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Trade Receivables - Summary of Trade Receivables (Detail) - ARS ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Disclosure of Trade receivables [Line Items]        
Current trade receivables $ 40,649 $ 33,645 $ 22,111  
Non-current trade receivables 2,210 87 469  
Accounts Receivable and Related Parties [member]        
Disclosure of Trade receivables [Line Items]        
Current trade receivables 41,972 34,729 22,959  
Non-current trade receivables 2,210 87 469  
Provision for Doubtful Trade Receivable [member]        
Disclosure of Trade receivables [Line Items]        
Current trade receivables $ 1,323 $ 1,084 $ 848 $ 866
Non-current trade receivables       $ 7