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Financial Instruments - Sensitivity Analysis of Interest Rate Risks (Details) - Interest rate risk - MXN ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Interest rate swap | FEMSA Entity Excluding Coca-Cola FEMSA |  |  |
Disclosure of Interest Rate Risk Exposure [line items] |  |  |
Effect on Equity | $ (212) | $ (354) | $ (432)
Change in interest rate | (100.00%) | (100.00%) | (100.00%)
Interest rate swap | Coca-Cola FEMSA |  |  |
Disclosure of Interest Rate Risk Exposure [line items] |  |  |
Effect on Equity |  |  | $ (37)
Change in interest rate |  |  | (100.00%)
Unhedged Portion Bank Loans [member] |  |  |
Disclosure of Interest Rate Risk Exposure [line items] |  |  |
Change in interest rate | 100.00% | 100.00% | 100.00%
Effect on profit loss | $ (627) | $ (110) | $ (50)

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- Definition Change in basis point effect on equity. + References No definition available. + Details
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- Definition Change in interest rate. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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