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v3.19.2

Other Liabilities, Provisions and Contingencies - Additional Information (Detail) - MXN ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2018
Disclosure of financial liabilities [line items] |  |
Provisions, other non-current liabilities and other current and non-current financial liabilities | $ 32,676 | $ 22,693
Aggregate amount claimed against company | 54,590 |
Brazil [member] |  |
Disclosure of financial liabilities [line items] |  |
Litigation amount | 9,531 | $ 7,739
Coca-Cola FEMSA [member] |  |
Disclosure of financial liabilities [line items] |  |
Tax contingencies amount | 52,371 |
Coca-Cola FEMSA [member] | ICMS [member] |  |
Disclosure of financial liabilities [line items] |  |
Tax contingencies amount | 10,399 |
Coca-Cola FEMSA [member] | Tax credits [member] |  |
Disclosure of financial liabilities [line items] |  |
Tax contingencies amount | 34,977 |
Coca-Cola FEMSA [member] | Federal taxes [member] |  |
Disclosure of financial liabilities [line items] |  |
Tax contingencies amount | 3,671 |
Coca-Cola FEMSA [member] | Value added tax [member] |  |
Disclosure of financial liabilities [line items] |  |
Tax contingencies amount | 3,324 |
Heineken [member] | Unsettled [member] | Brazil [member] |  |
Disclosure of financial liabilities [line items] |  |
Unsettled indirect tax contingencies | $ 9,531 |

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