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Financial Instruments - Summary of Outstanding Interest Rate Swap Agreements (Detail) - MXN ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of detailed information about financial instruments [line items] |  |
Fair value liability |  |
Fair Value Asset | $ 9,000,000 | $ 1,897,000,000
Interest rate swap contract [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maturity Date | 2020 |
Notional Amount | $ 4,365,000,000 |
Fair value liability | (142,000,000) |
Fair Value Asset | $ 0 |
Interest rate swap contract [member] | Not later than one year [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maturity Date |  | 2019
Notional Amount |  | $ 4,013,000,000
Fair value liability |  | (49,000,000)
Fair Value Asset |  | $ 0
Interest rate swap contract [member] | Later than one year and not later than two years [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maturity Date |  | 2020
Notional Amount |  | $ 4,559,000,000
Fair value liability |  | (112,000,000)
Fair Value Asset |  | $ 0
Interest rate swap contract [member] | Later than two years and not later than three years [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maturity Date |  | 2021
Notional Amount |  | $ 4,035,000,000
Fair value liability |  | (110,000,000)
Fair Value Asset |  | $ 0

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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 The nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard -URIDate 2019-03-27 + Details
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- Details
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- Details
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- Details
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