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OPERATING EXPENSES (Details) - ARS ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
OPERATING EXPENSES      
Operating expenses $ 428,280 $ 424,602 $ 454,610
Employee benefit expenses and severance payments      
Salaries, Social security expenses and benefits (83,429) (82,094) (82,763)
Severance indemnities (6,518) (3,751) (10,589)
Other employee benefits (1,876) (2,420) (2,266)
Employee benefit expenses and severance payments $ (91,823) $ (88,265) $ (95,618)