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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended
	May 20, 2025	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense		$ 17	$ 17	$ 33	$ 36
Income tax expense/(benefit) recognized		$ (3)	$ (1)	$ 6	$ 3
Restricted Stock and Restricted Stock Units [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares granted	127,592
Restricted stock granted fair value	$ 12.54
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		17,100,000		17,100,000

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