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v3.23.1

ACCOUNTING STANDARDS AND BASIS OF PREPARATION - Useful Life for Property, Plant and Equipment (Detail) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Buildings [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Estimated useful life | 50 years |
Furnitures [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Estimated useful life | 10 years |
Machinery and equipment [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Estimated useful life | 5 years | 5 years
Vehicles [member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Estimated useful life | 5 years | 5 years

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_c&doctype=Standard -URIDate 2021-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=supv_FurnituresMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_MachineryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_VehiclesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |