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Impairment of non-current assets - Additional information (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2023 COP ($) $ / $ $ / shares | Dec. 31, 2022 COP ($) $ / $ | Dec. 31, 2021 COP ($)
Impairment of non-current assets |  |  |
Information about prices based on information provided by specialized market analysts and management analysts | Oil price – Brent: Projections include USD$83.35/barrel for the first year, USD$78.05/barrel average for the medium term, and USD$77.81/barrel starting in 2034 | In 2022, the assumptions made took a price of USD$94.63/barrel for the first year, USD$82.56/barrel average for the medium term and USD$79.17 |
Closing balance exchange rate | $ / $ | 3,822.05 | 4,810.20 |
Impairment loss relating to south cash generating unit |  |  | $ 160,653
Non-current asset held for sale | $ 209,551 |  |
Other non-current assets |  |  |
Impairment of non-current assets |  |  |
Impairment loss relating to south cash generating unit |  |  | $ 142
Tax Surcharge Rate 0% |  |  |
Impairment of non-current assets |  |  |
Tax surcharge rate | 0.00% |  |
Tax Surcharge Rate 5% |  |  |
Impairment of non-current assets |  |  |
Tax surcharge rate | 5.00% |  |
Tax Surcharge Rate 10% |  |  |
Impairment of non-current assets |  |  |
Tax surcharge rate | 10.00% |  |
Tax Surcharge Rate 15% |  |  |
Impairment of non-current assets |  |  |
Tax surcharge rate | 15.00% |  |
Yaguara Tenay Systems |  |  |
Impairment of non-current assets |  |  |
Percentage of asset impaired under cash generating units |  |  | 39.00%
Turbo Generator |  |  |
Impairment of non-current assets |  |  |
Impairment loss relating to south cash generating unit |  |  | $ 2,545
CGUs of South, North and Yaguara-Tenay |  |  |
Impairment of non-current assets |  |  |
Impairment loss | $ 630,134 | $ 405,357 |
CGUs of Oleoducto de Colombia S.A. |  |  |
Impairment of non-current assets |  |  |
Impairment loss |  | $ 872 |
Internexa Brasil |  |  |
Impairment of non-current assets |  |  |
Non-current asset held for sale | 85,568 |  |
Internexa Argentina |  |  |
Impairment of non-current assets |  |  |
Non-current asset held for sale | 12,593 |  |
Consorcio Transmantaro |  |  |
Impairment of non-current assets |  |  |
Non-current asset held for sale | $ 85,168 |  |
Refineria de Cartagena S.A.S |  |  |
Impairment of non-current assets |  |  |
Discount rate used in current estimate of value in use | 7.82% | 7.60% | 5.27%
Recovery of impairment loss | $ 1,494,224 | $ 1,107,101 |
Expense for impairment | $ 11,712 | $ 11,077 |
Weighted average cost of capital, measurement input | Tax Surcharge Rate 0% |  |  |
Impairment of non-current assets |  |  |
Weighted average cost of capital, significant unobservable inputs, assets | 7.15 | 7.34 |
Weighted average cost of capital, measurement input | Tax Surcharge Rate 5% |  |  |
Impairment of non-current assets |  |  |
Weighted average cost of capital, significant unobservable inputs, assets | 6.9 | 7.14 |
Weighted average cost of capital, measurement input | Tax Surcharge Rate 10% |  |  |
Impairment of non-current assets |  |  |
Weighted average cost of capital, significant unobservable inputs, assets | 6.65 | 6.93 |
Weighted average cost of capital, measurement input | Tax Surcharge Rate 15% |  |  |
Impairment of non-current assets |  |  |
Weighted average cost of capital, significant unobservable inputs, assets | 6.40 | 6.73 |
Transportation and logistics segment |  |  |
Impairment of non-current assets |  |  |
Discount rate used in current estimate of value in use | 5.88% | 4.73% | 2.95%
Closing balance exchange rate | $ / shares | 3,822.05 |  |
Yaguara Tenay Systems | Turbo Generator |  |  |
Impairment of non-current assets |  |  |
Impairment loss relating to south cash generating unit |  |  | $ 2,845
Refineria de Barrancabermeja |  |  |
Impairment of non-current assets |  |  |
Reversal of impairment loss recognised in profit or loss, biological assets | $ 0 |  | 340,019
Energy transmission and roads |  |  |
Impairment of non-current assets |  |  |
Non-current asset held for sale | (98,543) |  | (4)
Impairment loss | $ (209,551) | $ (87,543) | $ (4)
Energy transmission and roads | Internexa Brasil |  |  |
Impairment of non-current assets |  |  |
Impairment loss |  | 85,568 |
Energy transmission and roads | Internexa Argentina |  |  |
Impairment of non-current assets |  |  |
Impairment loss |  | $ 1,975 |

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