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Accounts payable, accrued liabilities and asset retirement obligations
 12 Months Ended
Dec. 31, 2020
Text block [abstract]  
Accounts payable, accrued liabilities and asset retirement obligations
16. Accounts payable, accrued liabilities and asset retirement obligations
a)
The components of the captions account payable and accrued liabilities are as follows:
 
 
  
At December 31,
 
 
  
2019
 
  
2020
 
Suppliers
  
 
Ps.113,370,716
 
  
 
Ps.74,285,881
 
Sundry creditors
  
 
90,849,195
 
  
 
101,406,307
 
Interest payable
  
 
8,057,170
 
  
 
7,661,762
 
Guarantee deposits from customers
  
 
1,467,835
 
  
 
1,386,645
 
Dividends payable
  
 
2,367,908
 
  
 
2,254,877
 
 
  
 
 
 
  
 
 
 
Total
  
 
Ps.216,112,824
 
  
 
Ps.186,995,472
 
 
  
 
 
 
  
 
 
 
b)
The balance of accrued liabilities at December 31, 2019 and 2020 are as follows:
 
 
  
At December 31,
 
 
  
2019
 
  
2020
 
Current liabilities
  
   
  
   
Direct employee benefits payable
  
Ps.
17,991,283
 
  
Ps.
18,965,160
 
Contingencies
  
 
34,379,969
 
  
 
31,326,691
 
 
  
 
 
 
  
 
 
 
Total
  
Ps.
52,371,252
 
  
Ps.
50,291,851
 
 
  
 
 
 
  
 
 
 
The movements in contingencies for the years ended December 31, 2019 and 2020 are as follows:
 
 
  
Balance at

December 31,

2018
 
  
Business

combination
 
  
Effect of

translation
 
 
Increase of

the year
 
  
Applications
 
 
Reclassification
by adoption of
IFRIC 23
 
 
Balance at

December 31,

2019
 
 
  
Payments
 
 
Reversals
 
Contingencies
  
Ps.
40,281,573
 
  
Ps.
1,378,611
 
  
Ps.
(2,302,058
) 
 
Ps.
6,410,975
 
  
Ps.
(5,483,327
) 
 
Ps.
(1,833,518
) 
 
Ps.
(4,072,287
) 
 
Ps.
34,379,969
 
 
  
 
 
 
  
 
 
 
  
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
Balance at

December 31,

2019
 
  
Business

combination
 
  
Effect of

translation
 
 
Increase of

the year
 
  
Applications
 
 
Balance at

December 31,

2020
 
 
  
Payments
 
 
Reversals
 
Contingencies
  
Ps.
34,379,969
 
  
Ps.
292
 
  
Ps.
(4,290,753
) 
 
Ps.
7,442,292
 
  
Ps.
(3,214,407
) 
 
Ps.
(2,990,702
) 
 
Ps.
31,326,691
 
 
  
 
 
 
  
 
 
 
  
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
Contingencies include tax, labor, regulatory and other legal type contingencies. See Note 17 b) for detail of contingencies.
c)
The movements in the asset retirement obligations for the years ended December 31, 2019 and 2020 are as follows:
 
 
  
Balance at
December 31,
2018
 
  
Business
combination
 
  
Effect of
translation
 
 
Increase of
the year
 
  
Applications
 
 
Balance at
December 31,
2019
 
 
  
Payments
 
 
Reversals
 
Asset retirement obligations
  
Ps.
15,971,601
 
  
Ps.
293,548
 
  
Ps.
(1,339,033
) 
 
Ps.
1,600,197
 
  
Ps.
(128,842
) 
 
Ps.
(580,727
) 
 
Ps.
15,816,744
 
 
  
 
 
 
  
 
 
 
  
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
  
Balance at

December 31,

2019
 
  
Business
combination
 
  
Effect of

translation
 
  
Increase of

the year
 
  
Applications
 
 
Balance at

December 31,

2020
 
 
  
Payments
 
 
Reversals
 
Asset retirement obligations
  
Ps.
15,816,744
 
  
Ps.
        —  
 
  
Ps.
374,418
 
  
Ps.
2,412,908
 
  
Ps.
(593,644
) 
 
Ps.
(122,435
) 
 
Ps.
17,887,991
 
 
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
The discount rates used for the asset retirement obligation are based on market rates that are expected to be undertaken by the dismantling or restoration of cell sites and may include labor costs.