Name:	supv_CentralBankOfArgentineRepublicThresholdCreditRiskSituation
Namespace Prefix:	supv_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

The threshold number of credit deteriorated notes for significant increase in credit risk.

No definition available.

Name:	supv_CreditRatingDeteriorationNumberOfNotes
Namespace Prefix:	supv_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The minimum absolute difference between two credit scores, such as the current behavior score and the credit application score, that must be exceeded for a financial instrument to be considered as having experienced a significant increase in credit risk.

No definition available.

Name:	supv_CreditRiskMinimumAbsoluteCreditScoreDeviationThreshold
Namespace Prefix:	supv_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Disclosure of Primary Macroeconomic Drivers of Credit Losses [line items]

No definition available.

Name:	supv_DisclosureOfPrimaryMacroeconomicDriversOfCreditLossesLineItems
Namespace Prefix:	supv_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The number of scenarios considered to estimate credit losses captured non-linealrities.

No definition available.

Name:	supv_NumberOfScenariosConsideredToEstimateCreditLossesCapturedNonLinealrities
Namespace Prefix:	supv_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

The period past due accounts considered as significant increase in credit risk

No definition available.

Name:	supv_PastDueAccountsCreditRisk
Namespace Prefix:	supv_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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.

No definition available.

Name:	supv_PeriodPastForFinancialInstrumentsInDefaultAndCreditImpaired
Namespace Prefix:	supv_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The probably of default that is considered as significant increase in credit risk.

No definition available.

Name:	supv_ProbablyOfDefaultCreditRisk
Namespace Prefix:	supv_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Name:	ifrs-full_SegmentsAxis=supv_PersonalAndBusinessMember
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Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
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Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
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