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Intangible Assets - Key Assumptions by CGU for Impairment Test (Details) - MXN ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of information for cash-generating units [line items] |  |
Impairment charge, intangibles |  | $ 375
Mexico | Cash Generating Units | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 6.80% | 7.40%
Post-tax WACC | 4.90% | 5.30%
Mexico | Cash Generating Units | 2021-2030 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term |  | 3.90%
Expected Volume Growth Rates |  | 2.00%
Mexico | Cash Generating Units | 2022-2031 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term | 3.70% |
Expected Volume Growth Rates | 2.80% |
Colombia | Cash Generating Units | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 8.70% | 11.00%
Post-tax WACC | 5.80% | 7.30%
Colombia | Cash Generating Units | 2021-2030 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term |  | 2.80%
Expected Volume Growth Rates |  | 4.10%
Colombia | Cash Generating Units | 2022-2031 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term | 3.00% |
Expected Volume Growth Rates | 8.40% |
Costa Rica | Cash Generating Units | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 13.50% | 15.30%
Post-tax WACC | 9.20% | 10.80%
Costa Rica | Cash Generating Units | 2021-2030 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term |  | 2.70%
Expected Volume Growth Rates |  | 4.30%
Costa Rica | Cash Generating Units | 2022-2031 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term | 3.10% |
Expected Volume Growth Rates | 6.50% |
Guatemala | Cash Generating Units | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 7.90% | 10.60%
Post-tax WACC | 6.10% | 8.30%
Guatemala | Cash Generating Units | 2021-2030 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term |  | 3.10%
Expected Volume Growth Rates |  | 6.80%
Guatemala | Cash Generating Units | 2022-2031 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term | 4.20% |
Expected Volume Growth Rates | 10.70% |
Nicaragua | Cash Generating Units | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 18.30% | 20.60%
Post-tax WACC | 10.60% | 13.90%
Nicaragua | Cash Generating Units | 2021-2030 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term |  | 3.70%
Expected Volume Growth Rates |  | 7.10%
Nicaragua | Cash Generating Units | 2022-2031 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term | 4.30% |
Expected Volume Growth Rates | 6.40% |
Panama | Cash Generating Units | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 8.50% | 8.80%
Post-tax WACC | 6.50% | 6.80%
Panama | Cash Generating Units | 2021-2030 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term |  | 1.50%
Expected Volume Growth Rates |  | 7.90%
Panama | Cash Generating Units | 2022-2031 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term | 2.20% |
Expected Volume Growth Rates | 7.00% |
Argentina | Cash Generating Units | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 19.70% | 26.30%
Post-tax WACC | 14.50% | 20.40%
Argentina | Cash Generating Units | 2021-2030 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term |  | 30.10%
Expected Volume Growth Rates |  | 3.90%
Argentina | Cash Generating Units | 2022-2031 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term | 35.90% |
Expected Volume Growth Rates | 5.40% |
Brazil | Cash Generating Units | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 9.10% | 9.10%
Post-tax WACC | 5.80% | 6.00%
Brazil | Cash Generating Units | 2021-2030 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term |  | 3.00%
Expected Volume Growth Rates |  | 2.40%
Brazil | Cash Generating Units | 2022-2031 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term | 3.30% |
Expected Volume Growth Rates | 7.70% |
Uruguay | Cash Generating Units | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 8.50% | 9.90%
Post-tax WACC | 6.10% | 7.10%
Uruguay | Cash Generating Units | 2021-2030 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term |  | 7.80%
Expected Volume Growth Rates |  | 2.00%
Uruguay | Cash Generating Units | 2022-2031 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term | 5.00% |
Expected Volume Growth Rates | 4.00% |
South America | FEMSA Comercio - Health Division | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 7.30% | 8.30%
Post-tax WACC | 5.30% | 5.80%
South America | FEMSA Comercio - Health Division | 2021-2030 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term |  | 2.80%
Expected Volume Growth Rates |  | 0.20%
South America | FEMSA Comercio - Health Division | 2022-2031 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term | 3.40% |
Expected Volume Growth Rates | 0.30% |
United States | Cash Generating Units |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 5.70% | 8.20%
Post-tax WACC | 4.90% | 6.00%
Impairment charge, intangibles | $ 9,662 |
United States | Cash Generating Units | 2022-2026 |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term | 2.40% |
Expected Volume Growth Rates | 2.00% |
United States | Cash Generating Units | 2021 - 2025 |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long- Term |  | 2.00%
Expected Volume Growth Rates |  | 1.70%

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