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Information by Segment - Summary of Geographic Disclosure (Detail) - MXN ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Disclosure of geographical areas [line items] |  |
Total Non Current Assets | $ 464,468 | $ 398,774
Mexico and Central America [member] |  |
Disclosure of geographical areas [line items] |  |
Total Non Current Assets | 244,199 | 195,310
South America [member] |  |
Disclosure of geographical areas [line items] |  |
Total Non Current Assets | 136,480 | 120,003
Europe [member] |  |
Disclosure of geographical areas [line items] |  |
Total Non Current Assets | $ 83,789 | $ 83,461

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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 amount of non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets and rights arising under insurance contracts. [Refer: Deferred tax assets; Financial instruments, class [member]; Non-current assets; Types of insurance contracts [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2019-01-01 -Paragraph 33 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2019-en-r&anchor=para_33_b&doctype=Standard -URIDate 2019-03-27 + Details
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Period Type: | instant

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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |