XML 207 R90.htm IDEA: XBRL DOCUMENT
v3.20.1

Other Current Assets and Other Current Financial Assets - Summary of Other Current Assets (Detail) - MXN ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Disclosure Of Other Current Assets [abstract] |  |
Prepaid expenses | $ 2,201 | $ 2,714
Recoverable taxes | 268 | 316
Agreements with customers | 294 | 146
Licenses | 575 | 146
Assets classified as held for sale | 197 | 49
Other | 553 | 49
Other current assets | $ 4,088 | $ 3,420

X
- Definition Agreement with customers. + References No definition available. + Details
Name: | fmx_AgreementWithCustomers
Namespace Prefix: | fmx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Current recoverable taxes. + References No definition available. + Details
Name: | fmx_CurrentRecoverableTaxes
Namespace Prefix: | fmx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Disclosure Of Other Current Assets [abstract] + References No definition available. + Details
Name: | fmx_DisclosureOfOtherCurrentAssetsAbstract
Namespace Prefix: | fmx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Licenses + References No definition available. + Details
Name: | fmx_Licenses
Namespace Prefix: | fmx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Other current assets other. + References No definition available. + Details
Name: | fmx_OtherCurrentAssetsOther
Namespace Prefix: | fmx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount recognised as a current asset for expenditures made prior to the period when the economic benefit will be realised. + 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
Name: | ifrs-full_CurrentPrepaidExpenses
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of non-current assets or disposal groups classified as held for sale. [Refer: Disposal groups classified as held for sale [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2019-01-01 -Paragraph 38 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2019-en-r&anchor=para_38&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of current assets that the entity does not separately disclose in the same statement or note. [Refer: Current assets] + 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
Name: | ifrs-full_OtherCurrentAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant