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Investments and Advances - Summary of Investment and Advances and Equity in Earnings (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Schedule of Equity Method Investments [Line Items] |  |  |
Investments and Advances | $ 46,113 | $ 44,610 |
Other non-equity method investments | 699 | 628 |
Total investments and advances | 46,812 | 45,238 |
Equity in Earnings | 5,131 | 8,585 | $ 5,657
United States | Investments and Advances |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Total investments and advances | 10,985 | 9,855 |
United States | Equity in Earnings |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity in Earnings | 340 | 975 | 1,889
International | Investments and Advances |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Total investments and advances | 35,827 | 35,383 |
International | Equity in Earnings |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity in Earnings | 4,791 | 7,610 | 3,768
All Other |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments and Advances | (6) | (5) |
Equity in Earnings | (9) | (6) | 1
Upstream | Operating Segments |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments and Advances | 31,619 | 31,196 |
Equity in Earnings | 3,885 | 6,626 | 3,509
Upstream | Operating Segments | Tengizchevroil |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments and Advances | 26,954 | 26,534 |
Equity in Earnings | 3,375 | 4,386 | 2,831
Upstream | Operating Segments | Caspian Pipeline Consortium |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments and Advances | 797 | 761 |
Equity in Earnings | 158 | 128 | 155
Upstream | Operating Segments | Angola LNG Limited |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments and Advances | 1,762 | 1,963 |
Equity in Earnings | 513 | 1,857 | 336
Upstream | Operating Segments | Other |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments and Advances | 2,106 | 1,938 |
Equity in Earnings | (161) | 255 | 187
Downstream | Operating Segments |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments and Advances | 14,500 | 13,419 |
Equity in Earnings | 1,255 | 1,965 | 2,147
Downstream | Operating Segments | Chevron Phillips Chemical Company LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments and Advances | 7,765 | 6,843 |
Equity in Earnings | 608 | 867 | 1,842
Downstream | Operating Segments | GS Caltex Corporation |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments and Advances | 4,309 | 4,288 |
Equity in Earnings | 437 | 874 | 85
Downstream | Operating Segments | Other |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investments and Advances | 2,426 | 2,288 |
Equity in Earnings | $ 210 | $ 224 | $ 220

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