Represents the banking business days of deposit rates based on which reference rates are determined.

No definition available.

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

Represents the banking business days of passive rates based on which reference rates are determined.

No definition available.

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

No definition available.

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

The amount of insurance coverage of demand and time deposits of customers in a bank.

No definition available.

Name:	supv_InsuranceCoverageOfDemandDepositsAndTimeDeposits
Namespace Prefix:	supv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the maximum fixed term deposits on which reference rate applies.

No definition available.

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

Represents the maximum term deposits on which reference rate applies.

No definition available.

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

Represents the number of times exceeding the rate for term deposits and investments.

No definition available.

Name:	supv_NumberOfTimesExceedingRateForTermDepositsAndInvestment
Namespace Prefix:	supv_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

The basis (reference rate) used for calculation of the interest rate on term deposits and investments.

No definition available.

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

CONTRIBUTION TO THE DEPOSIT INSURANCE SYSTEM - (Details)		12 Months Ended
	Apr. 17, 2020 ARS ($)	Dec. 31, 2024	Apr. 01, 2024 ARS ($)	Jan. 01, 2023 ARS ($)	May 01, 2020 ARS ($)	Apr. 17, 2020 USD ($)	Mar. 01, 2019 ARS ($)
CONTRIBUTION TO THE DEPOSIT INSURANCE SYSTEM
Insurance coverage of demand and time deposits			$ 25,000,000	$ 6,000,000	$ 1,500,000		$ 1,000,000
Number of times exceeding the rate for term deposits and investment	1.3	1.3
Interest rate basis	5.00%	5.00%
Banking business days of passive rates to determine reference rates	5
Maximum term deposits for reference rates	$ 100,000
Banking business days of deposit rates to determine reference rates	5
Maximum fixed-term deposits for reference rates	$ 50,000,000					$ 100