XML 151 R105.htm IDEA: XBRL DOCUMENT v3.19.1
Property, Machinery and Equipment, Net - Summary of Recognized Impairment Losses (Detail) - MXN ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses $ 445 $ 984 $ 1,899
United States [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses 252 153 277
Poland [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses 94 0 0
Colombia [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses 37 0 454
Spain [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses 35 452 0
Mexico [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses 25 45 46
Czech Republic [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses 0 157 0
Panama [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses 0 56 0
France [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses 0 50 0
Latvia [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses 0 46 0
Puerto Rico [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses 0 0 1,087
Other countries [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses $ 2 $ 25 $ 35