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Stock-Based Compensation - Additional Information (Detail) - USD ($)		3 Months Ended		6 Months Ended
	May 19, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	May 24, 2022
Restricted Stock Awards [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares granted	76,257
Restricted stock awards granted fair value	$ 19.12
2018 Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense		$ 17,000,000	$ 20,000,000	$ 33,000,000	$ 40,000,000
NOV Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Authorized shares under stock based compensation						55,700,000
Remaining shares available for future grants under the Plan		17,100,000		17,100,000
Income tax benefit recognized		$ 0	$ 0	$ 0	$ 0