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Valuation of derivatives, interest cost from labor obligations and other financial items, net (Tables)
 12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Schedule of Valuation of Derivatives and Other Financial Items
For the years ended December 31, 2017, 2018 and 2019, valuation of derivatives and other financial items are as follows:
 
 
  
For the years ended December 31,
 
 
  
2017
 
 
2018
 
 
2019
 
Controlling interest:
  
   
 
   
 
   
Gain (loss) in valuation of derivatives, net
  
 
Ps. 8,192,567
 
 
Ps.
(4,686,407
) 
 
 
Ps.  4,432,023
 
Capitalized interest expense (Note 10 c)
  
 
2,875,034
 
 
 
2,020,288
 
 
 
2,233,358
 
Commissions
  
 
(1,263,701
) 
 
 
(1,901,473
) 
 
 
(2,820,477
) 
Interest cost of labor obligations (Note 18)
  
 
(8,722,611
) 
 
 
(9,968,526
) 
 
 
(11,377,054
) 
Interest expense on taxes
  
 
(1,503,981
) 
 
 
(555,921
) 
 
 
(516,522
) 
Dividend received (Note 4)
  
 
2,385,559
 
 
 
2,605,333
 
 
 
1,773,336
 
Gain on net monetary positions
  
 
—  
 
 
 
4,429,145
 
 
 
4,267,194
 
Other financial cost
  
 
(3,906,627
) 
 
 
(2,118,755
) 
 
 
(5,067,200
) 
 
  
 
 
 
 
 
 
 
 
 
 
 
Total
  
Ps.
 (1,943,760
) 
 
Ps.
 (10,176,316
) 
 
 
Ps. (7,075,342
)