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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
2018 Plan [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense | $ 17 | $ 17 | $ 53 | $ 49
NOV Plan [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Authorized shares under stock based compensation | 55,700,000 |  | 55,700,000 |
Remaining shares available for future grants under the Plan | 7,800,000 |  | 7,800,000 |
Income tax expense/(benefit) recognized | $ (2) | $ 0 | $ 1 | $ 0

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