Other financial assets - Restrictions (Details) - COP ($) $ in Billions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Other financial assets | ||
| Restricted funds | $ 39 | $ 39 |
| ISA | ||
| Other financial assets | ||
| Restricted funds | 13 | 13 |
| Interligacao Eletrica Norte e Nordeste | ||
| Other financial assets | ||
| Restricted funds | $ 12 | $ 12 |