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Valuation of derivatives, interest cost from labor obligations and other financial items, net (Tables)
 12 Months Ended
Dec. 31, 2020
Text block [abstract]  
Schedule of Valuation of Derivatives and Other Financial Items
For the years ended December 31, 2018, 2019 and 2020, valuation of derivatives and other financial items are as follows:
 
 
  
For the years ended December 31,
 
 
  
2018
 
 
2019
 
 
2020
 
Controlling interest:
  
   
 
   
 
   
(Loss) gain in valuation of derivatives, net
  
Ps.
(4,686,407
) 
 
Ps.
4,432,023
 
 
Ps.
12,378,193
 
Capitalized interest expense (Note 10 b)
  
 
2,020,288
 
 
 
2,233,358
 
 
 
1,771,613
 
Commissions
  
 
(1,901,473
) 
 
 
(2,820,477
) 
 
 
(1,135,082
) 
Interest cost of labor obligations (Note 18)
  
 
(9,968,526
) 
 
 
(11,377,054
) 
 
 
(13,105,693
) 
Interest expense on taxes
  
 
(555,921
) 
 
 
(516,522
) 
 
 
(59,032
) 
Dividend received (Note 4)
  
 
2,605,333
 
 
 
1,773,336
 
 
 
2,122,826
 
Gain on net monetary positions
  
 
4,429,145
 
 
 
4,267,194
 
 
 
3,262,512
 
Other financial cost
  
 
(2,118,755
) 
 
 
(5,067,200
) 
 
 
(3,944,229
) 
 
  
 
 
 
 
 
 
 
 
 
 
 
Total
  
Ps.
(10,176,316
) 
 
Ps.
(7,075,342
) 
 
Ps.
1,291,108