XML 129 R95.htm IDEA: XBRL DOCUMENT v3.8.0.1
Financial Instruments by Category - Summary of Company's Financial Assets Measured at Fair Value (Detail) - ARS ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure of detailed information about financial instruments [line items]      
Financial Assets $ 31,987 $ 18,093 $ 1,578
Investment in financial assets [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 12,936 15,285 804
Cash and cash equivalents [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 19,051 2,808 774
Mutual funds [member] | Investment in financial assets [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets   53 340
Mutual funds [member] | Cash and cash equivalents [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 19,051 2,808 774
Other financial assets [member] | Investment in financial assets [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets   15,232 464
Public securities [member] | Investment in financial assets [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 12,936    
Level 1 [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 31,987 18,093 1,578
Level 1 [member] | Investment in financial assets [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 12,936 15,285 804
Level 1 [member] | Cash and cash equivalents [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 19,051 2,808 774
Level 1 [member] | Mutual funds [member] | Investment in financial assets [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets   53 340
Level 1 [member] | Mutual funds [member] | Cash and cash equivalents [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets 19,051 2,808 774
Level 1 [member] | Other financial assets [member] | Investment in financial assets [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets   $ 15,232 $ 464
Level 1 [member] | Public securities [member] | Investment in financial assets [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets $ 12,936