Leased Vehicles - Summary of Leased Vehicles (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Lessor Disclosure [Abstract]
Leased vehicles	$ 50,034		$ 50,034		$ 54,821
Manufacturer subvention	(6,108)		(6,108)		(7,398)
Net capitalized cost	43,925		43,925		47,423
Less: accumulated depreciation	(8,618)		(8,618)		(9,494)
Leased vehicles, net	35,307		35,307		$ 37,929
Depreciation expense	$ 1,200	$ 1,500	$ 2,400	$ 3,200