v3.26.1
Trade accounts receivable (Tables)
12 Months Ended
Dec. 31, 2025
Trade Accounts Receivable  
Schedule of trade account receivables
     
  2025   2024
Trade accounts receivable 5,039,083   4,815,750
       
Accounts receivable 5,741,906   5,486,319
       
Billed services 2,695,504   2,481,786
Unbilled services 1,418,994   1,302,906
Network use (interconnexion) 997,297   992,414
Goods sold 603,882   684,858
Contractual assets (Note 22) 25,898   24,027
Other accounts receivable 331   328
       
Provision for expected credit losses (702,823)   (670,569)
       
Current portion (4,901,777)   (4,677,935)
Non-current portion 137,306   137,815
Schedule of changes in the allowance for doubtful accounts
     
  2025   2024
       
       
Opening balance 670,569   629,739
Supplement to expected losses, net of reversal 765,783   693,122
Write-offs of provision (733,529)   (652,292)
           Closing balance  702,823    670,569
Schedule of aging of accounts receivable
     
  2025   2024
       
Total 5,741,906   5,486,319
       
Current 4,239,134   3,917,182
Overdue (days):      
    ≤30 428,654   372,836
    ≤60 139,462   123,183
    ≤90 127,781   149,653
    ≤120 121,913   105,426
    >120 684,962   818,039