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Accounts receivable from subscribers, distributors, recoverable taxes contractual assets and other, net (Tables)
 12 Months Ended
Dec. 31, 2023
Statement [line items]  
Summary of Analysis of Accounts Receivable by Component
a)
An analysis of accounts receivable by component at December 31, 2022 and 2023 is as follows:
 
    
At December 31,
  
     2022     
2023
  
Subscribers and distributors
      Ps.154,659,093     
 
Ps.156,569,986
 
Telecommunications carriers for network interconnection and
other services
      3,519,170     
 
2,960,653
 
Recoverable taxes
      46,947,187     
 
57,501,535
 
Sundry debtors
      16,528,588     
 
12,302,877
 
Contract assets
      28,573,717     
 
25,062,219
 
Allowance of expected credit losses
      (42,079,056 )    
 
(38,194,997
) 
  
 
 
     
 
 
  
Total net
      Ps.208,148,699     
 
Ps.216,202,273
 
Non-current
subscribers, distributors and contractual assets
      8,724,497     
 
9,400,123
 
  
 
 
     
 
 
  
Total current subscribers, distributors and contractual assets
      Ps.199,424,202     
 
Ps.206,802,150
 
  
 
 
     
 
 
  
Schedule of Changes in Allowance for Expected Credit Losses
b) Changes in the allowance of the expected credit losses is as follows:
 
    
For the years ended December 31,
  
    
(1)

2021		      2022     
2023
  
Balance at beginning of year
    Ps. (44,551,735 )     Ps. (41,835,826 )    
Ps.
(42,079,056
) 
Increases recorded in expenses 
(i)
      (10,212,490 )       (12,197,447 )    
 
(12,021,598
) 
Write-offs
      11,682,343        9,162,382     
 
11,392,722
 
Incorporation
(spin-off) 
(ii)
      —         —      
 
(3,002
) 
Translation effect
      1,246,056        2,791,835     
 
4,515,937
 
  
 
 
     
 
 
     
 
 
  
Balance at year end
    Ps. (41,835,826 )     Ps. (42,079,056 )    
Ps.
(38,194,997
) 
  
 
 
     
 
 
     
 
 
  
 
(1)
Discontinued operations
i)
Includes discontinued operation of Panama and Chile in joint venture. See note 2Ac.
ii)
This figure is related to the
spin-off
of Telekom Austria AG.
Summary of Aging of Accounts Receivable
c) The following table shows the aging of accounts receivable at December 31, 2022 and 2023, for subscribers and distributors:
 
   
Past due
  
   
Total
    
Unbilled services
provided
    
a-30
days
    
31-60
days
    
61-90
days
    
Greater than
90 days
  
December 31, 2022
     Ps.154,659,093       Ps.66,839,514       Ps.31,726,606       Ps.4,099,261       Ps.2,574,082       Ps.49,419,630  
December 31, 2023
  
 
Ps.156,569,986
 
  
 
Ps.94,822,572
 
  
 
Ps.15,595,155
 
  
 
Ps.4,533,856
 
  
 
Ps.2,543,476
 
  
 
Ps.39,074,927
 
Summary of Accounts Receivable from Subscribers and Distributors Included in the Allowance for Doubtful Accounts
d) The following table shows the accounts receivable from subscribers and distributors included in the allowance for expected credit losses of trade receivables, as of December 31, 2022 and 2023:
 
    
Total
   
1-90
days
   
Greater than
90 days
December 31, 2022
    Ps.42,079,056    Ps.4,207,906    Ps.37,871,150
December 31, 2023
   
Ps.38,194,997
   
Ps.2,989,388
   
Ps.35,205,609
Summary of Analysis of Contract Assets and Liabilities
e) An analysis of contract assets and liabilities at December 31, 2022 and 2023 is as follows:
 
     2022     
2023
  
Contract Assets:
      
Balance at the beginning of the year
    Ps. 30,901,277     
Ps.
28,573,717
 
Additions
      28,262,872     
 
24,666,211
 
Business combination
      404,489     
 
— 
 
Disposals
      (5,238,752 )    
 
(4,672,331
) 
Amortization
      (22,926,487 )    
 
(19,998,178
) 
Translation effect
      (2,829,682 )    
 
(3,507,200
) 
  
 
 
     
 
 
  
Balance at the end of the year
    Ps. 28,573,717     
Ps.
25,062,219
 
Non-current
contract assets
    Ps. 880,860     
Ps.
1,149,202
 
  
 
 
     
 
 
  
Current portion contracts assets
    Ps. 27,692,857     
Ps.
23,913,017