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EQUITY - Treasury Shares (Details) - ARS ($) $ in Millions | Apr. 29, 2016 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | May 21, 2013
--- | --- | --- | --- | --- | --- | ---
Equity |  |  |  |  |  |  |
Total equity |  |  | $ 309,846 | $ 352,150 | $ 84,654 | $ 84,108 |
Treasury shares, Capital nominal value |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |
Total equity | [1],[2],[3] |  |  | $ 15 |  |  |
Maximum time period for sale of treasury shares |  | 3 years |  |  |  |  |
Percentage of treasury shares held |  |  |  | 0.70% |  |  |
Voluntary reserve for capital investments |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |
Total equity |  |  | $ 5,077 | $ 5,077 |  |  | $ 1,200
Treasury shares acquisition cost |  |  |  |  |  |  |
Equity |  |  |  |  |  |  |
Total equity | [2] |  |  | $ (2,761) |  |  |
[1] | As of December 31, 2017 and 2018 total shares, were issued and fully paid. As of December 31, 2018, 15,221,373 were treasury shares. See Note 22 to these consolidated financial statements.
[2] | As of December 31, 2018, corresponds to 15,221,373 shares of $1 argentine peso of nominal value each, equivalent to 0.70% of total capital. See Note 22 to these consolidated financial statements.
[3] | As of December 31, 2019 total shares, were issued and fully paid.

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