Trade Accounts Receivable, Net - Receivable from Coca-Cola (Detail) - MXN ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
The Coca-Cola Company [member]
Disclosure Of Accounts Receivable [line items]
Contributions from related parties	$ 1,482	$ 2,274	$ 3,542

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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 78
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78_b&doctype=Standard
-URIDate 2020-01-01

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