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Financial Instruments by Category - Summary of Company's Financial Assets Measured at Fair Value (Detail) - ARS ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of detailed information about financial instruments [line items]      
Financial Assets $ 40,221 $ 44,468 $ 15,408
Investment in financial assets [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 10,032 9,882 8,370
Cash and cash equivalents [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 30,189 34,586 7,038
Public securities [member] | Investment in financial assets [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 10,032 9,882 8,370
Mutual funds [member] | Cash and cash equivalents [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 30,189 34,586 7,038
Level 1 [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 40,221 44,468 15,408
Level 1 [member] | Investment in financial assets [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 10,032 9,882 8,370
Level 1 [member] | Cash and cash equivalents [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 30,189 34,586 7,038
Level 1 [member] | Public securities [member] | Investment in financial assets [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 10,032 9,882 8,370
Level 1 [member] | Mutual funds [member] | Cash and cash equivalents [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets $ 30,189 $ 34,586 $ 7,038