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HEDGE ACCOUNTING - Movements of other comprehensive income related to hedges of net investment in foreign operations (Details) - COP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Hedges of net investment in foreign operations [abstract] |  |  |
Hedged Items | $ 514,713 | $ (797,514) | $ (6,675,329)
Hedging financial liabilities in foreign currency | (500,007) | 760,997 | 2,549,821
Hedging derivatives in foreign currency |  |  | $ 4,051,499
Net OCI account | 14,706 | (36,517) |
Multi Financial Holding |  |  |
Hedges of net investment in foreign operations [abstract] |  |  |
Hedged Items | 248,173 | (393,836) |
Hedging financial liabilities in foreign currency | (244,040) | 385,379 |
Net OCI account | 4,133 | (8,457) |
Other subsidiaries and branches Banco de Bogot |  |  |
Hedges of net investment in foreign operations [abstract] |  |  |
Hedged Items | 93,700 | (137,731) |
Hedging financial liabilities in foreign currency | (88,419) | 118,577 |
Net OCI account | 5,281 | (19,154) |
Occidental Bank Barbados Ltd. |  |  |
Hedges of net investment in foreign operations [abstract] |  |  |
Hedged Items | 23,613 | (30,956) |
Hedging financial liabilities in foreign currency | (23,613) | 30,956 |
Banco de Occidente Panama. S.A. |  |  |
Hedges of net investment in foreign operations [abstract] |  |  |
Hedged Items | 39,893 | (42,091) |
Hedging financial liabilities in foreign currency | (39,893) | 42,091 |
Sociedad Portuaria El Cayao S.A. E.S.P. |  |  |
Hedges of net investment in foreign operations [abstract] |  |  |
Hedged Items | 15,975 | (25,513) |
Hedging financial liabilities in foreign currency | (15,974) | 25,513 |
Net OCI account | 1 |  |
Gases del Pacifico S.A.C. |  |  |
Hedges of net investment in foreign operations [abstract] |  |  |
Hedged Items | 18,181 | (32,050) |
Hedging financial liabilities in foreign currency | (12,890) | 23,144 |
Net OCI account | 5,291 | (8,906) |
Gas Natural de Lima y Callao S.A.C. - Calidda |  |  |
Hedges of net investment in foreign operations [abstract] |  |  |
Hedged Items | 58,205 | (106,851) |
Hedging financial liabilities in foreign currency | (58,205) | 106,851 |
Promigas Per S.A.C. |  |  |
Hedges of net investment in foreign operations [abstract] |  |  |
Hedged Items | 2,830 | (4,763) |
Hedging financial liabilities in foreign currency | (2,830) | 4,763 |
Gases del Norte del Peru S.A.C. |  |  |
Hedges of net investment in foreign operations [abstract] |  |  |
Hedged Items | 14,139 | (23,718) |
Hedging financial liabilities in foreign currency | (14,139) | 23,718 |
Promigas Panam Corporation |  |  |
Hedges of net investment in foreign operations [abstract] |  |  |
Hedged Items |  | (5) |
Hedging financial liabilities in foreign currency |  | $ 5 |
Promigas USA INC |  |  |
Hedges of net investment in foreign operations [abstract] |  |  |
Hedged Items | 4 |  |
Hedging financial liabilities in foreign currency | $ (4) |  |

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