XML 117 R96.htm IDEA: XBRL DOCUMENT
v3.22.1

Intangible Assets - Average Remaining Amortization Period (Details) | 12 Months Ended
--- | ---
Dec. 31, 2021
Minimum | Technology costs and management systems |
Disclosure of intangible assets material to entity [line items] |
Average Remaining Period Intangible Assets Subject to Amortization | 2 years
Minimum | Customer Relationship |
Disclosure of intangible assets material to entity [line items] |
Average Remaining Period Intangible Assets Subject to Amortization | 10 years
Minimum | Alcohol licenses |
Disclosure of intangible assets material to entity [line items] |
Average Remaining Period Intangible Assets Subject to Amortization | 12 years
Maximum | Technology costs and management systems |
Disclosure of intangible assets material to entity [line items] |
Average Remaining Period Intangible Assets Subject to Amortization | 10 years
Maximum | Customer Relationship |
Disclosure of intangible assets material to entity [line items] |
Average Remaining Period Intangible Assets Subject to Amortization | 25 years
Maximum | Alcohol licenses |
Disclosure of intangible assets material to entity [line items] |
Average Remaining Period Intangible Assets Subject to Amortization | 12 years

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The remaining amortisation period of individual intangible assets that are material to the entity’s financial statements. [Refer: Depreciation and amortisation expense] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 122 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_122_b&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_RemainingAmortisationPeriodOfIntangibleAssetsMaterialToEntity2019
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=fmx_TechnologyCostsAndManagementSystemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=fmx_CustomerRelationshipMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=fmx_AlcoholLicensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |