Accrued liabilities and provisions - Litigation (Details) - COP ($) $ in Billions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| ISA Energa Brasil | ||
| Accrued liabilities and provisions | ||
| Legal proceedings in process, damages sought, value | $ 7 | $ 50 |
| Regulatory Contingency | ||
| Accrued liabilities and provisions | ||
| Legal proceedings in process, damages sought, value | 41 | 38 |
| Remediating the damages associated with the hydrocarbon spill | ||
| Accrued liabilities and provisions | ||
| Legal proceedings in process, damages sought, value | 14 | 14 |
| Administrative processes case | ||
| Accrued liabilities and provisions | ||
| Legal proceedings in process, damages sought, value | 13 | 12 |
| Damages caused by export activities | ||
| Accrued liabilities and provisions | ||
| Legal proceedings in process, damages sought, value | 7 | 6 |
| Transelca. Regulatory contingency | ||
| Accrued liabilities and provisions | ||
| Legal proceedings in process, damages sought, value | $ 9 | $ 8 |