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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, 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 |

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