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ACCOUNTING STANDARDS AND BASIS OF PREPARATION - ECL Sensitivity (Details) $ in Thousands, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 ARS ($) | Feb. 27, 2024 USD ($) | Dec. 31, 2022 ARS ($)
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |  |
Reported ECL allowance | $ 17,448,828 |  |
Financial assets | $ 1,861,901,319 | $ 8,563 | $ 1,928,871,913
Reported Loss rate | 3.49% |  |
Irregular Portfolio Coverage | 236.48% |  |
Favorable [member] |  |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |  |
Reported ECL allowance | $ 15,715,368 |  |
Reported Loss rate | 3.14% |  |
Portfolio coverage ratio | 212.98% |  |
Unfavorable [member] |  |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |  |
Reported ECL allowance | $ 19,595,418 |  |
Reported Loss rate | 3.92% |  |
Portfolio coverage ratio | 265.57% |  |
Gross carrying amount |  |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |  |
Financial assets | $ 499,903,912 |  |

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