Company Business (Details)	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Delek
Disclosure Of Parent Entity Information [line items]
Business acquisition, percentage of equity interests acquired		100.00%
Coca-Cola FEMSA, S.A.B. de C.V. and subsidiaries (“Coca-Cola FEMSA”)
Disclosure Of Parent Entity Information [line items]
Percentage of ownership interest of subsidiary	47.20%	47.20%
Percentage of voting share in subsidiary	56.00%	56.00%
Percentage of shares traded as american depositary shares	25.00%
Coca-Cola FEMSA, S.A.B. de C.V. and subsidiaries (“Coca-Cola FEMSA”) \| The Coca-Cola company
Disclosure Of Parent Entity Information [line items]
Percentage of ownership interest of subsidiary	27.80%
Proximity Americas Division
Disclosure Of Parent Entity Information [line items]
Percentage of ownership interest of subsidiary	100.00%	100.00%
Proximity Europe Division
Disclosure Of Parent Entity Information [line items]
Percentage of ownership interest of subsidiary	100.00%	100.00%
Fuel Division
Disclosure Of Parent Entity Information [line items]
Percentage of ownership interest of subsidiary	100.00%	100.00%
Health Division
Disclosure Of Parent Entity Information [line items]
Percentage of ownership interest of subsidiary	100.00%	100.00%
Other businesses
Disclosure Of Parent Entity Information [line items]
Percentage of ownership interest of subsidiary	100.00%	100.00%

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- Definition

The percentage of shares traded as American Depositary Shares (ADS).

+ References

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- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Total for all business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2025-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
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-Paragraph 35
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_c&doctype=Standard
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The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Total for all subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2025-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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The proportion of the voting rights in a subsidiary held by the entity. [Refer: Total for all subsidiaries [member]]

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