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RISK MANAGEMENT - Investment debt securities - Concentration by sovereign risk - Tabular disclosure (Details) - COP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 36,072,003 | $ 27,718,721
Central Government debt instruments held, Percentage | 100.00% | 100.00%
Central Banks [Member] |  |
Disclosure of financial assets [line items] |  |
Central Bank debt instruments held, Percentage | 100.00% | 100.00%
Total Sovereign Risk | $ 36,276,858 | $ 27,864,210
Investment grade |  |
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 32,861,347 | $ 25,238,131
Central Government debt instruments held, Percentage | 91.10% | 91.05%
Investment grade | Central Banks [Member] |  |
Disclosure of financial assets [line items] |  |
Central Bank debt instruments held | $ 204,855 | $ 145,489
Central Bank debt instruments held, Percentage | 100.00% | 100.00%
Investment grade | COLOMBIA |  |
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 28,361,534 | $ 22,768,597
Central Government debt instruments held, Percentage | 78.64% | 82.14%
Investment grade | PANAMA |  |
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 2,724,276 | $ 1,077,656
Central Government debt instruments held, Percentage | 7.55% | 3.89%
Investment grade | PANAMA | Central Banks [Member] |  |
Disclosure of financial assets [line items] |  |
Central Bank debt instruments held | $ 204,855 | $ 145,489
Central Bank debt instruments held, Percentage | 100.00% | 100.00%
Investment grade | CHILE |  |
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 238,765 | $ 3,768
Central Government debt instruments held, Percentage | 0.66% | 0.01%
Investment grade | PERU |  |
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 37,023 |
Central Government debt instruments held, Percentage | 0.10% |
Investment grade | GERMANY |  |
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 15,806 |
Central Government debt instruments held, Percentage | 0.04% |
Investment grade | MEXICO |  |
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 17,987 | $ 16,268
Central Government debt instruments held, Percentage | 0.05% | 0.06%
Investment grade | UNITED STATES |  |
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 1,465,956 | $ 1,371,842
Central Government debt instruments held, Percentage | 4.06% | 4.95%
Speculative grade |  |
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 3,210,656 | $ 2,480,590
Central Government debt instruments held, Percentage | 8.90% | 8.95%
Speculative grade | BRAZIL |  |
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 30,266 | $ 27,643
Central Government debt instruments held, Percentage | 0.08% | 0.10%
Speculative grade | COLOMBIA |  |
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 3,101,625 | $ 2,384,493
Central Government debt instruments held, Percentage | 8.60% | 8.60%
Speculative grade | COSTA RICA |  |
Disclosure of financial assets [line items] |  |
Central Government debt instruments held | $ 78,765 | $ 68,454
Central Government debt instruments held, Percentage | 0.22% | 0.25%

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