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Cash and cash equivalents (Tables)
12 Months Ended
Dec. 31, 2019
Cash And Cash Equivalents [Abstract]  
Summary of Cash and Cash Equivalents

As of December 31, 2017, 2018 and 2019, the balances are comprised of the following:

 

 

 

December 31,

2017

 

 

December 31,

2018

 

 

December 31,

2019

 

Cash

 

Ps.

 

1,616,408

 

 

Ps.

 

1,912,047

 

 

Ps.

 

3,593,756

 

Investments of cash surpluses

 

 

 

5,855,824

 

 

 

 

3,894,166

 

 

 

 

3,897,894

 

Cash equivalents designated for expenditure, held in trust

 

 

 

257,911

 

 

 

 

345,244

 

 

 

 

8,543

 

Total

 

Ps.

 

7,730,143

 

 

Ps.

 

6,151,457

 

 

Ps.

 

7,500,193