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Financial risk management and fair value estimates (Details) - ARS ($) $ in Millions	Jun. 30, 2019	Jun. 30, 2018
Disclosure of risk management strategy related to hedge accounting [line items]
Net monetary position (Liability)/Asset US	$ (14,979)	$ (21,302)
Market Risk [Member] | Argentina, Pesos [Member]
Disclosure of risk management strategy related to hedge accounting [line items]
Net monetary position (Liability)/Asset US	(14,787)	(20,729)
Market Risk [Member] | UYU
Disclosure of risk management strategy related to hedge accounting [line items]
Net monetary position (Liability)/Asset US	$ (192)	$ (573)

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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- Definition

Amount of net monetary position liability asset classified as US.

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