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Operating segments (Tables)
 12 Months Ended
Dec. 31, 2019
Operating segments  
Schedule of geographic segments

 

 

 

 

 

 

 

 

 

 

 

    

2019

    

2018

    

2017

Operating revenues:

 

 

  

 

 

  

 

 

  

Domestic (Mexico)

 

Ps.

24,594,797

 

Ps.

18,493,476

 

Ps.

17,272,946

International:

 

 

  

 

 

  

 

 

  

United States of America and Central America*

 

 

10,230,824

 

 

8,811,674

 

 

7,515,240

Non-derivative financial instruments

 

 

(72,949)

 

 

 —

 

 

 —

Total operating revenues

 

Ps.

34,752,672

 

Ps.

27,305,150

 

Ps.

24,788,186

*United States of America represents approximately 29%,  31% and 29% of total revenues from external customers in 2019, 2018 and 2017, respectively.