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Other Liabilities, Provisions and Commitments - Summary of Nature and Amount of Loss Contingencies Recorded (Detail) - MXN ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of other provisions [line items] |  |  |  |
Total | $ 2,788 | $ 3,270 |  |
Taxes |  |  |  |
Disclosure of other provisions [line items] |  |  |  |
Total | 940 | 1,348 | $ 1,823 | $ 2,066
Labor |  |  |  |
Disclosure of other provisions [line items] |  |  |  |
Total | 1,180 | 1,308 | 1,385 | 1,472
Legal |  |  |  |
Disclosure of other provisions [line items] |  |  |  |
Total | $ 668 | $ 614 | $ 679 | $ 612

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- Definition The amount of liabilities of uncertain timing or amount, including provisions for employee benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_l&doctype=Standard -URIDate 2024-03-27 + Details
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