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REPORTING ENTITY - Spin off BAC Holding - Realization of other comprehensive income (Details) - COP ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Other Comprehensive Income items which were reclassified to profit or loss |  |  |  |
Hedged Items |  | $ 514,713 | $ (797,514) | $ (6,675,329)
Hedging derivative instruments |  |  |  | 4,051,499
Hedging non-derivative instruments |  | (500,007) | 760,997 | 2,549,821
Foreign currency translation differences from unhedged foreign operations |  | 247,019 | (409,671) | 1,356,213
Unrealized gains on debt securities at FVOCI |  | (112,692) | 1,795,666 | (2,187,495)
Income tax |  | 238,675 | (818,733) | (1,926,071)
Total other comprehensive income that will be reclassified to profit or loss, net of tax |  | $ 458,118 | $ 458,930 | (2,752,028)
BAC Holding International Corp |  |  |  |
Other Comprehensive Income items which were reclassified to profit or loss |  |  |  |
Total other comprehensive income that will be reclassified to profit or loss, net of tax |  |  |  | $ 1,429,325
BAC Holding International Corp | Ifrs Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] |  |  |  |
Other Comprehensive Income items which were reclassified to profit or loss |  |  |  |
Hedged Items | $ 6,551,200 |  |  |
Hedging derivative instruments | (4,013,210) |  |  |
Hedging non-derivative instruments | (2,761,143) |  |  |
Foreign currency translation differences from unhedged foreign operations | (1,267,033) |  |  |
Unrealized gains on debt securities at FVOCI | 98,947 |  |  |
Income tax | 2,443,861 |  |  |
Total other comprehensive income that will be reclassified to profit or loss, net of tax | 1,052,622 |  |  |
Total other comprehensive income that will be reclassified to profit or loss, net of tax - Attributable to owners of the parent | 723,535 |  |  |
Total reclassifications of Other Comprehensive Income to profit or loss - Attributable to non-controlling interest | 329,087 |  |  |
Total reclassifications of Other Comprehensive Income to retained earnings | (7,735) |  |  |
Total reclassifications of Other Comprehensive Income to retained earnings - Attributable to owners of the parent | (5,317) |  |  |
Total reclassifications of Other Comprehensive Income to retained earnings - Attributable to non-controlling interest | $ (2,418) |  |  |
Proportion of ownership interest in subsidiary | 68.74% |  |  |

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