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RISK MANAGEMENT - Liquidity risk - Percentage of IRL ratio (Details) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Banco de Bogota S.A. | Later than one day and not later than seven days [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 535.00% | 564.00%
Banco de Bogota S.A. | Not later than one month [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 128.00% | 127.00%
Banco de Occidente S.A. | Later than one day and not later than seven days [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 289.00% | 419.00%
Banco de Occidente S.A. | Not later than one month [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 131.00% | 133.00%
Banco Popular S.A. | Later than one day and not later than seven days [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 896.00% | 1925.00%
Banco Popular S.A. | Not later than one month [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 129.00% | 145.00%
Banco Comercial AV Villas S.A. | Later than one day and not later than seven days [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 447.00% | 775.00%
Banco Comercial AV Villas S.A. | Not later than one month [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 147.00% | 174.00%
Corporacion Financiera Colombiana S.A. | Later than one day and not later than seven days [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 190.00% | 255.00%
Corporacion Financiera Colombiana S.A. | Not later than one month [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 142.00% | 150.00%
Aval Fiduciaria S.A | Later than one day and not later than seven days [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 244.00% | 180.00%
Aval Fiduciaria S.A | Not later than one month [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 51.00% | 105.00%
Aval Casa de Bolsa S.A | Later than one day and not later than seven days [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Percentage of IRL ratio | 6.00% | 15.00%

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