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Exploration and evaluation of oil and gas reserves (Details Narrative) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Oct. 31, 2023 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | $ 3,042 | $ 2,986 |  | $ 3,025
Recognition of losses in Intangible assets | 364 |  | $ 37 |
Agreement commits to investing | 347 | 1,681 |  |
B M C 33 [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Property plant and equipment | 968 |  |  |
Sepia Field [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Property plant and equipment | 46 |  |  |
Intangible assets |  | 424 |  |
North Brava [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | 103 |  |  |
Southwest Sagitarno [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | $ 40 |  |  |
Atapu Field [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets |  | 416 |  |
Itapu Field [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets |  | $ 337 |  |
Tres Marias [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Recognition of losses in Intangible assets |  |  | $ 6 |

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