v3.26.1
Revenue (Details)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Division
Customers
Mar. 31, 2025
USD ($)
Division
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 $ 5,402 $ 5,417  
Revenue, Performance Obligation, Description of Timing one year    
NumberOfCustomersExceedReceivablesThreshold | Customers 0   0
Concentration Risk [Line Items]      
Maximum Percentage Gross Trade Receivables From One Customer 10.00%   10.00%
CDS Contracts Aggregate      
Disaggregation of Revenue [Line Items]      
Derivative, Notional Amount $ 374   $ 592
North America [Member]      
Disaggregation of Revenue [Line Items]      
Revenue 2,136 2,236  
Latin America [Member]      
Disaggregation of Revenue [Line Items]      
Revenue 1,090 896  
Europe/Africa/CIS [Member]      
Disaggregation of Revenue [Line Items]      
Revenue 858 775  
Middle East/Asia [Member]      
Disaggregation of Revenue [Line Items]      
Revenue 1,318 1,510  
Completion And Production [Member]      
Disaggregation of Revenue [Line Items]      
Revenue 3,016 3,120  
Drilling And Evaluation [Member]      
Disaggregation of Revenue [Line Items]      
Revenue $ 2,386 $ 2,297  
Minimum [Member]      
Disaggregation of Revenue [Line Items]      
Revenue, Performance Obligation, Description of Payment Terms 20    
Maximum [Member]      
Disaggregation of Revenue [Line Items]      
Revenue, Performance Obligation, Description of Payment Terms 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 32.00%   31.00%
Accounts Receivable [Member] | MEXICO | Customer Concentration Risk      
Disaggregation of Revenue [Line Items]      
Concentration Risk, Percentage 7.00%   7.00%