Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Feb. 28, 2022
Summary Of Significant Accounting Policies [Line Items]
Net carrying value of software developed		$ 126	$ 143
Impairment		$ 28
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]		Long-lived asset impairment and other related charges
Non-cash impairment		$ 2,300	0	$ 0
Vehicle interest income		12	34	1
Impairment, long-lived asset, held-for-use		$ 180	0	0
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration]		Long-lived asset impairment and other related charges
Advertising expense		$ 77	86	64
Digital marketing cost		90	86	71
Retained risks of liability to third parties		451	397
Workers compensation liabilities		$ 50	49
Dividend yield		0.00%
Investments in joint ventures		$ 100	93
Sale of equity investments		23	12	12
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Summary Of Significant Accounting Policies [Line Items]
Assets held for sale					$ 13
Gain on write down of assets held for sale				2
Amount of consideration received	$ 15
Loss on sale				7
Royalty
Summary Of Significant Accounting Policies [Line Items]
Revenue		$ 246	$ 187	$ 165