v3.26.1
Equity - Additional Information (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
May 05, 2026
USD ($)
$ / shares
shares
Apr. 30, 2026
USD ($)
Apr. 02, 2026
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
Apr. 01, 2026
€ / shares
shares
Noncontrolling Interest [Line Items]              
Preferred stock, shares authorized (in shares)       10,000,000 10,000,000    
Stock issuance costs | $         $ 10,380 $ 0  
Shares repurchased | $       $ 12,894 12,894    
Effect of the Corporate Reorganization Transactions | $       0 0    
Non-controlling interest              
Noncontrolling Interest [Line Items]              
Shares repurchased | $       13,518 13,518    
Effect of the Corporate Reorganization Transactions | $       $ 642,112 $ 642,112    
Baker Hughes And Akastor              
Noncontrolling Interest [Line Items]              
Voting power percentage     0.00%        
Equity interest percentage     73.00%        
HMH Holding B.V. And Subsidiaries              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)       63,783,304 63,783,304    
Stock split, conversion ratio         346,774.96    
HMH Holding B.V. And Subsidiaries | Baker Hughes And Akastor              
Noncontrolling Interest [Line Items]              
Voting power percentage     0.00%        
Equity interest percentage     73.00%        
Class A Common Stock              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)       12,042,625 12,042,625    
Common stock, par value (in usd per share) | $ / shares     $ 0.01 $ 0.01 $ 0.01    
Common stock, shares authorized (in shares)       1,000,000,000 1,000,000,000    
Common Stock, Conversion Ratio       1 1    
Shares repurchased (in shares) 685,844   2,100,000        
Equity-based compensation (in shares)     836,781        
Shares issuable (in shares)       31,891,652 31,891,652    
Class A Common Stock | Baker Hughes Holdings LLC              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)     15,945,826        
Class A Common Stock | Akastor AS              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)     15,945,826        
Class A Common Stock | IPO              
Noncontrolling Interest [Line Items]              
Shares issued (in shares)     10,520,000        
Net proceeds | $     $ 197,800        
Stock issuance costs | $     $ 12,600        
Class A Common Stock | Over-Allotment Option              
Noncontrolling Interest [Line Items]              
Net proceeds | $   $ 12,900          
Stock issuance costs | $   $ 800          
Shares repurchased | $ $ 12,900            
Class A Common Stock | HMH Holding B.V. And Subsidiaries              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)             100
Common stock, par value (in usd per share) | € / shares             € 1.00
Conversion of stock, shares converted (in shares)     32,577,496   32,577,496    
Shares issued (in shares)     8,420,000        
Class A Common Stock | HMH Holding B.V. And Subsidiaries | Baker Hughes Holdings LLC              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)     15,945,826 17,338,748 17,338,748    
Class A Common Stock | HMH Holding B.V. And Subsidiaries | Akastor AS              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)     15,945,826 17,338,748 17,338,748    
Class B Common Stock              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)       31,891,652 31,891,652    
Common stock, par value (in usd per share) | $ / shares $ 0.01   $ 0.01 $ 0.01 $ 0.01    
Common stock, shares authorized (in shares)       500,000,000 500,000,000    
Conversion of stock, shares issued (in shares)     32,577,496        
Shares repurchased (in shares) 685,844   2,100,000        
Class B Common Stock | Baker Hughes And Akastor              
Noncontrolling Interest [Line Items]              
Voting power percentage     73.00%        
Class B Common Stock | Baker Hughes Holdings LLC              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)     15,945,826        
Class B Common Stock | Akastor AS              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)     15,945,826        
Class B Common Stock | HMH Holding B.V. And Subsidiaries              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)             100
Common stock, par value (in usd per share) | € / shares             € 1.00
Conversion of stock, shares converted (in shares)     32,577,496   32,577,496    
Shares issued (in shares)     8,420,000        
Class B Common Stock | HMH Holding B.V. And Subsidiaries | Baker Hughes Holdings LLC              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)     15,945,826 17,338,748 17,338,748    
Class B Common Stock | HMH Holding B.V. And Subsidiaries | Akastor AS              
Noncontrolling Interest [Line Items]              
Common stock, shares outstanding (in shares)     15,945,826 17,338,748 17,338,748