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Revenue (Tables) | 9 Months Ended
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Sep. 30, 2021
Revenue [Abstract] |
Disaggregation of Revenue | The following table presents information on our disaggregated revenue.
Millions of dollars | Three Months Ended September 30 | Nine Months Ended September 30
Revenue by segment: | 2021 | 2020 | 2021 | 2020
Completion and Production | $ | 2,136 |  | $ | 1,574 |  | $ | 6,054 |  | $ | 6,029 |
Drilling and Evaluation | 1,724 |  | 1,401 |  | 4,964 |  | 5,179 |
Total revenue | $ | 3,860 |  | $ | 2,975 |  | $ | 11,018 |  | $ | 11,208 |
Revenue by geographic region: |  |  |  |
North America | $ | 1,615 |  | $ | 984 |  | $ | 4,588 |  | $ | 4,493 |
Latin America | 624 |  | 380 |  | 1,693 |  | 1,242 |
Europe/Africa/CIS | 676 |  | 649 |  | 1,989 |  | 2,171 |
Middle East/Asia | 945 |  | 962 |  | 2,748 |  | 3,302 |
Total revenue | $ | 3,860 |  | $ | 2,975 |  | $ | 11,018 |  | $ | 11,208 |

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- Definition Revenue [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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