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Accrued liabilities and provisions - Litigation (Details) - COP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
ISA Energa Brasil |  |
Accrued liabilities and provisions |  |
Legal proceedings in process, damages sought, value | $ 49,577 |
CTEEP Regulatory Contingency |  |
Accrued liabilities and provisions |  |
Legal proceedings in process, damages sought, value | 38,489 | $ 34,846
Direct fixing for the damages associated with the hydrocarbon spill case |  |
Accrued liabilities and provisions |  |
Legal proceedings in process, damages sought, value | 14,245 | 14,245
Administrative processes case |  |
Accrued liabilities and provisions |  |
Legal proceedings in process, damages sought, value | 12,164 | 10,161
Transelca. Regulatory contingency |  |
Accrued liabilities and provisions |  |
Legal proceedings in process, damages sought, value | 8,689 | 8,714
Damages caused by export activities |  |
Accrued liabilities and provisions |  |
Legal proceedings in process, damages sought, value | $ 6,084 | $ 5,429

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