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Depreciation and amortization (Tables)
 12 Months Ended
Dec. 31, 2020
Disclosure Of Depreciation And Amortization Expense [Abstract]  
Summary of Depreciation and Amortization

Depreciation and amortization for the years ended December 31, 2018, 2019 and 2020 were comprised of the following:

 

 

 

2018

 

 

2019

 

 

2020

 

Depreciation

 

Ps.

 

400,205

 

 

Ps.

 

446,517

 

 

Ps.

 

495,292

 

Amortization

 

 

 

1,169,432

 

 

 

 

1,329,620

 

 

 

 

1,505,069

 

 

 

Ps.

 

1,569,637

 

 

Ps.

 

1,776,137

 

 

Ps.

 

2,000,361