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Interest in joint ventures (Details) - ARS ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]    
Equity attributable to the owners $ 21 $ 27
S a c m e member    
IfrsStatementLineItems [Line Items]    
Percentage interest held in capital stock and votes 50.00%  
Equity attributable to the owners $ 21 $ 27