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Financial Risk Management - Additional Information (Details) (Detail) - ARS ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Aggregate value of financial assets at fair value through profit or loss $ 31,987,000,000 $ 18,093,000,000 $ 1,578,000,000
Provision for doubtful trade receivables 1,323,000,000    
Provision for other doubtful receivables 292,000,000    
Guarantees granted by third parties 10,789,000,000 9,300,000,000 6,277,000,000
Executed guarantees received 2,000,000 $ 1,000,000 $ 2,000,000
Other financial assets [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Maximum exposure to credit risk $ 63,911,000,000    
Other financial assets [member] | National Government And Direct Agencies Accounts [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Percentage of maximum exposure to credit risk 31.00%    
Maximum exposure to credit risk $ (14,911,000,000)    
Interest rate risk [member] | U.S. Dollar [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Percentage of financial loans denominated in foreign currency 77.00%    
Financial loans denominated in foreign currency, value $ 146,353,000,000    
Interest rate risk [member] | Switzerland, Francs [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Percentage of financial loans denominated in foreign currency 3.00%    
Financial loans denominated in foreign currency, value $ 5,785,000,000    
Interest rate risk [member] | LIBOR [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Loans accrued $ 8,509,000,000    
Interest rate risk [member] | LIBOR [member] | Bottom of range [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Variable interest rate 1.40%    
Interest rate risk [member] | LIBOR [member] | Top of range [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Variable interest rate 7.50%    
Interest rate risk [member] | BADLAR [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Loans accrued $ 31,500,000,000    
Interest rate risk [member] | BADLAR [member] | Bottom of range [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Variable interest rate 0.00%    
Interest rate risk [member] | BADLAR [member] | Top of range [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Variable interest rate 6.00%    
Other price risk [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Aggregate value of financial assets at fair value through profit or loss $ 31,987,000,000    
Liquidity risk [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Amount available for liquidity 44,454,000,000    
Cash 9,672,000,000    
Other liquid financial assets 19,066,000,000    
Available credit lines with banks $ 15,716,000,000    
Percentage of outstanding loans that are subject to financial covenants related to leverage ratio and debt service coverage ratio 52.00%