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Intangible Assets - Key Assumptions by CGU for Impairment Test (Details) - MXN ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Mexico | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 9.00% | 9.00%
Post-tax WACC | 6.30% | 6.30%
Mexico | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2025-2029 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation | 4.10% |
Expected Volume Growth Rates | 5.40% |
Mexico | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2024-2028 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation |  | 4.30%
Expected Volume Growth Rates |  | 4.40%
Mexico | Health Division |  |
Disclosure of information for cash-generating units [line items] |  |
Impairment charge, intangibles |  | $ 1,975
Brazil | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 10.90% | 10.10%
Post-tax WACC | 6.80% | 6.80%
Brazil | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2025-2029 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation | 3.60% |
Expected Volume Growth Rates | 4.10% |
Brazil | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2024-2028 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation |  | 3.80%
Expected Volume Growth Rates |  | 3.80%
Colombia | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 12.00% | 12.20%
Post-tax WACC | 7.90% | 7.70%
Colombia | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2025-2029 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation | 3.10% |
Expected Volume Growth Rates | 6.60% |
Colombia | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2024-2028 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation |  | 4.20%
Expected Volume Growth Rates |  | 6.80%
Colombia | Health Division |  |
Disclosure of information for cash-generating units [line items] |  |
Impairment charge, intangibles | $ 660 | $ 634
Argentina | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 16.00% | 20.80%
Post-tax WACC | 12.00% | 16.10%
Argentina | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2025-2029 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation | 35.10% |
Expected Volume Growth Rates | 4.50% |
Argentina | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2024-2028 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation |  | 70.80%
Expected Volume Growth Rates |  | 4.80%
Guatemala | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 9.50% | 9.30%
Post-tax WACC | 7.20% | 7.30%
Guatemala | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2025-2029 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation | 4.00% |
Expected Volume Growth Rates | 11.90% |
Guatemala | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2024-2028 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation |  | 4.00%
Expected Volume Growth Rates |  | 14.90%
Costa Rica | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 12.00% | 11.40%
Post-tax WACC | 8.50% | 8.80%
Costa Rica | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2025-2029 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation | 2.80% |
Expected Volume Growth Rates | 6.60% |
Costa Rica | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2024-2028 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation |  | 2.90%
Expected Volume Growth Rates |  | 6.60%
Nicaragua | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 23.00% | 23.30%
Post-tax WACC | 13.10% | 16.40%
Nicaragua | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2025-2029 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation | 3.50% |
Expected Volume Growth Rates | 6.50% |
Nicaragua | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2024-2028 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation |  | 2.60%
Expected Volume Growth Rates |  | 6.50%
Panama | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 11.70% | 11.60%
Post-tax WACC | 9.10% | 8.60%
Panama | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2025-2029 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation | 1.80% |
Expected Volume Growth Rates | 6.30% |
Panama | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2024-2028 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation |  | 2.00%
Expected Volume Growth Rates |  | 7.80%
Uruguay | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 9.50% | 9.70%
Post-tax WACC | 7.10% | 7.40%
Uruguay | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2025-2029 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation | 5.10% |
Expected Volume Growth Rates | 4.20% |
Uruguay | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2024-2028 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation |  | 5.70%
Expected Volume Growth Rates |  | 3.70%
South America | Health Division |  |
Disclosure of information for cash-generating units [line items] |  |
Impairment charge, intangibles | $ 7,074 |
South America | Health Division | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 6.80% | 7.30%
Post-tax WACC | 5.90% | 6.40%
South America | Health Division | 2025-2029 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation | 3.10% |
South America | Health Division | 2024-2028 | Coca-Cola FEMSA |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation |  | 2.60%
Expected Volume Growth Rates | 1.90% | 0.20%
United States | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 5.70% | 5.80%
Post-tax WACC | 5.30% | 5.50%
Impairment charge, intangibles | $ 21,560 |
United States | Aggregate cash-generating units for which amount of goodwill or intangible assets with indefinite useful lives is not significant [member] | 2025-2029 |  |
Disclosure of information for cash-generating units [line items] |  |
Expected Annual Long-Term Inflation | 1.00% | 1.40%
Expected Volume Growth Rates | 4.50% | 0.20%
Chile | Health Division |  |
Disclosure of information for cash-generating units [line items] |  |
Impairment charge, intangibles | $ 6,383 | $ 5,890
Ecuador | Health Division |  |
Disclosure of information for cash-generating units [line items] |  |
Impairment charge, intangibles | $ 31 | $ 196

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