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OPERATING EXPENSES - Cost of equipment and handsets (Details) - ARS ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Cost of equipment and handsets      
Inventory balance at the beginning of the year $ (6,001) $ (7,079) $ (9,073)
Plus:      
Purchases (19,754) (17,711) (21,529)
Other 1,356 1,986 1,434
Less:      
Inventory balance at the end of the year 3,438 6,001 7,079
Cost of equipment and handsets $ (20,961) $ (16,803) $ (22,089)