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Employee Benefit Plans and Similar Obligations - Additional Information (Detail) - ARS ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Repurchase of own shares issued, shares   737,378 411,623
Repurchase of own shares issued, value   $ 550 $ 280
Plan 2016-2019 [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Share-based benefit plan validity period 3 years    
Share-based benefit plan grant date July 1, 2016    
Amount charged to expense in relation with share-based plans     21
Plan 2017-2020 [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Share-based benefit plan validity period 3 years    
Share-based benefit plan grant date July 1, 2017    
Amount charged to expense in relation with share-based plans   37 98
Plan 2018-2021 [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Share-based benefit plan validity period 3 years    
Share-based benefit plan grant date July 1, 2018    
Amount charged to expense in relation with share-based plans $ 38 127 212
Plan 2019-2022 [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Share-based benefit plan validity period 3 years    
Share-based benefit plan grant date July 1, 2019    
Amount charged to expense in relation with share-based plans $ 168 293 189
Plan 2020-2023 [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Share-based benefit plan validity period 3 years    
Share-based benefit plan grant date July 1, 2020    
Amount charged to expense in relation with share-based plans $ 180 108  
Share-based Plans [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Amount charged to expense in relation with share-based plans $ 342 $ 541 $ 493
Number of shares delivered under plan 1,252,400 769,312 609,910
Plan 2021-2024 [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Share-based benefit plan validity period 3 years    
Share-based benefit plan grant date July 1, 2021    
Amount charged to expense in relation with share-based plans $ 160    
Retirement Plan [member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Total charges 286 $ 211 $ 133
Performance Bonus Programs and Performance Evaluation [Member]      
Disclosure Of Employee Benefit Plans And Similar Obligations [Line Items]      
Total charges $ 7,082 $ 4,231 $ 3,790