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Cost of improvements to concession assets (Tables)
 12 Months Ended
Dec. 31, 2017
Cost Of Improvements To Concession Assets [Abstract]  
Summary of Cost of Improvements to Concession Assets

Cost of improvements to concession assets are comprised of the following at December 31, 2015, 2016 and 2017:

 

 

 

 

2015

 

 

2016

 

 

2017

 

Cost of improvements to concession assets

 

Ps.

 

838,635

 

 

Ps.

 

1,676,037

 

 

Ps.

 

1,312,491