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Financial Risk Management - Information about Financial Assets and Liabilities That Accrues Interest Considering Applicable Rate (Detail) - ARS ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of financial instruments by type of interest rate [line items]      
Financial assets $ 297,346 $ 235,000 $ 233,530
Financial liabilities 1,012,696 $ 875,818 $ 740,433
Interest rate risk [member]      
Disclosure of financial instruments by type of interest rate [line items]      
Financial assets 61,138    
Financial liabilities 757,215    
Interest rate risk [member] | Fixed interest rate [member]      
Disclosure of financial instruments by type of interest rate [line items]      
Financial assets 60,948    
Financial liabilities 713,791    
Interest rate risk [member] | Variable interest rate [member]      
Disclosure of financial instruments by type of interest rate [line items]      
Financial assets 190    
Financial liabilities $ 43,424