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Summarized Financial Data - Tengizchevroil LLP (Tables) | 6 Months Ended
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Jun. 30, 2019
Summarized Financial Data of Affiliate [Abstract] |
Summarized Financial Data - Tengizchevroil LLP | Summarized financial information for 100 percent of TCO is presented in the following table:
| Six Months Ended June 30
| 2019 |  | 2018
| (Millions of dollars)
Sales and other operating revenues | $ | 8,369 |  |  | $ | 8,891 |
Costs and other deductions | 4,039 |  |  | 3,915 |
Net income attributable to TCO | 3,039 |  |  | 3,502 |

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