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Property, Plant and Equipment - Additional Information (Detail) - ARS ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [abstract]      
Rate of capitalization 9.70% 10.33% 10.50%
Amount capitalized $ 867 $ 949 $ 660