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Insider Trading Arrangements
 3 Months Ended 6 Months Ended
Mar. 31, 2024
shares
Mar. 31, 2024
shares
Trading Arrangements, by Individual    
Rule 10b5-1 Arrangement Adopted false  
Non-Rule 10b5-1 Arrangement Adopted false  
Rule 10b5-1 Arrangement Terminated false  
Non-Rule 10b5-1 Arrangement Terminated false  
Cara Hair [Member]    
Trading Arrangements, by Individual    
Material Terms of Trading Arrangement  
On February 29, 2024, Cara Hair, Senior Vice President, Corporate Services and Chief Legal and Compliance Officer, adopted a trading plan intended to satisfy Rule 10b5-1(c) to sell up to 74,851 shares of Company common stock between May 31, 2024 and February 28, 2025, subject to certain conditions, all of which shares are to be acquired upon the exercise of employee stock options.
Name Cara Hair  
Title Senior Vice President  
Rule 10b5-1 Arrangement Adopted true  
Adoption Date February 29, 2024  
Arrangement Duration 273 days  
Michael Lennox [Member]    
Trading Arrangements, by Individual    
Material Terms of Trading Arrangement  
On March 1, 2024, Michael Lennox, Senior Vice President, U.S. Land Operations of Helmerich & Payne International Drilling Co., adopted a trading plan intended to satisfy Rule 10b5-1(c) to sell up to 18,400 shares of Company common stock between May 31, 2024 and October 31, 2024, subject to certain conditions, 8,400 of which shares are to be acquired upon the exercise of employee stock options.
Name Michael Lennox  
Title Senior Vice President  
Rule 10b5-1 Arrangement Adopted true  
Adoption Date March 1, 2024  
Arrangement Duration 153 days  
Cara Hair Trading Arrangement, Common Stock [Member] | Cara Hair [Member]    
Trading Arrangements, by Individual    
Aggregate Available 74,851 74,851
Michael Lennox Trading Arrangement, Common Stock [Member] | Michael Lennox [Member]    
Trading Arrangements, by Individual    
Aggregate Available 18,400 18,400
Michael Lennox Trading Arrangement, Stock Options [Member] | Michael Lennox [Member]    
Trading Arrangements, by Individual    
Aggregate Available 8,400 8,400