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Schedule of debt issued (Details) - ARS ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Fixed rate par note member | United States of America, Dollars      
IfrsStatementLineItems [Line Items]      
Deb structure, beginning $ 10,067 $ 12,465  
Corporate note2 member      
IfrsStatementLineItems [Line Items]      
Deb structure, beginning $ 10,067    
Corporate note2 member | Fixed rate par note member      
IfrsStatementLineItems [Line Items]      
Rate 975.00% 975.00%  
Year of maturity 2022 2022  
Corporate note2 member | Fixed rate par note member | United States of America, Dollars      
IfrsStatementLineItems [Line Items]      
Deb structure, beginning $ 98 $ 98  
Debt repurchase    
Corporate Note 3 [Member]      
IfrsStatementLineItems [Line Items]      
Deb structure, beginning   12,465  
Corporate Note 3 [Member] | United States of America, Dollars      
IfrsStatementLineItems [Line Items]      
Deb structure, beginning   98 $ 137
Debt repurchase   (39)  
Corporate Note 3 [Member] | Fixed rate par note member | United States of America, Dollars      
IfrsStatementLineItems [Line Items]      
Deb structure, beginning   98 $ 137
Debt repurchase   $ (39)