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30 Salaries and social security taxes payable (Details 1) - ARS ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Salaries And Social Security Taxes Payable      
Salaries $ 8,147 $ 8,574 $ 9,077
Social security taxes 3,168 3,335 3,530
Total salaries and social security taxes $ 11,315 $ 11,909 $ 12,607