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Accounts receivable from subscribers, distributors, recoverable taxes contractual assets and other, net (Tables) | 12 Months Ended
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Dec. 31, 2024
Accounts receivable from subscribers, distributors, recoverable taxes contractual assets and other net [Abstract] |
Analysis of Accounts Receivable by Component | a) An analysis of accounts receivable by component at December 31, 2023 and 2024 is as follows:
| At December 31, |
| 2023 |  | 2024 |
Subscribers and distributors |  | Ps. | 156,569,986 |  |  | Ps. | 170,242,307 |
Telecommunications carriers for network interconnection and other services |  |  | 2,960,653 |  |  |  | 3,837,362 |
Recoverable taxes |  |  | 57,501,535 |  |  |  | 50,900,914 |
Sundry debtors |  |  | 12,302,877 |  |  |  | 11,838,770 |
Contract assets |  |  | 25,062,219 |  |  |  | 31,230,793 |
Allowance of expected credit losses |  |  | (38,194,997 | ) |  |  | (37,533,735 | )
Total net |  | Ps. | 216,202,273 |  |  | Ps. | 230,516,411 |
Non-current subscribers, distributors and contractual assets |  |  | 9,400,123 |  |  |  | 9,394,158 |
Total current subscribers, distributors and contractual assets |  | Ps. | 206,802,150 |  |  | Ps. | 221,122,253 |
Changes in Allowance of Expected Credit Losses | b) Changes in the allowance of the expected credit losses is as follows:
| For the years ended December 31, |
| 2022(i) |  | 2023 |  | 2024 |
Balance at beginning of year |  | Ps. | (41,835,826 | ) |  | Ps. | (42,079,056 | ) |  | Ps. | (38,194,997 | )
Increases recorded in expenses(i) |  |  | (12,197,447 | ) |  |  | (12,021,598 | ) |  |  | (11,927,258 | )
Write-offs |  |  | 9,162,382 |  |  |  | 11,392,722 |  |  |  | 16,239,505 |
Business Combination |  |  | — |  |  |  | — |  |  |  | (148,359 | )
Spin-off (ii) |  |  | — |  |  |  | (3,002 | ) |  |  | — |
Translation effect |  |  | 2,791,835 |  |  |  | 4,515,937 |  |  |  | (3,502,626 | )
Balance at year end |  | Ps. | (42,079,056 | ) |  | Ps. | (38,194,997 | ) |  | Ps. | (37,533,735 | )
| (i) | Includes discontinued operation of Claro Chile, SpA joint venture until October 6, 2022. See note 2Ac.
| (ii) | This figure is related to the spin-off of Telekom Austria AG.
Aging of Accounts Receivable | c) The following table shows the aging of accounts receivable at December 31, 2023 and 2024, 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, 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 |
December 31, 2024 | Ps. | 170,242,307 |  | Ps. | 105,263,369 |  | Ps. | 15,396,655 |  | Ps. | 4,182,294 |  | Ps. | 2,854,922 |  | Ps. | 42,545,067 |
Accounts Receivable Included in 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, 2023 and 2024:
| Total |  | 1-90 days |  | Greater than 90 days |
December 31, 2023 | Ps. | 38,194,997 |  | Ps. | 2,989,388 |  | Ps. | 35,205,609 |
December 31, 2024 | Ps. | 37,533,735 |  | Ps. | 4,050,387 |  | Ps. | 33,483,348 |
Analysis of Contract Assets and Liabilities | e) An analysis of contract assets and liabilities at December 31, 2023 and 2024 is as follows:
| 2023 |  | 2024 |
Contract Assets: |  |  |  |
Balance at the beginning of the year |  | Ps. | 28,573,717 |  |  | Ps. | 25,062,219 |
Additions |  |  | 24,666,211 |  |  |  | 24,862,129 |
Business combination |  |  | — |  |  |  | 2,347,803 |
Disposals |  |  | (4,672,331 | ) |  |  | (4,195,512 | )
Amortization |  |  | (19,998,178 | ) |  |  | (20,622,228 | )
Translation effect |  |  | (3,507,200 | ) |  |  | 3,776,382 |
Balance at the end of the year |  | Ps. | 25,062,219 |  |  | Ps. | 31,230,793 |
Non-current contract assets |  | Ps. | 1,149,202 |  |  | Ps. | 1,558,104 |
Current portion contracts assets |  | Ps. | 23,913,017 |  |  | Ps. | 29,672,689 |

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