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DESCRIPTION OF BUSINESS AND BASIS OF PREPARATION OF THE CONSOLIDATED FINANCIAL STATEMENTS - Segment financial information as per geographical area (Details) - ARS ($) $ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Geographic information |  |  |
Sales revenues | $ 168,046 | $ 66,649 | $ 60,405
Services rendered in Argentina |  |  |
Geographic information |  |  |
PP&E, Goodwill and Intangible assets | 319,014 | 80,817 |
Other abroad segments |  |  |
Geographic information |  |  |
PP&E, Goodwill and Intangible assets | 11,781 | 1,475 |
Argentina |  |  |
Geographic information |  |  |
Sales revenues | 158,221 | 64,891 | 58,783
Abroad |  |  |
Geographic information |  |  |
Sales revenues | $ 9,825 | $ 1,758 | $ 1,622

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