v3.26.1
Revenue (Details)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Division
Customers
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Division
Customers
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Customers
Disaggregation of Revenue [Line Items]          
Number of Operating Segments | Division 2   2    
Number of Reportable Segments | Division 2   2    
Revenue $ 5,714 $ 5,510 $ 11,116 $ 10,927  
Revenue, Performance Obligation, Description of Timing     one year    
NumberOfCustomersExceedReceivablesThreshold | Customers 0   0   0
Concentration Risk [Line Items]          
Maximum Percentage Gross Trade Receivables From One Customer 10.00%   10.00%   10.00%
CDS Contracts Aggregate          
Disaggregation of Revenue [Line Items]          
Derivative, Notional Amount $ 217   $ 217   $ 592
North America [Member]          
Disaggregation of Revenue [Line Items]          
Revenue 2,276 2,259 4,412 4,495  
Latin America [Member]          
Disaggregation of Revenue [Line Items]          
Revenue 1,123 977 2,213 1,873  
Europe/Africa/CIS [Member]          
Disaggregation of Revenue [Line Items]          
Revenue 1,017 820 1,875 1,595  
Middle East/Asia [Member]          
Disaggregation of Revenue [Line Items]          
Revenue 1,298 1,454 2,616 2,964  
Completion And Production [Member]          
Disaggregation of Revenue [Line Items]          
Revenue 3,202 3,171 6,218 6,291  
Drilling And Evaluation [Member]          
Disaggregation of Revenue [Line Items]          
Revenue $ 2,512 $ 2,339 $ 4,898 $ 4,636  
Minimum [Member]          
Disaggregation of Revenue [Line Items]          
Revenue, Performance Obligation, Description of Payment Terms 20   20    
Maximum [Member]          
Disaggregation of Revenue [Line Items]          
Revenue, Performance Obligation, Description of Payment Terms 60   60    
Revenue Benchmark [Member] | UNITED STATES | Geographic Concentration Risk [Member]          
Disaggregation of Revenue [Line Items]          
Concentration Risk, Percentage     37.00% 39.00%  
Accounts Receivable [Member] | UNITED STATES | Geographic Concentration Risk [Member]          
Disaggregation of Revenue [Line Items]          
Concentration Risk, Percentage     31.00%   31.00%
Accounts Receivable [Member] | MEXICO | Customer Concentration Risk          
Disaggregation of Revenue [Line Items]          
Concentration Risk, Percentage     7.00%   7.00%