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Other Liabilities, Provisions and Commitments - Additional Information (Detail) - MXN ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of contingent liabilities [line items] |  |  |
Aggregate amount claimed against company | $ 164,577 |  |
Commitments for the purchase of property, plant and equipment | 9,166 | $ 3,394 |
Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | 110,752 |  |
Litigation amount | 15,700 | $ 13,692 | $ 13,728
Value Added Tax | Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | 10,454 |  |
Tax Credits | Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | 37,219 |  |
Federal Taxes | Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | 30,115 |  |
Liabilities of amortization of goodwill of business acquisition | Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | 12,263 |  |
Operations Of Third Party | Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | 2,621 |  |
Exclusion of ICMS (VAT) | Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | 706 |  |
Disputes On Tax Deductions | Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | $ 17,374 |  |

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- Definition The amount of contractual commitments for the acquisition of property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 74 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_74_c&doctype=Standard -URIDate 2024-03-27 + Details
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