Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
May 20, 2026 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] | |||||
| Stock-based compensation expense | $ 15 | $ 17 | $ 41 | $ 33 | |
| Income tax expense (benefit) recognized | $ (2) | $ (3) | $ (2) | $ 6 | |
| Restricted Stock Units [Member] | |||||
| Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] | |||||
| Shares granted | 75,656 | ||||
| Restricted stock granted fair value | $ 21.15 | ||||
| NOV Plan [Member] | |||||
| Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] | |||||
| Authorized shares under stock based compensation | 70,900,000 | 70,900,000 | |||
| Remaining shares available for future grants under the Plan | 13,700,000 | 13,700,000 | |||
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of shares authorized for issuance under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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