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Operating segments (Tables)
 12 Months Ended
Dec. 31, 2020
Operating segments  
Schedule of geographic segments

 

 

 

 

 

 

 

 

 

 

 

    

2020

    

2019

    

2018

Operating revenues:

 

 

  

 

 

  

 

 

  

Domestic (Mexico)

 

Ps.

16,572,198

 

Ps.

24,594,797

 

Ps.

18,493,476

International:

 

 

 

 

 

  

 

 

  

United States of America and Central America*

 

 

5,998,615

 

 

10,230,824

 

 

8,811,674

Non-derivative financial instruments

 

 

(411,222)

 

 

(72,949)

 

 

 —

Total operating revenues

 

Ps.

22,159,591

 

Ps.

34,752,672

 

Ps.

27,305,150

*United States of America represents approximately 27%,  29% and 31% of total revenues from external customers in 2020, 2019 and 2018, respectively.