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Property Plant and Equipment - Summary of Changes in Property Plant and Equipment (Parenthetical) (Detail)
$ in Millions
 12 Months Ended
Dec. 31, 2018
ARS ($)
Property
Well
Dec. 31, 2017
ARS ($)
Property
Dec. 31, 2016
ARS ($)
Property
Dec. 31, 2015
ARS ($)
Disclosure of detailed information about property, plant and equipment [line items]        
Exploratory wells in progress | Well 58      
Drilled wells | Well 41      
Charged to exploratory expense | Well 13      
Transferred to proved properties | Property 5      
Change in property, plant and equipment $ 60 $ 7 $ 2  
Depreciation of property plant and equipment 87,569 53,512 44,752  
Property, plant and equipment 699,087 354,443 $ 308,014  
Acquisition of property, plant and equipment $ 2,327      
Reclassification of assets held for disposal   $ 8,823    
Mineral Property, Wells and Related Equipment [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Mineral property | Property 16,154 10,003 9,147  
Addition for acquisition [member] | At cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Property, plant and equipment $ 1,470      
Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Property, plant and equipment   $ 1,062,055 $ 868,411 $ 668,198
Reclassification of assets held for disposal 31,800      
Accumulated depreciation and amortization [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Property, plant and equipment 1,498,288 679,425 522,732 $ 394,076
Reclassification of assets held for disposal 28,673      
Accumulated depreciation and amortization [member] | Addition for acquisition [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Property, plant and equipment 1,092      
Hydrocarbon Wells Abandonmnet Cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Increase decrease Property, plant and equipment (11,710) (4,913) 2,243  
Depreciation of property plant and equipment 5,521 $ 2,258 $ 934  
YPF EE [member] | At cost [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Property, plant and equipment 6,772      
YPF EE [member] | Accumulated depreciation and amortization [member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Property, plant and equipment $ 1,790