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Non-Controlling Interest in Consolidated Subsidiaries - Options (Details) - MXN ($) $ in Millions		12 Months Ended
	Dec. 13, 2019	Dec. 31, 2021	Dec. 31, 2019
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items]
derivative instrument, intrinsic value		$ 0
Grupo Socofar
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items]
Percentage of ownership in subsidiary	40.00%		100.00%
NW Synergy Holdings LLC.
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items]
Percentage of ownership in subsidiary		89.50%
FEMSA Comercio Health Division
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items]
Ownership under option, as a percent	40.00%
Open Market
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items]
Ownership under option, as a percent		20.00%
Percentage of ownership in subsidiary		20.00%

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- Definition

Amount of intrinsic value of derivative instrument.

+ References

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- Definition

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- Definition

The percentage ownership under option to be acquired from past acquisitions.

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2021-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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