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Balances and Transactions with Related Parties and Affiliated Companies - Commitments with Related Parties (Detail) - Heineken [member]	12 Months Ended
	Dec. 31, 2017
Disclosure of transactions between related parties [line items]
Commitment	Supply
Conditions	Supply of all beer products in Mexico’s OXXO stores. The contract may be renewed for five years or additional periods. At the end of the contract OXXO will not hold exclusive contract with another supplier of beer for the next 3 years. Commitment term, Jan 1st, 2010 to Jun 30, 2020.

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- Definition

The description of the nature of the related party relationships. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 24
-IssueDate 2017-01-01
-Paragraph 18
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-URIDate 2017-03-09

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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No definition available.

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- Definition

The explanation of the terms and conditions of outstanding balances for related party transactions. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2017-01-01
-Paragraph 18
-Subparagraph b
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-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_18_b_i&doctype=Standard
-URIDate 2017-03-09

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