RISK MANAGEMENT - Modified financial assets - Restructured loans (Details) - COP ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of financial assets [line items] | ||
| Restructured loans | $ 5,122,698 | $ 7,451,087 |
| Country of domicile [member] | ||
| Disclosure of financial assets [line items] | ||
| Restructured loans | 5,089,268 | 5,495,475 |
| Foreign countries [member] | ||
| Disclosure of financial assets [line items] | ||
| Restructured loans | $ 33,430 | $ 1,955,612 |