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Rights of use of assets (Details 2) - ARS ($)
$ in Millions
Jun. 30, 2020
Jun. 30, 2019
Statement Line Items [Line Items]    
Total depreciation of right-of-use assets $ 4,711
Real Estate [Member]    
Statement Line Items [Line Items]    
Total depreciation of right-of-use assets 538
Telecommunications [Member]    
Statement Line Items [Line Items]    
Total depreciation of right-of-use assets 3,155
Others [Member]    
Statement Line Items [Line Items]    
Total depreciation of right-of-use assets $ 1,018