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Non Controlling Interest in Consolidated Subsidiaries - Summary of Non Controlling Interest in Consolidated Subsidiaries (Detail) - MXN ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Disclosure of non controlling interest in consolidated subsidiaries [Line Items] |  |  |  |
Non-controlling interests | $ 7,113 | $ 6,680 | $ 6,491 | $ 6,022
Mexico |  |  |  |
Disclosure of non controlling interest in consolidated subsidiaries [Line Items] |  |  |  |
Non-controlling interests | 5,757 | 5,459 | 5,337 |
Colombia |  |  |  |
Disclosure of non controlling interest in consolidated subsidiaries [Line Items] |  |  |  |
Non-controlling interests | 19 | 80 | 16 |
Brazil |  |  |  |
Disclosure of non controlling interest in consolidated subsidiaries [Line Items] |  |  |  |
Non-controlling interests | $ 1,337 | $ 1,141 | $ 1,138 |

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- Definition The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Total for all subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 10 -IssueDate 2024-01-01 -Paragraph 22 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=10&code=ifrs-tx-2024-en-r&anchor=para_22&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 12 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_12_f&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph q -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_q&doctype=Standard -URIDate 2024-03-27 + Details
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