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Summarized Financial Data - Tengizchevroil LLP (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Affiliate Statements Captions [Line Items] |  |  |  |
Sales and other operating revenues | $ 51,922 | $ 63,508 | $ 147,980 | $ 181,194
Net Income (Loss) | $ 6,555 | $ 11,238 | $ 19,168 | 29,230
Tengizchevroil LLP |  |  |  |
Affiliate Statements Captions [Line Items] |  |  |  |
Percentage of affiliate by summarized financial information | 100.00% |  | 100.00% |
Sales and other operating revenues |  |  | $ 14,720 | 18,682
Costs and other deductions |  |  | 7,799 | 9,003
Net Income (Loss) |  |  | $ 4,918 | $ 6,779
Tengizchevroil LLP |  |  |  |
Affiliate Statements Captions [Line Items] |  |  |  |
Equity ownership, percentage | 50.00% |  | 50.00% |

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