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Revenue (Tables) | 6 Months Ended
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Jun. 30, 2019
Revenue [Abstract] |
Disaggregation of Revenue | The following table presents information on our disaggregated revenue.
Millions of dollars | Three Months Ended June 30 | Six Months Ended June 30
Revenue by segment: | 2019 | 2018 | 2019 | 2018
Completion and Production | $ | 3,805 |  | $ | 4,164 |  | $ | 7,467 |  | $ | 7,971 |
Drilling and Evaluation | 2,125 |  | 1,983 |  | 4,200 |  | 3,916 |
Total revenue | $ | 5,930 |  | $ | 6,147 |  | $ | 11,667 |  | $ | 11,887 |
Revenue by geographic region: |  |  |  |
North America | $ | 3,327 |  | $ | 3,834 |  | $ | 6,602 |  | $ | 7,351 |
Latin America | 571 |  | 479 |  | 1,158 |  | 936 |
Europe/Africa/CIS | 823 |  | 726 |  | 1,571 |  | 1,442 |
Middle East/Asia | 1,209 |  | 1,108 |  | 2,336 |  | 2,158 |
Total revenue | $ | 5,930 |  | $ | 6,147 |  | $ | 11,667 |  | $ | 11,887 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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