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Investment properties (Details 3) - Level 3 [Member] - ARS ($)
 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Shopping Malls in Argentina [Member]      
Statement [Line Items]      
Fair value of investment properties, valuation technique Discounted cash flows    
Shopping Malls in Argentina [Member] | Discount rate [Member]      
Statement [Line Items]      
Fair value investment properties, range 13.53%   12.10%
Fair value investment properties, increase $ (3,840) $ (6,387) $ (4,906)
Fair value investment properties, decrease 4,589 7,821 6,118
Shopping Malls in Argentina [Member] | Growth rate [Member]      
Statement [Line Items]      
Fair value investment properties, increase 1,759 3,045 2,307
Fair value investment properties, decrease $ (1,472) (2,486) $ (1,850)
Fair value investment properties, range 2.40%   3.00%
Shopping Malls in Argentina [Member] | Inflation [Member]      
Statement [Line Items]      
Fair value investment properties, increase $ 8,171 13,296 $ 4,296
Fair value investment properties, decrease (6,740) (10,938) (3,932)
Shopping Malls in Argentina [Member] | Devaluation [Member]      
Statement [Line Items]      
Fair value investment properties, increase (4,357) (6,181) (4,559)
Fair value investment properties, decrease $ 5,325 7,555 5,571
Plot of land in Argentina [Member]      
Statement [Line Items]      
Fair value of investment properties, valuation technique comparable with incidence adjustment    
Fair value of investment properties, value per square meter $ 47,427,000,000   $ 21,497,000,000
Fair value of investment properties, percentage of incidence 30.00%   30.00%
Plot of land in Argentina [Member] | Value per square meter [Member]      
Statement [Line Items]      
Fair value investment properties, increase $ 3,493 3,243 $ 2,007
Fair value investment properties, decrease (3,493) (3,243) (2,007)
Plot of land in Argentina [Member] | Percentage of incidence [Member]      
Statement [Line Items]      
Fair value investment properties, increase 11,644 10,808 6,696
Fair value investment properties, decrease $ (11,644) $ (10,808) $ 6,696