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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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