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Supplemental information on oil and gas producing activities (unaudited) - Additional Information (Details) (Imported) $ in Millions | 12 Months Ended
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Dec. 31, 2023 COP ($) | Dec. 31, 2022 COP ($) item | Dec. 31, 2021 COP ($)
Supplemental information on oil and gas producing activities (unaudited) |  |  |
Provisions for asset retirement obligations included in cost capitalized to natural and environmental properties | $ 4,101,617 | $ 1,979,749 | $ 3,930,370
Expense related to the asset retirement obligations | 477,511 | 333,683 | 292,329
Depreciation, depletion and amortization related to asset retirement obligations | $ 438,675 | $ 768,466 | $ 887,725
Percentage of transferred crude oil and gas production based on value to intercompany units | 18.70% | 21.80% | 19.90%
Percentage of transferred crude oil and gas production based on volume to intercompany units | 57.00% | 50.40% | 52.10%
Percentage of estimated reserve specialized firms | 99.80% |  |
Estimated costs related to assets retirement obligations | $ 22,615,261 | $ 23,234,408 | $ 17,364,520
Ownership Interest | 49.00% | 49.00% |
Ecopetrol Oleo e Gas do Brasil Ltda |  |  |
Supplemental information on oil and gas producing activities (unaudited) |  |  |
Number of offshore blocks acquired and capitalized | item |  | 7 |
Ecopetrol Oleo e Gas do Brasil Ltda | Offshore blocks in Santos Basin | Ecopetrol Brazil |  |  |
Supplemental information on oil and gas producing activities (unaudited) |  |  |
Percentage of participation |  | 30.00% |
Ecopetrol Oleo e Gas do Brasil Ltda | Offshore blocks in Santos Basin | Shell |  |  |
Supplemental information on oil and gas producing activities (unaudited) |  |  |
Percentage of participation |  | 70.00% |

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