XML 161 R80.htm IDEA: XBRL DOCUMENT v3.8.0.1
Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net Under Capital Leases (Detail)
$ in Thousands, $ in Millions
Dec. 31, 2017
MXN ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
MXN ($)
Dec. 31, 2015
MXN ($)
Dec. 31, 2014
MXN ($)
Disclosure of detailed information about property, plant and equipment [line items]          
Property, plant and equipment $ 676,343,198 $ 34,182 $ 701,190,066 $ 573,528,878 $ 588,106,180
Cost [member]          
Disclosure of detailed information about property, plant and equipment [line items]          
Property, plant and equipment 1,303,278,914   1,256,341,372 861,840,855 864,587,479
Accumulated depreciation [member]          
Disclosure of detailed information about property, plant and equipment [line items]          
Property, plant and equipment 626,935,716   555,151,306 $ 288,311,977 $ 276,481,299
Property, plant and equipment under capital leases [member]          
Disclosure of detailed information about property, plant and equipment [line items]          
Property, plant and equipment 4,641,518   3,371,550    
Property, plant and equipment under capital leases [member] | Cost [member]          
Disclosure of detailed information about property, plant and equipment [line items]          
Property, plant and equipment 8,116,532   8,210,557    
Property, plant and equipment under capital leases [member] | Accumulated depreciation [member]          
Disclosure of detailed information about property, plant and equipment [line items]          
Property, plant and equipment $ (3,475,014)   $ (4,839,007)