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Borrowings - Narrative (Details) - USD ($)
6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Line of Credit Facility [Line Items]    
Estimated fair value of debt $ 6,109,000,000 $ 7,328,000,000
Commercial paper    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity $ 3,000,000,000  
Debt term (no more than) 397 days  
BHH LLC | Baker Hughes Co-Obligor, Inc.    
Line of Credit Facility [Line Items]    
Ownership percentage 100.00%  
Long-term borrowings $ 6,577,000,000  
Revolving credit facility | The Credit Agreement | BHH LLC    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 3,000,000,000  
Line of credit outstanding $ 0 $ 0