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ACCOUNTING STANDARDS AND BASIS OF PREPARATION - Assumptions utilized to calculate ECL (Detail) | 12 Months Ended
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Dec. 31, 2021 ARS ($)
Personal and Business Banking |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 30.00%
Personal and Business Banking | Open Market | Monthly Economic Activity Estimator | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 143.00%
Personal and Business Banking | Open Market | Monthly Economic Activity Estimator | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 149.00%
Personal and Business Banking | Open Market | Monthly Economic Activity Estimator | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 137.00%
Personal and Business Banking | Open Market | Exchange Rate | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 173.00%
Personal and Business Banking | Open Market | Exchange Rate | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 165.00%
Personal and Business Banking | Open Market | Exchange Rate | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 181.00%
Personal and Business Banking | Income Payroll | Inflation Rate | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 45.90%
Personal and Business Banking | Income Payroll | Inflation Rate | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 40.60%
Personal and Business Banking | Income Payroll | Inflation Rate | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 51.50%
Personal and Business Banking | Income Payroll | Exchange Rate | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 173.00%
Personal and Business Banking | Income Payroll | Exchange Rate | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 165.00%
Personal and Business Banking | Income Payroll | Exchange Rate | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 181.00%
Personal and Business Banking | Senior Citizens | Inflation Rate | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 45.90%
Personal and Business Banking | Senior Citizens | Inflation Rate | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 40.60%
Personal and Business Banking | Senior Citizens | Inflation Rate | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 51.50%
Personal and Business Banking | Senior Citizens | Monthly Economic Activity Estimator | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Activity estimator | 143
Personal and Business Banking | Senior Citizens | Monthly Economic Activity Estimator | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Activity estimator | 149
Personal and Business Banking | Senior Citizens | Monthly Economic Activity Estimator | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Activity estimator | 137
Corporate Banking | All | Monthly Economic Activity Estimator | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Activity estimator | 35.2
Corporate Banking | All | Monthly Economic Activity Estimator | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Activity estimator | 31.6
Corporate Banking | All | Monthly Economic Activity Estimator | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Activity estimator | 38.7
Corporate Banking | All | Interest Rate | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 46.00%
Corporate Banking | All | Interest Rate | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 41.00%
Corporate Banking | All | Interest Rate | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 51.00%
Consumer finance | IUD | Private Sector Wage | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 45.40%
Loss given default | 45.40%
Consumer finance | IUD | Private Sector Wage | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 49.90%
Loss given default | 49.90%
Consumer finance | IUD | Private Sector Wage | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 40.90%
Loss given default | 40.90%
Consumer finance | IUD | Quantity of Private Sector Employment | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Default probability | $ 6,011,000
Consumer finance | IUD | Quantity of Private Sector Employment | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Default probability | 6,016,000
Consumer finance | IUD | Quantity of Private Sector Employment | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Default probability | $ 6,005,000
Consumer finance | IUD Automobile Loans | Inflation Rate | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Loss given default | 45.90%
Consumer finance | IUD Automobile Loans | Inflation Rate | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Loss given default | 40.60%
Consumer finance | IUD Automobile Loans | Inflation Rate | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Loss given default | 51.50%
Consumer finance | IUD Automobile Loans | Quantity of Private Sector Employment | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Default probability | $ 6,011,000
Consumer finance | IUD Automobile Loans | Quantity of Private Sector Employment | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Default probability | 6,016,000
Consumer finance | IUD Automobile Loans | Quantity of Private Sector Employment | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Default probability | $ 6,005,000
Consumer finance | IUD Automobile Loans | Monthly Economic Activity Estimator | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Activity estimator | 143
Consumer finance | IUD Automobile Loans | Monthly Economic Activity Estimator | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Activity estimator | 149
Consumer finance | IUD Automobile Loans | Monthly Economic Activity Estimator | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Activity estimator | 137
Consumer finance | IUD Automobile Loans | Exchange Rate | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 173.00%
Consumer finance | IUD Automobile Loans | Exchange Rate | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 165.00%
Consumer finance | IUD Automobile Loans | Exchange Rate | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probably of default | 181.00%
Supervielle Bank | All | Private Sector Wage | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Loss given default | 45.90%
Supervielle Bank | All | Private Sector Wage | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Loss given default | 40.60%
Supervielle Bank | All | Private Sector Wage | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Loss given default | 51.50%
Supervielle Bank | IUD | Monthly Economic Activity Estimator | Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Activity estimator | 143
Supervielle Bank | IUD | Monthly Economic Activity Estimator | Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Activity estimator | 149
Supervielle Bank | IUD | Monthly Economic Activity Estimator | Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Activity estimator | 137

X
- Definition Amount of default probable credit risk. + References No definition available. + Details
Name: | supv_AmountOfDefaultProbableCreditRisk
Namespace Prefix: | supv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] + References No definition available. + Details
Name: | supv_DisclosureOfPrimaryMacroeconomicDriversOfCreditLossesLineItems
Namespace Prefix: | supv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The activity estimator assumption used in calculating estimated credit loss. + References No definition available. + Details
Name: | supv_EstimatedCreditLossActivityEstimator
Namespace Prefix: | supv_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of loss given default credit risk. + References No definition available. + Details
Name: | supv_PercentageOfLossGivenDefaultCreditRisk
Namespace Prefix: | supv_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The probably of default that is considered as significant increase in credit risk. + References No definition available. + Details
Name: | supv_ProbablyOfDefaultCreditRisk
Namespace Prefix: | supv_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | supv_IndustryAxis=supv_OpenMarketMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | supv_MacroeconomicIndicatorAxis=supv_MonthlyEconomicActivityEstimatorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementScenarioAxis=supv_ScenarioTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementScenarioAxis=supv_ScenarioThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | supv_MacroeconomicIndicatorAxis=supv_ExchangeRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | supv_IndustryAxis=supv_IncomePayrollMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | supv_MacroeconomicIndicatorAxis=supv_InflationRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | supv_IndustryAxis=supv_SeniorCitizensMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=supv_CorporateBankingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | supv_IndustryAxis=supv_AllSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_SegmentsAxis=supv_ConsumerFinanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | supv_IndustryAxis=supv_IudMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | supv_MacroeconomicIndicatorAxis=supv_PrivateSectorWageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
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