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Accounts Receivable from Subscribers, Distributors, Recoverable Taxes Contractual Assets and Other, Net - Summary of Analysis of Accounts Receivable by Component (Detail) $ in Thousands, $ in Millions | Dec. 31, 2023 MXN ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 MXN ($)
--- | --- | --- | ---
Disclosure of accounts receivable [line items] |  |  |
Contract assets | $ 25,062,219 |  | $ 28,573,717
Allowance of expected credit losses | (38,194,997) |  | (42,079,056)
Trade and other receivables | 216,202,273 |  | 208,148,699
Non-current subscribers, distributors and contractual assets | 9,400,123 | $ 556 | 8,724,497
Total current subscribers, distributors and contractual assets | 206,802,150 | $ 12,242 | 199,424,202
Cost [member] | Receivable from subscribers and distributors [member] |  |  |
Disclosure of accounts receivable [line items] |  |  |
Trade and other receivables | 156,569,986 |  | 154,659,093
Cost [member] | Telecommunications carriers for network interconnection and other services [member] |  |  |
Disclosure of accounts receivable [line items] |  |  |
Trade and other receivables | 2,960,653 |  | 3,519,170
Cost [member] | Recoverable taxes [member] |  |  |
Disclosure of accounts receivable [line items] |  |  |
Trade and other receivables | 57,501,535 |  | 46,947,187
Cost [member] | Sundry debtors [member] |  |  |
Disclosure of accounts receivable [line items] |  |  |
Trade and other receivables | $ 12,302,877 |  | $ 16,528,588

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