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Supplemental information on oil and gas producing activities (unaudited) - Costs incurred in oil and gas exploration and developed activities (Details) - COP ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Supplemental information on oil and gas producing activities (unaudited)      
Acquisition of proved properties [1] $ 1,972,255 $ 37,419 $ 141,928
Acquisition of unproved properties [2] 577,804 0 339,394
Exploration costs 3,378,446 2,911,974 3,322,055
Development costs 15,964,905 19,976,218 16,266,222
Total costs incurred $ 21,893,410 $ 22,925,611 $ 20,069,599
[1] For 2024, it corresponds to the acquisition of 45% interest in Block CPO-09. For 2023 and 2022, it corresponds to 49% of participation contract in Barnett, acquired by Ecopetrol Permian.
[2] For 2024, it corresponds to the acquisition of 45% interest in Block CPO-09. During 2022, Ecopetrol Óleo e Gás do Brasil Ltda have acquired and capitalized seven offshore blocks in the Santos Basin. The blocks are operated by Shell, which holds a 70% of participation in the assets, with a 30% of participation held by Ecopetrol Brasil.