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INTANGIBLE ASSETS (Details) - ARS ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Intangible assets    
Intangible assets $ 82,608 $ 91,474
Net carrying value before impairment    
Intangible assets    
Intangible assets 87,249 93,972
Accumulated impairment    
Intangible assets    
Intangible assets $ (4,641) $ (2,498)