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Activities of the Company - Summary of Significant Investments in Subsidiaries (Detail) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Propimex, S. de R.L. de C.V. |  |
Disclosure of Subsidiaries [line items] |  |
Activity | Manufacturing and distribution |
Country | Mexico |
Ownership percentage | 100.00% | 100.00%
Controladora Interamericana de Bebidas, S. de R. L. de C.V. |  |
Disclosure of Subsidiaries [line items] |  |
Activity | Holding |
Country | Mexico |
Ownership percentage | 100.00% | 100.00%
Spal Industria Brasileira de Bebidas, S.A. |  |
Disclosure of Subsidiaries [line items] |  |
Activity | Manufacturing and distribution |
Country | Brazil |
Ownership percentage | 96.06% | 96.06%
Distribuidora y Manufacturera del Valle de México, S. de R. L. de C.V. |  |
Disclosure of Subsidiaries [line items] |  |
Activity | Manufacturing and distribution |
Country | Mexico |
Ownership percentage | 100.00% | 100.00%
Servicios Refresqueros del Golfo y Bajio, S. de R.L. de C.V. |  |
Disclosure of Subsidiaries [line items] |  |
Activity | Manufacturing and distribution |
Country | Mexico |
Ownership percentage | 100.00% | 100.00%

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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 -Number 27 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 19B -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2019-03-27 + Details
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