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SIGNIFICANT ACCOUNTING POLICIES - Accounting treatment for the acquisition of the remaining shareholding (Details) $ in Millions, $ in Millions |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 04, 2018 USD ($) | Dec. 31, 2018 ARS ($) | Apr. 04, 2018 ARS ($) | Dec. 31, 2017 ARS ($)
Significant accounting policies |  |  |  |
Non-controlling interests |  | $ 3,227 |  | $ 846
Net Equity attributable to controlling shareholders |  | $ (242) |  |
CV Berazategui |  |  |  |
Significant accounting policies |  |  |  |
Acquisition percentage | 30.00% |  | 30.00% |
Capital stock and votes of Subsidiaries | $ 8,968,000 |  | $ 181 |
Ownership percentage by parent | 70.00% | 100.00% |  |
Non-controlling interests |  |  | 5 |
Net Equity attributable to controlling shareholders |  | $ 237 |  |
CV Berazategui | Other deferred |  |  |  |
Significant accounting policies |  |  |  |
Capital stock and votes of Subsidiaries |  |  | $ 181 |

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