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Financial Instruments - Summarizes Company's Financial Assets and Liabilities Measured at Fair Value (Detail) - MXN ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Disclosure of detailed information about financial instruments [line items] |  |
Derivative financial instruments asset | $ 9 | $ 1,897
Derivative financial instruments liability |  |
Trust assets of labor obligations | 0 | 0
Level 1 [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Derivative financial instruments asset | 91 | 0
Derivative financial instruments liability | 47 | 236
Trust assets of labor obligations | 1,249 | 1,142
Level 2 [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Derivative financial instruments asset | 905 | 2,605
Derivative financial instruments liability | $ 2,191 | $ 881

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- Definition The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Trust Assets Of Labor Obligations + References No definition available. + Details
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- Details
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- Details
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