Leased Vehicles - Summary of Leased Vehicles (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Lessor Disclosure [Abstract]
Leased vehicles	$ 43,356		$ 43,356		$ 46,069
Manufacturer subvention	(4,579)		(4,579)		(5,150)
Net capitalized cost	38,777		38,777		40,919
Less: accumulated depreciation	(7,716)		(7,716)		(8,218)
Leased vehicles, net	31,061		31,061		$ 32,701
Depreciation expense	$ 1,200	$ 1,200	$ 3,700	$ 3,600