurance coverage	$ 11	$ 9	$ 31	$ 24