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Segment Information - Summary of Revenue By Geographic Area (Detail) - ARS ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of geographical areas [line items]      
Revenue $ 1,271,330 $ 669,186 $ 678,595
Property, plant and equipment 1,642,259 1,379,527 1,069,011
Argentina [member]      
Disclosure of geographical areas [line items]      
Revenue 1,120,935 585,652 589,653
Property, plant and equipment 1,642,156 1,379,191 1,068,832
Mercosur and Associates Countries [member]      
Disclosure of geographical areas [line items]      
Revenue 60,243 26,834 36,154
Property, plant and equipment 103 336 179
Rest of the world [member]      
Disclosure of geographical areas [line items]      
Revenue 65,905 23,620 35,836
Europe [member]      
Disclosure of geographical areas [line items]      
Revenue $ 24,247 $ 33,080 $ 16,952