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Financial risk management and fair value estimates (Details) - ARS ($) $ in Millions	Jun. 30, 2021	Jun. 30, 2020
Statement [Line Items]
Net monetary position (liability) /asset	$ (43,811)	$ (57,444)
Market Risk [Member] | Uruguayan Peso [Member]
Statement [Line Items]
Net monetary position (liability) /asset	0	228
Market Risk [Member] | Argentina country [Member]
Statement [Line Items]
Net monetary position (liability) /asset	$ (43,811)	$ (57,672)

X

- Definition

Amount of net monetary position liability asset classified as US.

+ References

No definition available.

+ Details

Name:	irsa_NetMonetaryPositionLiabilityassetUS
Namespace Prefix:	irsa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	irsa_StatementLineItems
Namespace Prefix:	irsa_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_MarketRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MeasurementAxis=irsa_UruguayanPesosMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=irsa_ARSMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: