XML 92 R75.htm IDEA: XBRL DOCUMENT v3.8.0.1
Financial Risk Management - Net Monetary Position (Details) - Foreign currency risk
$ in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2017
MXN ($)
Dec. 31, 2016
MXN ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2017
MXN ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2016
MXN ($)
Disclosure of nature and extent of risks arising from financial instruments            
U.S. dollar equivalent assets     $ 1,485.2   $ 1,899.1  
U.S. dollar equivalent liabilities     (4,411.5)   (5,087.6)  
Net liability position     (2,926.3)   (3,188.5)  
Euros            
Disclosure of nature and extent of risks arising from financial instruments            
U.S. dollar equivalent assets     31.8   16.4  
U.S. dollar equivalent liabilities     $ 5.9   $ 7.7  
U.S. dollar            
Disclosure of nature and extent of risks arising from financial instruments            
Percentage of reasonably possible increase in risk assumption     10.00% 10.00% 10.00% 10.00%
Percentage of reasonably possible decrease in risk assumption     10.00% 10.00% 10.00% 10.00%
Hypothetical foreign exchange gain $ 957,507 $ 1,654,620        
Hypothetical foreign exchange loss $ 957,507 $ 1,654,620        
Long-term Debt Designated as Hedging Instrument of the Group's Investment in UHI            
Disclosure of nature and extent of risks arising from financial instruments            
U.S. dollar equivalent liabilities     $ 2,440.3 $ 48,086,944 $ 2,386.6 $ 49,249,604