XML 108 R82.htm IDEA: XBRL DOCUMENT v3.21.1
5 Financial risk management (Details 2) - ARS ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Summary of financial risk management [line items]    
Decrease in the results of operations for the year $ (819) $ (1,091)
US dollar    
Summary of financial risk management [line items]    
Decrease in the results of operations for the year (819) (1,085)
Euro    
Summary of financial risk management [line items]    
Decrease in the results of operations for the year (4)
Swiss franc (CHF)    
Summary of financial risk management [line items]    
Decrease in the results of operations for the year $ (2)