Impairment of long-term assets - Breakdown of oilfields impairment losses (Details) - COP ($) $ in Billions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Impairment of non-current assets | |||
| Impairment reversal (loss) | $ (325) | $ (480) | $ (2,741) |
| Oilfields | |||
| Impairment of non-current assets | |||
| Impairment reversal (loss) | (325) | (495) | (2,733) |
| Oil fields in Colombia | Oilfields | Reversal | |||
| Impairment of non-current assets | |||
| Carrying amount | 2,534 | 3,109 | 9,815 |
| Recoverable amount | 3,991 | 6,131 | 18,113 |
| Impairment reversal (loss) | 391 | 880 | 364 |
| Oil fields in Colombia | Oilfields | Loss | |||
| Impairment of non-current assets | |||
| Carrying amount | 3,209 | 3,739 | 10,048 |
| Recoverable amount | 2,493 | 2,364 | 6,951 |
| Impairment reversal (loss) | $ (716) | $ (1,375) | $ (3,097) |