RISK MANAGEMENT - Concentrations of credit risk - Concentration by currency - Additional information (Details) $ in Millions, $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
COP ($)
|
Dec. 31, 2024
COP ($)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
USD ($)
|
|
| Disclosure of financial assets [line items] | ||||
| Percentage of loan portfolio in foreign currency | 9.20% | 18.40% | ||
| Maximum exposure to credit risk | $ 322,509,237 | $ 321,110,141 | ||
| Loan portfolio [member] | Foreign currency [member] | ||||
| Disclosure of financial assets [line items] | ||||
| Maximum exposure to credit risk | $ 4,699 | $ 8,349 | ||