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RISK MANAGEMENT - Liquidity risk - Amount of IRL ratio (Details) - COP ($) $ in Billions | 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] |  |
Amount of IRL ratio | $ 10,954 | $ 9,811
Banco de Bogota S.A. | Not later than one month [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Amount of IRL ratio | 2,929 | 2,569
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] |  |
Amount of IRL ratio | 5,028 | 5,610
Banco de Occidente S.A. | Not later than one month [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Amount of IRL ratio | 1,814 | 1,816
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] |  |
Amount of IRL ratio | 3,581 | 4,642
Banco Popular S.A. | Not later than one month [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Amount of IRL ratio | 894 | 1,526
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] |  |
Amount of IRL ratio | 1,665 | 2,028
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] |  |
Amount of IRL ratio | 688 | 993
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] |  |
Amount of IRL ratio | 903 | 1,207
Corporacion Financiera Colombiana S.A. | Not later than one month [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Amount of IRL ratio | 561 | 661
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] |  |
Amount of IRL ratio | 11 | 14
Aval Fiduciaria S.A | Not later than one month [member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Amount of IRL ratio | (18) | 1
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] |  |
Amount of IRL ratio | $ 20 | $ 27

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