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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 |

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