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Revenue (Tables)
 3 Months Ended
Mar. 31, 2022
Revenue [Abstract]  
Disaggregation of Revenue
The following table presents information on our disaggregated revenue.
Millions of dollarsThree Months Ended
March 31
Revenue by segment:20222021
Completion and Production$2,353 $1,870 
Drilling and Evaluation1,931 1,581 
Total revenue$4,284 $3,451 
Revenue by geographic region:
North America$1,925 $1,404 
Latin America653 535 
Europe/Africa/CIS677 634 
Middle East/Asia1,029 878 
Total revenue$4,284 $3,451