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INVENTORIES (Details) - ARS ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Inventories and allowance for obsolescence of inventories      
Inventories $ 3,115 $ 5,618  
Gross value      
Inventories and allowance for obsolescence of inventories      
Inventories 3,438 6,001  
Gross value | Mobile handsets and others      
Inventories and allowance for obsolescence of inventories      
Inventories 2,539 4,107  
Gross value | Inventories for construction projects      
Inventories and allowance for obsolescence of inventories      
Inventories 899 1,894  
Allowance for obsolescence of inventories      
Inventories and allowance for obsolescence of inventories      
Inventories $ (323) $ (383) $ (478)