Leased Vehicles - Summary of Leased Vehicles (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Lessor Disclosure [Abstract]
Leased vehicles	$ 44,261		$ 44,261		$ 46,069
Manufacturer subvention	(4,720)		(4,720)		(5,150)
Net capitalized cost	39,541		39,541		40,919
Less: accumulated depreciation	(7,981)		(7,981)		(8,218)
Leased vehicles, net	31,560		31,560		$ 32,701
Depreciation expense	$ 1,200	$ 1,200	$ 2,500	$ 2,400