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ACCOUNTING STANDARDS AND BASIS OF PREPARATION - Probabilities (Detail) | 12 Months Ended
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Dec. 31, 2023
Scenario one [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probability of occurrences | 60.00%
Scenario Two [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probability of occurrences | 20.00%
Scenario Three [member] |
Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items] |
Probability of occurrences | 20.00%

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

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- Definition Scenario Weighted Using Probability Percentage + References No definition available. + Details
Name: | supv_ScenarioWeightedUsingProbabilityPercentage
Namespace Prefix: | supv_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_StatementScenarioAxis=supv_ScenarioOneMember
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: |