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Intangible Assets - Detailed Information About Sensitivity to Changes in Assumptions (Detail) - Cash Generating Units [member] | 12 Months Ended
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Dec. 31, 2018
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Change in WACC | 0.30%
Change in Sales Growth CAGR | (0.50%)
Effect on Valuation | Passes by 1.15x
Mexico [member] | Coca-Cola FEMSA [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Change in WACC | 0.30%
Change in Sales Growth CAGR | (1.00%)
Effect on Valuation | Passes by 5.0x
Colombia [member] | Coca-Cola FEMSA [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Change in WACC | 0.60%
Change in Sales Growth CAGR | (1.00%)
Effect on Valuation | Passes by 3.9x
Costa Rica [member] | Coca-Cola FEMSA [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Change in WACC | 1.70%
Change in Sales Growth CAGR | (1.00%)
Effect on Valuation | Passes by 1.9x
Guatemala [member] | Coca-Cola FEMSA [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Change in WACC | 0.70%
Change in Sales Growth CAGR | (1.00%)
Effect on Valuation | Passes by 18.4x
Nicaragua [member] | Coca-Cola FEMSA [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Change in WACC | 0.30%
Change in Sales Growth CAGR | (0.30%)
Effect on Valuation | Passes by 1.0x
Panama [member] | Coca-Cola FEMSA [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Change in WACC | 0.30%
Change in Sales Growth CAGR | (1.00%)
Effect on Valuation | Passes by 6.9x
Argentina [member] | Coca-Cola FEMSA [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Change in WACC | 6.10%
Change in Sales Growth CAGR | (1.00%)
Effect on Valuation | Passes by 8.9x
Brazil [member] | Coca-Cola FEMSA [member] |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
Change in WACC | 1.10%
Change in Sales Growth CAGR | (1.00%)
Effect on Valuation | Passes by 1.3x

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