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

The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 160
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a_iv&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph B10
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a_iv&doctype=Appendix&subtype=B
-URIDate 2025-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 79
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a_iv&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_NumberOfSharesOutstanding
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Amount of stock repurchase plan authorized.

No definition available.

Name:	supv_IfrsStockRepurchaseProgramAuthorizedAmount
Namespace Prefix:	supv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

No definition available.

Name:	supv_IfrsStockRepurchasedDuringPeriodShares
Namespace Prefix:	supv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Number of treasury shares cancelled.

No definition available.

Name:	supv_NumberOfTreasurySharesCancelled
Namespace Prefix:	supv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Represents the number of votes per share.

No definition available.

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

Percentage of group's share capital held in treasury.

No definition available.

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

The price to be paid for repurchase of shares.

No definition available.

Name:	supv_ShareRepurchasePricePerShare
Namespace Prefix:	supv_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

The percent of shares authorized to be repurchased under share repurchase program.

No definition available.

Name:	supv_StockRepurchaseProgramAuthorizedPercent
Namespace Prefix:	supv_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The shares authorized to be repurchased as percentage of average daily transaction volume during previous 90 business days under share repurchase program.

No definition available.

Name:	supv_StockRepurchaseProgramAuthorizedPercentOfAverageDailyTransactionVolume
Namespace Prefix:	supv_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The percent of share repurchase executed during the period under share repurchase program.

No definition available.

Name:	supv_StockRepurchaseProgramPercentOfShareRepurchaseExecuted
Namespace Prefix:	supv_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The percent of shares repurchased during the period under share repurchase program.

No definition available.

Name:	supv_StockRepurchaseProgramPercentOfSharesRepurchased
Namespace Prefix:	supv_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The term for share repurchase program.

No definition available.

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

Threshold period considered for determination of cancellation of treasury shares.

No definition available.

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

The acquisition cost of ordinary shares that were repurchased.

No definition available.

Name:	supv_TreasurySharesAcquisitionCost
Namespace Prefix:	supv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Number of shares acquired and held in treasury.

No definition available.

Name:	supv_TreasuryStockNumberOfShares
Namespace Prefix:	supv_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Name:	srt_ShareRepurchaseProgramAxis=supv_FirstShareRepurchaseProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_ShareRepurchaseProgramAxis=supv_SecondShareRepurchaseProgramInitialApprovalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_ShareRepurchaseProgramAxis=supv_SecondShareRepurchaseProgramModificationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_ShareRepurchaseProgramAxis=supv_SecondShareRepurchaseProgramFinalAmendmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfShareCapitalAxis=supv_AmericanDepositarySharesEachRepresenting5ClassBSharesOfGrupoSupervielleS.a.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfShareCapitalAxis=supv_ClassBOrdinarySharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_ShareRepurchaseProgramAxis=supv_SecondShareRepurchaseProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ifrs-full_MajorOrdinaryShareTransactionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfShareCapitalAxis=supv_ClassAOrdinarySharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: