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Employee Benefit Plans and Similar Obligations - Summary of Share Based Compensation Plan (Plan 2020-2023) (Detail) - Plan 2020-2023 [member]
$ in Millions
 12 Months Ended
Dec. 31, 2021
ARS ($)
Dec. 31, 2021
$ / shares
Dec. 31, 2020
ARS ($)
Dec. 31, 2020
$ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Amount at the beginning of the fiscal year 774,150      
Granted     774,150  
Settled (263,914)      
Expired (40,457)      
Amount at the end of the fiscal year 469,779   774,150  
Expense recognized during the fiscal year | $ $ 180   $ 108  
Fair value of shares on grant date (in U.S. dollars) | $ / shares   $ 4.75   $ 4.75