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SIGNIFICANT ACCOUNTING POLICIES, Property, Plant and Equipment (Details) $ in Thousands, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 ARS ($) | Dec. 31, 2018 ARS ($) | Dec. 31, 2017 ARS ($) | Dec. 31, 2019 USD ($)
Property, plant and equipment [Abstract] |  |  |  |
Property, plant and equipment from privatization of GdE | $ 74,552,728 | $ 59,510,863 |  |
Financial expense capitalized | $ 446,195 | $ 0 | $ 0 |
GdE [member] |  |  |  |
Property, plant and equipment [Abstract] |  |  |  |
Percentage of common stock considered for assets value | 70.00% |  |  | 70.00%
Value of assets, price paid on common stock from privatization of GdE |  |  |  | $ 561.2
Value of common stock from privatization of GdE |  |  |  | 801.7
Debt assumed from privatization of GdE |  |  |  | 395.0
Property, plant and equipment from privatization of GdE |  |  |  | $ 1,196.7

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