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Income Tax- Summary of Reconciliation between Income Tax and the Amounts Obtained By Applying the Current Tax Rate in Argentina to the Income Carrying Amount (Detail) - ARS ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure of income tax reconciliation [line items]        
Accounting Income before tax on continuing operations $ 39,201,644 $ 45,823,464 $ 18,335,432  
Applicable income tax rate 30.00% 30.00% 30.00% 35.00%
Income tax on income carrying amount $ 11,760,493 $ 13,747,039 $ 5,500,630  
Net permanent differences and other tax effects (8,117,904) (9,069,732) 297,930  
Monetary effects 9,404,361 12,940,844 14,036,591  
Total income tax $ 13,046,950 $ 17,618,151 $ 19,835,151