Goodwill and Intangible Assets, Net - Summary of Fair Value of Acquired Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Intangible assets:
Total	$ 82	$ 4
Goodwill	847	9
Car360
Intangible assets:
Intangible assets, acquired cost	92	10
Less: accumulated amortization	(10)	(6)
Total	82	4
Goodwill	847	9
Car360 | Customer relationships
Intangible assets:
Intangible assets, acquired cost	50	0
Car360 | Developed technology
Intangible assets:
Intangible assets, acquired cost	41	9
Car360 | Non-compete agreements
Intangible assets:
Intangible assets, acquired cost	$ 1	$ 1