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Provisions - Additional Information (Detail)
$ in Thousands, $ in Millions
 12 Months Ended
Feb. 01, 2018
USD ($)
Jan. 02, 2018
USD ($)
Dec. 28, 2015
ARS ($)
Apr. 03, 2014
Apr. 03, 2013
USD ($)
Jul. 10, 2009
USD ($)
Jun. 25, 2008
USD ($)
Dec. 31, 2017
USD ($)
Dec. 04, 2017
USD ($)
Jan. 10, 2014
USD ($)
Jan. 12, 2012
ARS ($)
Mar. 12, 2010
USD ($)
Dec. 31, 2009
USD ($)
Dec. 31, 2008
USD ($)
Dec. 31, 2007
USD ($)
Dec. 31, 2006
USD ($)
Disclosure of provision matrix [line items]                                
Description of provision for litigation and contingencies               The Group has accrued pending lawsuits, claims and contingencies, which are probable and can be reasonably estimated.                
SULGAS and TGM [member]                                
Disclosure of provision matrix [line items]                                
Admissibility of deliver or pay claims                           $ 28,000 $ 28,000 $ 2,400
TGN [member]                                
Disclosure of provision matrix [line items]                                
Claims benefits and payment of interest         $ 142,000                      
Natural gas transportation contract and payment of unpaid invoices                       $ 64,000        
Evidence production period lapse term       40 days                        
NAFISA [member]                                
Disclosure of provision matrix [line items]                                
Claim and payment of transportation charges                     $ 339          
CNDC [member]                                
Disclosure of provision matrix [line items]                                
Transfer amount and interest     $ 98                          
AESU [member]                                
Disclosure of provision matrix [line items]                                
Claimed damages in natural gas deliver or pay penalties             $ 28,100                  
Claimed damages in Additional natural gas deliver or pay penalties             2,700                  
Dismantling costs and the payment of deliver or pay penalties             1,052,000                  
Complaint for damages with tribunal total claiming amount                   $ 815,500            
Pay damages for early termination of the gas export contract                         $ 185,000      
TGM [member]                                
Disclosure of provision matrix [line items]                                
Increase amount of claims           $ 17,000                    
Additional claimed amount           $ 366,000                    
Complaint for damages with tribunal total claiming amount                   $ 362,600            
Pay damages for early termination of the gas export contract                         $ 319,000      
TGM [member] | Lawsuits and arbitrations proceedings [member]                                
Disclosure of provision matrix [line items]                                
Settlement amount                 $ 114,000              
Installment amount                 7,000              
TGM [member] | Interruptible exportation transport contract [member]                                
Disclosure of provision matrix [line items]                                
Installment amount                 $ 13,000              
TGM [member] | Commencement of major litigation [member] | Lawsuits and arbitrations proceedings [member]                                
Disclosure of provision matrix [line items]                                
Payment for settlement amount $ 1,000 $ 107,000                            
TGM [member] | Commencement of major litigation [member] | Interruptible exportation transport contract [member]                                
Disclosure of provision matrix [line items]                                
Payment for settlement amount $ 1,860                              
TGM [member] | YPF S.A. [member]                                
Disclosure of provision matrix [line items]                                
Claims benefits and payment of interest             $ 10,000                  
Agreement under litigation rights and claims benefits payment               $ 60,000                
OPDS [member] | YPF S.A. [member]                                
Disclosure of provision matrix [line items]                                
Description of risk in environmental claims               On January 25, 2011, YPF entered into an agreement with the environmental agency of the Government of the Province of Buenos Aires (Organismo Provincial para el Desarrollo Sostenible, or "OPDS"), within the scope of the Remediation, Liability and Environmental Risk Control Program, created by Resolution No. 88/2010 of the OPDS.                
Work program term               Eight-year