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Leases (Details) - ARS ($)
$ in Millions
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Disclosure of maturity analysis of operating lease payments [line items]      
Operating Lease by lessee $ 9,972 $ 23,076 $ 16,243
No later than one year [Member]      
Disclosure of maturity analysis of operating lease payments [line items]      
Operating Lease by lessee 2,308 8,663 4,832
Later than one year and not later than five years [Member]      
Disclosure of maturity analysis of operating lease payments [line items]      
Operating Lease by lessee 5,266 13,511 9,955
Later than five years [Member]      
Disclosure of maturity analysis of operating lease payments [line items]      
Operating Lease by lessee $ 2,398 $ 902 $ 1,456