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Employee Benefits (Details Textual) - ARS ($) | 12 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Statement Line Items [Line Items] |  |  |
Granting fair value per share | $ 23.5 |  |
Defined contribution plan, description | The Plan was effective as from January 1, 2006. Participants can make pre-tax contributions to the Plan of up to 2.5% of their monthly salary ("Base Contributions") and up to 15% of their annual bonus ("Extraordinary Contributions"). Under the Plan, the Group matches employee contributions to the plan at a rate of 200% for Base Contributions and 300% for Extraordinary Contributions. |  |
Percentage of contributions access | 100.00% |  |
Resignation or termination, description | In case of resignation or termination without fair cause, the manager will receive the Group's contribution only if he or she has participated in the Plan for at least 5 years. |  |
Contributions plan amount | $ 23,000,000 | $ 50,000,000 |
key management personnel expense | 44,000,000 | 46,000,000 | $ 163,000,000
Incentive Plan [Member] |  |  |
Statement Line Items [Line Items] |  |  |
Reserve | 4,000,000 | 4,000,000 |
Employee benefits charges | $ 280,000 | $ 15,200,000 | 32,000,000
Employee benefits unrecognized expense |  |  | $ 13,600,000

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- Definition The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_102&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 99 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_99&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 104 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_104&doctype=Standard -URIDate 2019-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_17_e&doctype=Standard -URIDate 2019-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition A component of equity resulting from share-based payments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_78_e&doctype=Standard -URIDate 2019-03-27 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Contributions plan amount. + References No definition available. + Details
Name: | irsa_ContributionsPlanAmount
Namespace Prefix: | irsa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Defined contribution plan, description. + References No definition available. + Details
Name: | irsa_DefinedContributionPlanDescription
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Employee benefits unrecognized expense. + References No definition available. + Details
Name: | irsa_EmployeeBenefitsUnrecognizedExpense
Namespace Prefix: | irsa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Granting fair value per share. + References No definition available. + Details
Name: | irsa_GrantingFairValuePerShare
Namespace Prefix: | irsa_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | irsa_IfrsStatementLineItems
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Balance Type: | na
Period Type: | duration

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- Definition Percentage of contributions access. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Resignation or termination, description. + References No definition available. + Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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