v3.26.3
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
Dec. 31, 2025
$ / shares
shares
Dec. 31, 2025
€ / shares
shares
Dec. 31, 2024
$ / shares
shares
Noncontrolling Interest [Line Items]                    
Preferred stock, shares authorized (in shares)       10,000,000 10,000,000          
Shares repurchased | $       $ 12,894 $ 12,894          
Effect of the Corporate Reorganization Transactions | $       0 0          
Adjustments To Additional Paid In Capital, Purchase Of Shares | $     $ 39,500 39,480 39,480          
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     200 200 200
Common stock, par value (in usd per share) | (per share)               $ 1 € 1 $ 1
Common stock, shares authorized (in shares)               200 200 200
Stock split, conversion ratio         346,774.96          
Stock issuance costs | $         $ 10,380 $ 0        
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, par value (in usd per share) | $ / shares     $ 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 [Member]                    
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)       12,042,625 12,042,625   100 100 100  
Common stock, par value (in usd per share) | (per share)       $ 0.01 $ 0.01   € 1      
Common stock, shares authorized (in shares)       1,000,000,000 1,000,000,000          
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 [Member]                    
Noncontrolling Interest [Line Items]                    
Common stock, shares outstanding (in shares)       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              
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 [Member]                    
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)       31,891,652 31,891,652   100     100
Common stock, par value (in usd per share) | $ / shares       $ 0.01 $ 0.01          
Common stock, shares authorized (in shares)       500,000,000 500,000,000          
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 [Member]                    
Noncontrolling Interest [Line Items]                    
Common stock, shares outstanding (in shares)       17,338,748 17,338,748