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REPORTING ENTITY - Spin off BAC Holding - Impacts on assets, liabilities and equity recognized (Details) - COP ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total assets |  | $ 301,181,596 | $ 295,591,236
Total liabilities |  | 269,661,180 | 264,769,577
Non-controlling interests |  | 14,737,744 | 14,354,689
Equity attributable to owners of the parent |  | $ 16,782,672 | $ 16,466,970
BAC Holding International Corp | Ifrs Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] |  |  |
Disclosure of analysis of single amount of discontinued operations [line items] |  |  |
Total assets | $ 111,185,832 |  |
Total liabilities | 98,305,772 |  |
Non-controlling interests | 1,961 |  |
Equity attributable to owners of the parent | $ 12,878,099 |  |
Percentage of spin off | 75.00% |  |
Spin-off amount | $ 9,658,574 |  |
Proportion of ownership interest in subsidiary | 68.74% |  |
Effect of the spin-off on owners of the parent | $ (6,638,961) |  |
Effect of the spin-off on non-controlling interest | $ (3,019,613) |  |

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