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RISK MANAGEMENT - Liquidity risk - Liquid assets and LRI (Details) - COP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Banco de Bogota S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | $ 13,469,768 | $ 11,924,823
Banco de Occidente S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 9,284,616 | 8,638,565
Banco Popular S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 4,030,595 | 4,896,134
Banco Comercial AV Villas S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 2,145,763 | 2,328,186
Corporacion Financiera Colombiana S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 1,908,014 | 2,073,055
Aval Fiduciaria S.A |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 18,675 | 30,428
Aval Casa de Bolsa S.A |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 23,450 | 28,710
Later than one day and not later than seven days [member] | Banco de Bogota S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 10,953,748 | 9,811,253
Later than one day and not later than seven days [member] | Banco de Occidente S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 6,461,637 | 6,727,345
Later than one day and not later than seven days [member] | Banco Popular S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 3,580,936 | 4,641,802
Later than one day and not later than seven days [member] | Banco Comercial AV Villas S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 1,665,301 | 2,027,630
Later than one day and not later than seven days [member] | Corporacion Financiera Colombiana S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 902,572 | 1,138,855
Later than one day and not later than seven days [member] | Aval Fiduciaria S.A |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 11,010 | 13,512
Later than one day and not later than seven days [member] | Aval Casa de Bolsa S.A |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 19,637 | 26,796
Not later than one month [member] | Banco de Bogota S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 2,928,936 | 2,568,828
Not later than one month [member] | Banco de Occidente S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 2,946,224 | 2,531,186
Not later than one month [member] | Banco Popular S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 893,612 | 1,525,529
Not later than one month [member] | Banco Comercial AV Villas S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 687,963 | 992,892
Not later than one month [member] | Corporacion Financiera Colombiana S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets | 560,871 | 222,748
Not later than one month [member] | Aval Fiduciaria S.A |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets |  | 1,413
Liquid assets (liabilities) | (18,256) |
Later than one month and not later than three months [member] | Banco de Bogota S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets (liabilities) | (16,891,633) | (15,278,208)
Later than one month and not later than three months [member] | Banco de Occidente S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets (liabilities) | (11,199,262) | (8,473,508)
Later than one month and not later than three months [member] | Banco Popular S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets (liabilities) | (5,667,658) | (5,458,950)
Later than one month and not later than three months [member] | Banco Comercial AV Villas S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets (liabilities) | (2,909,334) | (2,408,230)
Later than one month and not later than three months [member] | Corporacion Financiera Colombiana S.A. |  |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |  |
Liquid assets (liabilities) | $ (649,409) | $ (893,740)

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