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Intangible Assets - Additional Information (Detail) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 MXN ($) BasisPoint | Dec. 31, 2018 MXN ($) | Dec. 31, 2017 MXN ($) | Mar. 28, 2017 MXN ($)
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Borrowing costs capitalized |  | $ 333,000,000 |  |  |
Impairment recognized | [1] | $ 1,018,000,000 | $ 432,000,000 | $ 2,063,000,000 |
Risk premium basis points | BasisPoint |  | 100 |  |  |
Total carrying amount of goodwill |  | $ 0 |  |  |
Impairment charge on goodwill |  | 0 |  |  |
Vonpar [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Cash acquired |  |  |  |  | $ 1,664,000,000
FEMSA Comercio - Health Division [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Total carrying amount of goodwill |  | $ 4,743,000,000 |  |  |
Coca-Cola FEMSA [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Risk premium basis points | BasisPoint |  | 100 |  |  |
Venezuela [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Impairment recognized |  | $ 948,000,000 | 432,000,000 | 2,053,000,000 |
Venezuela [member] | Coca-Cola FEMSA [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Impairment recognized |  |  |  | 745,000,000 |
Intangible assets and goodwill [member] |  |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |  |
Borrowing costs capitalized |  | $ 0 | $ 0 | $ 0 |
[1] | Includes impairment loss related to Compañía Panameña de Bebibas, S.A.P.I. de C.V., for an amount of Ps. 948 and Ps. 432 million in 2019 and 2018, respectively (see Note 10), and impairment loss in Venezuela of Ps. 2,053 in 2017 (see Note 3.3).

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- Definition The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 23 -IssueDate 2019-01-01 -Paragraph 26 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=23&code=ifrs-tx-2019-en-r&anchor=para_26_a&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2019-01-01 -Paragraph B67 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2019-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2019-01-01 -Paragraph 134 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2019-en-r&anchor=para_134_a&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2019-01-01 -Paragraph 135 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2019-en-r&anchor=para_135_a&doctype=Standard -URIDate 2019-03-27 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 54 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_c&doctype=Standard -URIDate 2019-03-27 + Details
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