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INCOME TAX - Reconciliation between total expenses of income tax and tax expense - Tabular disclosure (Details) - COP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of income tax [line items] |  |  |
Profit before income tax | $ 3,487,550 | $ 6,274,371 | $ 6,364,618
Enacted tax rate | 40.00% | 38.00% | 34.00%
Theoretical income tax expense | $ 1,395,020 | $ 2,384,261 | $ 2,163,970
Non deductible expenses | 872,723 | 465,986 | 378,301
Tax losses considered non recoverable for income tax purpose | 71,741 | 192,470 | 9,480
Presumptive income considered non recoverable for income tax purpose | (23) | (7,666) | (7,845)
Nontaxable dividends | (47,242) | (40,420) | (51,334)
Nontaxable income under equity method in associates | (150,626) | (141,655) | (111,736)
Profit (loss) on sales or appraisal of investment | (5,009) | (439) | (695)
Nontaxable interest income and other income | (274,758) | (281,715) | (133,711)
Other nontaxable income | (182,121) | (578,592) | (283,755)
Non-accountable tax revenues in Sale of BHI | 114,201 | 543,879 |
Revenues taxable by different tax rate | 47,139 | 9,218 | 1,453
Tax benefits in the acquisition of property and equipment | (32,493) | (34,018) | (22,431)
Tax discounts | (25,086) | (80,804) | (91,829)
Profits (losses) in Subsidiaries in tax free countries or with different tax rate | (246,999) | (188,701) | (55,366)
Effect on the deferred income tax due to changes in tax rates | (176,764) | 56,129 | 587,939
Prior years adjustments | (20,491) | (35,553) | (102,937)
Adjustments due to uncertain tax positions in previous year | (772) | (6,802) | (933)
Deferred taxes - Prior years adjustments | (165) | 7,857 | 34,573
Withholding Tax | 9,479 | 654 | 4,399
Other | (37,320) | 7,315 | 5,885
Total tax expense | $ 1,310,434 | $ 2,271,404 | $ 2,323,428
Effective income tax rate | 37.57% | 36.20% | 36.51%
Tax losses on which no deferred tax asset recorded | $ 71,741 | $ 192,470 | $ 9,480
Deferred tax rate (as a percent) | 35.00% |  |
Statutory tax rate (as a percent) |  |  | 36.00%
Banco de Bogota S.A. |  |  |
Disclosure of income tax [line items] |  |  |
Effect on the deferred income tax due to changes in tax rates |  |  | $ (262,901)
Banco de Occidente S.A. |  |  |
Disclosure of income tax [line items] |  |  |
Effect on the deferred income tax due to changes in tax rates | $ (36,523) |  |
Banco Popular S.A. |  |  |
Disclosure of income tax [line items] |  |  |
Effect on the deferred income tax due to changes in tax rates | (57,700) |  |
Corficolombiana |  |  |
Disclosure of income tax [line items] |  |  |
Effect on the deferred income tax due to changes in tax rates | (87,085) |  | $ (133,329)
Rent surcharge rate |  |  | 4.00%
Other entities |  |  |
Disclosure of income tax [line items] |  |  |
Effect on the deferred income tax due to changes in tax rates |  |  | $ (7,611)
Nexa , Barbados And Other Subsidiaries |  |  |
Disclosure of income tax [line items] |  |  |
Effect on the deferred income tax due to changes in tax rates | $ 4,544 |  |
Costa Rica |  |  |
Disclosure of income tax [line items] |  |  |
Enacted tax rate |  |  | 30.00%

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