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Employee Benefits (Details) - shares	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Employee Benefits [Abstract]
At the beginning	2,828,470	3,347,201	3,507,947
Additions
Disposals
Granted	(437,304)	(518,731)	(160,746)
At the end	2,391,166	2,828,470	3,347,201

X

- Definition

The movements in the number of matching shares outstanding under the incentive plan additions.

+ References

No definition available.

+ Details

Name:	irsa_Additions
Namespace Prefix:	irsa_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The movements in the number of matching shares outstanding under the incentive plan disposals.

+ References

No definition available.

+ Details

Name:	irsa_Disposals
Namespace Prefix:	irsa_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

The movements in the number of matching shares outstanding under the incentive plan granted.

+ References

No definition available.

+ Details

Name:	irsa_Granted
Namespace Prefix:	irsa_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The begainning movements in the number of matching shares outstanding under the incentive plan.

+ References

No definition available.

+ Details

Name:	irsa_NumberOfSharesIncentivePlan
Namespace Prefix:	irsa_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant