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HEDGE ACCOUNTING - Interest rate swaps and cross currency swaps (Details) $ in Thousands, $ in Millions | Dec. 31, 2024 USD ($) | Dec. 31, 2024 COP ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 COP ($)
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Disclosure of detailed information about hedging instruments [line items] |  |  |  |
Hedging derivatives |  | $ 54,019 |  | $ 48,662
Other Accounts Receivable [Member] | Banco de Bogota S.A. | Hedges of net investment in foreign operations [member] |  |  |  |
Disclosure of detailed information about hedging instruments [line items] |  |  |  |
Nominal amount Hedged Item Thousands of U.S. dollar | $ 320,195 |  | $ 309,788 |
Notional amount contracts forward U.S. dollars | 320,195,000 |  | 309,788,000 |
% hedged | 1.00% | 1.00% | 1.00% | 1.00%
Hedging derivatives |  | $ 1,411,786 |  | $ 1,184,025
# of contracts |  | 1 |  | 1
Other Accounts Receivable [Member] | Corficolombiana | Hedges of net investment in foreign operations [member] |  |  |  |
Disclosure of detailed information about hedging instruments [line items] |  |  |  |
Nominal amount Hedged Item Thousands of U.S. dollar | $ 5,373,000 |  | $ 7,610,000 |
Notional amount contracts forward U.S. dollars | 5,373,000 |  | 7,610,000 |
% hedged | 1.00% | 1.00% | 1.00% | 1.00%
# of contracts |  | 11 |  | 17
Financial obligations [member] | Banco de Bogota S.A. | Hedges of net investment in foreign operations [member] |  |  |  |
Disclosure of detailed information about hedging instruments [line items] |  |  |  |
Nominal amount Hedged Item Thousands of U.S. dollar | $ 896,761,000 |  | $ 1,097,038,000 |
Notional amount contracts forward U.S. dollars | 897,700,000 |  | 1,098,950,000 |
% hedged | 1.00% | 1.00% | 1.00% | 1.00%
Hedging derivatives |  | $ 3,884,510 |  | $ 4,152,626
# of contracts |  | 49 |  | 74

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