XML 14 R1.htm IDEA: XBRL DOCUMENT v3.23.3
Document and Entity Information - shares
 9 Months Ended
Sep. 30, 2023
Oct. 13, 2023
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2023  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q3  
Title of 12(b) Security Common Stock, par value $.01 per share  
Trading Symbol NOV  
Security Exchange Name NYSE  
Entity Registrant Name NOV INC.  
Entity Central Index Key 0001021860  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Common Stock, Shares Outstanding   393,926,996
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity File Number 1-12317  
Entity Tax Identification Number 76-0475815  
Entity Address, Address Line One 10353 Richmond Avenue  
Entity Address, City or Town Houston  
Entity Address, State or Province TX  
Entity Incorporation, State or Country Code DE  
Entity Address, Postal Zip Code 77042-4103  
City Area Code 346  
Local Phone Number 223-3000  
Document Quarterly Report true  
Document Transition Report false