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v3.25.1

Accrued liabilities and provisions - Additional information (Details) $ in Millions, $ in Millions |  |  |  |  |  |  |  |  | 12 Months Ended | 48 Months Ended |  |  |
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Oct. 07, 2024 USD ($) | Sep. 30, 2024 COP ($) | Sep. 30, 2024 USD ($) | Mar. 21, 2024 USD ($) shares | Sep. 07, 2023 USD ($) | Jun. 28, 2019 USD ($) | Mar. 16, 2018 USD ($) | May 25, 2016 USD ($) | Mar. 08, 2016 USD ($) | Dec. 31, 2024 USD ($) item | Dec. 31, 2023 | Dec. 31, 2018 USD ($) | Jun. 28, 2019 COP ($) | Jun. 28, 2019 USD ($) | Mar. 16, 2018 COP ($) | Mar. 16, 2018 USD ($) | Apr. 28, 2017 COP ($) | Apr. 28, 2017 USD ($)
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mandatory investments, natural resources |  |  |  |  |  |  |  |  |  | 1.00% | 1.00% |  |  |  |  |  |  |
Minimum current plans executed | item |  |  |  |  |  |  |  |  |  | 240 |  |  |  |  |  |  |  |
Percentage of forced investment |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |
Minimum Percentage of Execution of Forced Obligation |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |
Unidentified expenses |  |  |  |  |  |  |  |  |  |  |  | $ 22.0 |  |  |  |  |  |
Unidentified project cost |  |  |  |  |  |  |  |  |  | $ 269.0 |  |  |  |  |  |  |  |
Legal proceedings in process, claims made, value |  |  |  |  |  |  |  | $ 213.0 |  |  |  |  |  |  |  |  |  |
Number of former officials | item |  |  |  |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  |
Number of former presidents | item |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |
Number of former financial vice-presidents | item |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |  |  |  |
Equity investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value valuation of shares |  | $ 915,003 | $ 234.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series B Non Voting Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shares issued upon conversion |  |  |  | 19.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |
McDermott International Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of business | $ 475.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
McDermott International Ltd | Series B Non Voting Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued as a plan of restructuring | shares |  |  |  | 75,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vice President |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of former officials being investigated | item |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |  |  |  |
Refineria de Cartagena |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount awarded to other party |  |  |  |  | $ 1,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |
Dismissal of claim amount by Plaintif |  |  |  |  | $ 400.0 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of former officials being investigated | item |  |  |  |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  |
Legal proceedings in process, claims made, value |  |  |  |  |  |  |  |  | $ 2,000.0 |  |  |  |  |  |  |  |  |
Contingent asset claim |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 432,303 | $ 129.0 |  |
Contingent asset claim invoices provisionally paid |  |  |  |  |  | $ 137.0 | $ 139.0 |  |  |  |  |  |  |  |  |  |  |
Legal proceedings in process, claims made, value updated including interest |  |  |  |  |  |  |  |  |  |  |  |  | $ 503,241 | $ 137.0 |  |  |  |
Contingent asset non detailed counterclaim |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 387,558 | $ 116.0
Contingent Asset Compliance Letter Of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 70.0
Refineria de Cartagena | President |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of former officials being investigated | item |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |
Refineria de Cartagena |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Legal fees |  |  |  | $ 9.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Refineria de Cartagena | Letters of credits one |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum credit loan |  |  |  | 70.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Refineria de Cartagena | Letters of credits two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum credit loan |  |  |  | $ 95.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration and Production [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate applied to cash flow projections |  |  |  |  |  |  |  |  |  | 5.88% | 5.02% |  |  |  |  |  |  |
Transport and logistics [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate applied to cash flow projections |  |  |  |  |  |  |  |  |  | 6.94% | 5.20% |  |  |  |  |  |  |
Refining and petrochemicals [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of accrued liabilities and provisions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate applied to cash flow projections |  |  |  |  |  |  |  |  |  | 6.59% | 5.51% |  |  |  |  |  |  |

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