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Non-Controlling Interest in Consolidated Subsidiaries (Detail) $ in Millions, $ in Millions | Dec. 31, 2020 USD ($) | Dec. 31, 2020 MXN ($) | Dec. 31, 2019 MXN ($)
--- | --- | --- | ---
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |
Non controlling interest | $ 3,491 | $ 69,444 | $ 73,762
Coca-Cola FEMSA [member] |  |  |
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |
Non controlling interest |  | 66,800 | 72,649
Other [Member] |  |  |
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items] |  |  |
Non controlling interest |  | $ 2,644 | $ 1,113

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