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Other Liabilities, Provisions and Commitments - Additional Information (Detail) - MXN ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies payable to former shareholders | $ 899 | $ 899 |
Aggregate amount claimed against company | 102,659 |  |
Extraordinary benefit | 1,083 |  |
Commitments for the Purchase of property, plant and equipment | 726 | 432 |
Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | 55,288 |  |
Litigation amount | 10,721 | $ 7,342 | $ 10,471
Value Added Tax | Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | 8,573 |  |
Tax Credits | Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | 30,821 |  |
Federal Taxes | Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | 4,766 |  |
Liabilities of amortization of goodwill of business acquisition | Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | 8,549 |  |
Operations Of Third Party | Brazil |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Tax contingencies amount | $ 2,579 |  |

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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 2021-01-01 -Paragraph 74 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_74_c&doctype=Standard -URIDate 2021-03-24 + Details
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