The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2020-01-01
-Paragraph 17
-Subparagraph b
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2020-en-r&anchor=para_17_b_iii&doctype=Standard
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2020-01-01
-Paragraph 16
-Subparagraph b
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2020-en-r&anchor=para_16_b_iii&doctype=Standard
-URIDate 2020-01-01

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2020-01-01
-Paragraph 19B
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_19B_c&doctype=Standard
-URIDate 2020-01-01

Name:	ifrs-full_ProportionOfOwnershipInterestInSubsidiary
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Non-Controlling Interest in Consolidated Subsidiaries - Options (Details)		12 Months Ended
	Dec. 13, 2019	Dec. 31, 2020	Dec. 31, 2018
Grupo Socofar [member]
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items]
Percentage of ownership in subsidiary	40.00%	100.00%	60.00%
FEMSA Comercio Health Division [member]
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items]
Ownership under option, as a percent	40.00%
Open Market [Member]
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items]
Ownership under option, as a percent		20.00%