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Valuation of Derivatives, Interest Cost From Labor Obligations and Other Financial Items, Net (Tables)
 12 Months Ended
Dec. 31, 2017
Text block1 [abstract]  
Schedule of Valuation of Derivatives and Other Financial Items

For the years ended December 31, 2015, 2016 and 2017, valuation of derivatives and other financial items are as follows:

 

     2015     2016     2017  

Gain (loss) in valuation of derivatives, net

    Ps. 15,128,269     Ps. (9,622,233 )    Ps. 8,192,567  

Capitalized interest expense
(Note 10 d)

      3,524,841       2,861,307       2,875,034  

Commissions

      (1,399,479 )      (2,034,972 )      (1,263,701 ) 

Interest cost of labor obligations
(Note 17)

      (5,701,622 )      (9,178,513 )      (8,722,611 ) 

Interest expense on taxes

      (135,569 )      (245,922 )      (1,503,981 ) 

Dividend received

      1,645,712       5,740,092       2,385,559  

Loss on partial sale of shares in associated Company

      (545 )      —         —    

Gain on de-recognition of equity method investment (Note 12)

      11,988,038       —         —    

Other financial cost

      (3,553,329 )      (3,745,600 )      (3,906,627 ) 
  

 

 

    

 

 

    

 

 

  
   Ps.  21,496,316     Ps.  (16,225,841 )    Ps.  (1,943,760 )