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Dividends - Additional Information (Detail) - Ordinary shares [member] - MXN ($) | Nov. 01, 2019 | May 03, 2019 | Mar. 14, 2019
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Coca Cola FEMSA [member] |  |  |
Disclosure of Dividends Paid and Proposed [line items] |  |  |
Dividend approved to be paid |  |  | $ 7,437,000,000
Percentage of dividend paid |  | $ 0.50 |
Dividend announcement [member] | Non-controlling interest [member] |  |  |
Disclosure of Dividends Paid and Proposed [line items] |  |  |
Dividend approved to be paid | $ 3,925,000,000 |  |
Dividend announcement [member] | Coca Cola FEMSA [member] |  |  |
Disclosure of Dividends Paid and Proposed [line items] |  |  |
Percentage of dividend paid | 50.00% |  |

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