XML 87 R97.htm IDEA: XBRL DOCUMENT
v3.19.2

Information by Segment - Summary of Geographic Disclosure (Detail) - MXN ($) $ in Millions | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Disclosure of geographical areas [line items] |  |
Total Non Current Assets | $ 454,657 | $ 398,774
Mexico and Central America [member] |  |
Disclosure of geographical areas [line items] |  |
Total Non Current Assets | 233,686 | 195,310
South America [member] |  |
Disclosure of geographical areas [line items] |  |
Total Non Current Assets | 137,247 | 120,003
Europe [member] |  |
Disclosure of geographical areas [line items] |  |
Total Non Current Assets | $ 83,724 | $ 83,461

X
- 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
Name: | ifrs-full_DisclosureOfGeographicalAreasLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 2018-01-01 -Paragraph 33 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_33_b&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=fmx_MexicoAndCentralAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=srt_SouthAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=srt_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |