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Investments (Tables)
 12 Months Ended
Dec. 31, 2017
Text block1 [abstract]  
Schedule of Investments Classified as Held to Maturity

The following is a detail of held-to maturity investments:

 

Held-to Maturity (1)

Government debt securities

    2017      2016  

Acquisition cost

    Ps.  1,934      Ps.  —    

Accrued interest

      —          —    
  

 

 

     

 

 

  

Amortized cost

      1,934        —    
  

 

 

     

 

 

  

Corporate debt securities

      

Acquisition cost

      222        118  

Accrued interest

      4        2  
  

 

 

     

 

 

  

Amortized cost

      226        120  
  

 

 

     

 

 

  

Total investments

    Ps. 2,160      Ps.  120  
  

 

 

     

 

 

  

 

(1) Denominated in dollars at a fixed interest rate.