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OPERATING EXPENSES - Other operating expenses (Details) - ARS ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
OPERATING EXPENSES      
Provisions $ (7,896) $ (4,533) $ (2,643)
Rentals and internet capacity (2,751) (3,022) (4,094)
Energy, water and other services (6,991) (8,181) (10,087)
Other (3,544) (4,774) (6,137)
Other operating expenses $ (21,182) $ (20,510) $ (22,961)