Name:	ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_NotionalAmount
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

The cash inflow from borrowings obtained. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2025-01-01
-Paragraph 17
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17_c&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Maximum grace period allowed for the loan under the financing arrangement.

No definition available.

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

Maximum number of renewals allowed for a debt instrument under the financing arrangement.

No definition available.

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

Period of time renewals allowed for a debt instrument under the financing arrangement.

No definition available.

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

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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

Number of tranches.

No definition available.

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

Name:	ifrs-full_BorrowingsByNameAxis=supv_LoanaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_CounterpartyNameAxis=supv_InterAmericanDevelopmentBankInvestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_CounterpartyNameAxis=supv_JicaFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: