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Income Taxes - Additional Information (Detail) - MXN ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Major Components Of Tax Expense Income [line items] |  |  |
Unrecognized deferred tax liabilities | $ 8,762,000,000 | $ 5,212,000,000 | $ 13,187,000,000
NOLs usage limit | 30.00% |  |
Brazil |  |  |
Major Components Of Tax Expense Income [line items] |  |  |
Recoverable taxes | $ 1,243,000,000 | $ 2,523,000,000 |
Average federal production and federal sales tax | 16.20% |  |

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- Definition The aggregate amount of temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements, for which deferred tax liabilities have not been recognised as a result of satisfying both of the following conditions: (a) the parent, investor, joint venturer or joint operator is able to control the timing of the reversal of the temporary difference; and (b) it is probable that the temporary difference will not reverse in the foreseeable future. [Refer: Associates [member]; Subsidiaries [member]; Temporary differences [member]; Investments in subsidiaries reported in separate financial statements] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_f&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Average federal production and federal sales tax + References No definition available. + Details
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- Definition Recoverable taxes + References No definition available. + Details
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