XML 94 R79.htm IDEA: XBRL DOCUMENT v3.8.0.1

Accounts Receivable, Net - Additional Information (Detail) - MXN ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
The Coca-Cola company [member]
Disclosure Of Accounts Receivable [line items]
Contributions from related parties	$ 4,023	$ 4,518	$ 3,749

X

- Definition

Disclosure Of Accounts Receivable [line items]

+ References

No definition available.

+ Details

Name:	fmx_DisclosureOfAccountsReceivableLineItems
Namespace Prefix:	fmx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of receivables due from related parties. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 78
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78_b&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_TradeAndOtherReceivablesDueFromRelatedParties
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=fmx_CocaColaCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: