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Intangible Assets, Net and Goodwill - Summary of Aggregate Carrying Amount of Goodwill (Detail) $ in Thousands, $ in Millions | Dec. 31, 2023 MXN ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 MXN ($) | Dec. 31, 2021 MXN ($)
--- | --- | --- | --- | ---
Disclosure of carrying value of goodwill [line items] |  |  |  |
Goodwill | $ 146,078,897 | $ 8,647 | $ 141,121,365 | $ 136,578,194
Europe [member] |  |  |  |
Disclosure of carrying value of goodwill [line items] |  |  |  |
Goodwill | 55,414,076 |  | 49,465,916 |
Brazil [member] |  |  |  |
Disclosure of carrying value of goodwill [line items] |  |  |  |
Goodwill | 29,437,800 |  | 31,085,202 |
Puerto Rico [member] |  |  |  |
Disclosure of carrying value of goodwill [line items] |  |  |  |
Goodwill | 17,463,394 |  | 17,463,394 |
Dominican Republic [member] |  |  |  |
Disclosure of carrying value of goodwill [line items] |  |  |  |
Goodwill | 14,186,723 |  | 14,186,723 |
Colombia [member] |  |  |  |
Disclosure of carrying value of goodwill [line items] |  |  |  |
Goodwill | 9,304,613 |  | 8,495,090 |
Mexico [member] |  |  |  |
Disclosure of carrying value of goodwill [line items] |  |  |  |
Goodwill | 9,186,415 |  | 9,233,694 |
Peru [member] |  |  |  |
Disclosure of carrying value of goodwill [line items] |  |  |  |
Goodwill | 2,448,614 |  | 2,523,467 |
El Salvador [member] |  |  |  |
Disclosure of carrying value of goodwill [line items] |  |  |  |
Goodwill | 2,522,768 |  | 2,522,768 |
Ecuador [member] |  |  |  |
Disclosure of carrying value of goodwill [line items] |  |  |  |
Goodwill | 2,155,384 |  | 2,155,384 |
Guatemala [member] |  |  |  |
Disclosure of carrying value of goodwill [line items] |  |  |  |
Goodwill | 2,212,615 |  | 2,245,161 |
Other countries [member] |  |  |  |
Disclosure of carrying value of goodwill [line items] |  |  |  |
Goodwill | $ 1,746,495 |  | $ 1,744,566 |

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- Definition The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 134 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_134_a&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 135 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_135_a&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2023-01-01 -Paragraph B67 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B -URIDate 2023-03-23 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_c&doctype=Standard -URIDate 2023-03-23 + Details
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