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Depreciation and amortization
 12 Months Ended
Dec. 31, 2018
Disclosure Of Depreciation And Amortization Expense [Abstract]  
Depreciation and amortization

23.

Depreciation and amortization

Depreciation and amortization for the years ended December 31, 2016, 2017 and 2018 were composed of the following:

 

 

 

2016

 

 

2017

 

 

2018

 

Depreciation

 

Ps.

 

300,880

 

 

Ps.

 

324,460

 

 

Ps.

 

400,205

 

Amortization

 

 

 

1,047,507

 

 

 

 

1,119,102

 

 

 

 

1,169,432

 

 

 

Ps.

 

1,348,387

 

 

Ps.

 

1,443,562

 

 

Ps.

 

1,569,637