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Income tax (Details Textual) - ARS ($)
$ in Millions
 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Statement Line Items [Line Items]      
Deferred income tax liabilities, not recognize $ (43,404) $ (52,019)  
Deferred liability, group recognized $ 906 938  
Tax inflation adjustment, description (i) the update of the cost for goods acquired or investments made in the fiscal years that begin as of January 1, 2018 (applicable to IRSA for the year end June 30, 2019), considering the percentage variations of the CPI provided by the National Institute of Statistics and Census (INDEC); and (ii) the application of the adjustment set forth in Title VI of the Income Tax Law when a percentage of variation -of the aforementioned index price - accumulated in thirty-six (36) months prior to the fiscal year end that is liquidated, is greater than 100%, or, with respect to the first, second and third year after its validity, this procedure will be applicable in case the accumulated variation of that index price, calculated from the beginning of the first of them and until the end of each year, exceeds 55%, 30% and 15% for the first, second and third year of application, respectively. At the end of this year, there has been an accumulative variation of 55.72% in the index price that exceeds the expected condition of 55% for the application of the adjustment in said first year. Consequently, the tax inflation adjustment has been applied and the cost of goods acquired during the year 2019 has been updated as established in article 58 of the Argentine Income Tax Law.    
Maximum [Member]      
Statement Line Items [Line Items]      
Reduction of the corporate tax rate     35.00%
Tax rate applicable to the companies 30.00%    
Bottom of range [member]      
Statement Line Items [Line Items]      
Reduction of the corporate tax rate     21.00%
Tax rate applicable to the companies 25.00%    
Joint Ventures [Member]      
Statement Line Items [Line Items]      
Deferred income tax liabilities, not recognize $ 90 86  
Israel Operations Center [Member]      
Statement Line Items [Line Items]      
Deferred income tax assets, not recognize 451,496 321,258  
Argentine Operations Center [Member]      
Statement Line Items [Line Items]      
Deferred income tax assets, not recognize $ 131 $ 7,376