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Equity and debt investments at fair value through OCI and other short/long-term investments - Additional Information (Detail) - MXN ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of equity investments at fair value through other comprehensive income and other short-term investments [line items] |  |  |  |
Dividends received | [1] | $ 4,551,827 | $ 6,155,993 | $ 2,628,600
Fair value of long term debt instruments designated as measured at fair value through other comprehensive income |  | 14,914,412 | 6,981,149 |
Revenue recognized for financial assets measured at fair value through other comprehensive income |  | 2,206,671 | 4,271,250 |
Investments accounted for using equity method Koninklijke KPN [member] |  |  |  |
Disclosure of equity investments at fair value through other comprehensive income and other short-term investments [line items] |  |  |  |
Other short-term investments |  | 3,523,883 |  |
Changes in fair value of investment |  | (967,609) | (4,707,276) |
Dividends received |  | 1,867,184 | 2,459,637 | $ 2,628,600
Investments accounted for using equity method in Verizon [Member] |  |  |  |
Disclosure of equity investments at fair value through other comprehensive income and other short-term investments [line items] |  |  |  |
Dividends received |  | 2,684,643 | 3,696,356 |
Equity investment |  | 36,682,372 | 44,056,945 |
Equity and other short term investments [member] | Investments accounted for using equity method Koninklijke KPN [member] |  |  |  |
Disclosure of equity investments at fair value through other comprehensive income and other short-term investments [line items] |  |  |  |
Equity investments at fair value through other comprehensive income (OCI) |  | $ 33,549,372 | $ 44,371,166 |
[1] | Dividend received during 2021, 2022 and 2023 by Ps. 2,628,600, Ps, 5,426,370 and Ps. 4,590,313, respectively.

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- Definition Disclosure of equity investments at fair value through other comprehensive income and other short-term investments. + References No definition available. + Details
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- Definition Fair value of long term debt instruments designated as measured at fair value through other comprehensive income. + References No definition available. + Details
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- Definition The amount of investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: At fair value [member]; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 11A -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_11A_c&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 8 -Subparagraph h -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_8_h&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The gains (losses) from changes in the fair value of investment property. [Refer: Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2023-01-01 -Paragraph 76 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2023-en-r&anchor=para_76_d&doctype=Standard -URIDate 2023-03-23 + Details
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