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Leases (Details) - ARS ($)
$ in Millions
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Disclosure of maturity analysis of operating lease payments [line items]      
Operating Lease by lessee $ 16,145 $ 11,365 $ 19,787
Less Than 1 year [Member]      
Disclosure of maturity analysis of operating lease payments [line items]      
Operating Lease by lessee 6,061 3,381 4,513
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 9,453 6,965 12,366
Later Than Five Years [Member]      
Disclosure of maturity analysis of operating lease payments [line items]      
Operating Lease by lessee $ 631 $ 1,019 $ 2,908