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REPO AND REVERSE REPO TRANSACTIONS - (Details) - ARS ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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REPO AND REVERSE REPO TRANSACTIONS |  |
Book Value | $ 21,581,438 | $ 83,468,057

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- Definition Disclosure of repo transactions + References No definition available. + Details
Name: | supv_DisclosureOfRepoTransactionsAbstract
Namespace Prefix: | supv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Reverse repo transaction assets. + References No definition available. + Details
Name: | supv_ReverseRepoTransactionAssets
Namespace Prefix: | supv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant