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Revenue Recognition (Tables)
 9 Months Ended
Sep. 30, 2019
Revenue [abstract]  
Revenue Recognition
Sources of revenue
  
For the nine-
month period
ended 
September 30,
 
2019
 
 For the nine-
month period
ended 
September 31,
 
2018		 
Revenue sale of products
  
Ps.
140,571
 
 Ps.130,252 
Services rendered
  
 
314
 
  276 
Other operating revenues
  
 
1,619
(1)
 
  49 
   
 
 
  
 
 
 
Revenue from contracts with customers
  
Ps.
142,504
 
 Ps.130,577 
   
 
 
  
 
 
 
 
(1)
 
Related tax effect in Brazil – See Note 15.