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Accounts Receivable from Subscribers, Distributors, Recoverable Taxes Contractual Assets and Other, Net - Summary of Aging of Accounts Receivable (Detail) - MXN ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure of accounts receivable [line items] |  |
Trade and other receivables | $ 216,202,273 | $ 208,148,699
Receivable from subscribers and distributors [member] | Cost [member] |  |
Disclosure of accounts receivable [line items] |  |
Trade and other receivables | 156,569,986 | 154,659,093
Receivable from subscribers and distributors [member] | 1 - 30 days [member] | Cost [member] |  |
Disclosure of accounts receivable [line items] |  |
Trade and other receivables | 15,595,155 | 31,726,606
Receivable from subscribers and distributors [member] | 31 - 60 days [member] | Cost [member] |  |
Disclosure of accounts receivable [line items] |  |
Trade and other receivables | 4,533,856 | 4,099,261
Receivable from subscribers and distributors [member] | 61 - 90 days [member] | Cost [member] |  |
Disclosure of accounts receivable [line items] |  |
Trade and other receivables | 2,543,476 | 2,574,082
Receivable from subscribers and distributors [member] | Greater than 90 days [member] | Cost [member] |  |
Disclosure of accounts receivable [line items] |  |
Trade and other receivables | 39,074,927 | 49,419,630
Unbilled services provided [member] | Receivable from subscribers and distributors [member] | Cost [member] |  |
Disclosure of accounts receivable [line items] |  |
Trade and other receivables | $ 94,822,572 | $ 66,839,514

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