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ACCOUNTING STANDARDS AND BASIS OF PREPARATION - Allowance for Loan Losses (Details) | 12 Months Ended |
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Dec. 31, 2021 segment item | Dec. 31, 2020 item
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |
Number of segments | segment | 3 |
Number of scenarios considered to estimate credit losses captured non linealrities | 3 | 3
Minimum |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |
Portfolio classification score under Argentina Central Bank | 1 |
Number of notes whose internal behavior score is deteriorated from the approval score | 2 |
Minimum | Corporate Banking |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |
Past due accounts that raises significant increase in credit risk | 31 days |
Maximum | Corporate Banking |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |
Past due accounts that raises significant increase in credit risk | 90 days |
Consumer [member] |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |
Period past for financial instruments in default and credit impaired | 90 days |
Consumer [member] | Minimum |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |
Past due accounts that raises significant increase in credit risk | 31 days |
Consumer [member] | Maximum |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |
Past due accounts that raises significant increase in credit risk | 90 days |
Personal and Business Banking |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |
Probably of default that raises significant increase in credit risk | 30.00% |
Period past for financial instruments in default and credit impaired | 90 days |
Personal and Business Banking | Minimum |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |
Past due accounts that raises significant increase in credit risk | 31 days |
Personal and Business Banking | Maximum |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |
Past due accounts that raises significant increase in credit risk | 90 days |
Corporate Banking |  |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |  |
Period past for financial instruments in default and credit impaired | 90 days |

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- Definition Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] + References No definition available. + Details
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- Definition Number of operating segments identified by the entity. + References No definition available. + Details
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- Definition Portfolio classification under Argentine Central Bank regulation considered for increase in credit risk. + References No definition available. + Details
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- Definition Represents internal behavioral score deteriorated by more than two notes from its credit approval score considered for increase in credit risk. + References No definition available. + Details
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- Definition The number of scenarios considered to estimate credit losses captured non-linealrities. + References No definition available. + Details
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- Definition The period after which financial instruments are considered in default and credit impaired, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The probably of default that is considered as significant increase in credit risk. + References No definition available. + Details
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- Details
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