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27 Other payables (Details 2) - ARS ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Summary of other payables [line items]    
Total future minimum lease payments $ 357 $ 192
2021 [member]    
Summary of other payables [line items]    
Total future minimum lease payments 296 188
2022 [member]    
Summary of other payables [line items]    
Total future minimum lease payments 41 4
2023 [member]    
Summary of other payables [line items]    
Total future minimum lease payments $ 20