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Document And Entity Information
Nov. 19, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 19, 2025
Entity Registrant Name NOV INC.
Entity Central Index Key 0001021860
Entity Emerging Growth Company false
Entity File Number 1-12317
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 76-0475815
Entity Address, Address Line One 10353 Richmond Ave.
Entity Address, City or Town Houston
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77042
City Area Code 346
Local Phone Number 223-3000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol NOV
Security Exchange Name NYSE