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ACCOUNTING STANDARDS AND BASIS OF PREPARATION - IAS 29 (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
ACCOUNTING STANDARDS AND BASIS OF PREPARATION
Annual	117.80%	211.40%	94.80%
Accumulated 3 years	1221.00%	815.60%	300.30%

X

- Definition

Accumulated consumer prices Index

+ References

No definition available.

+ Details

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X

- Definition

Consumer prices index.

+ References

No definition available.

+ Details

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

X

- Definition

Disclosure of significant accounting policies.

+ References

No definition available.

+ Details

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