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Basis of Preparation - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2017 $ / $ / $	Mar. 05, 2018 $ / $
Disclosure of Detailed Information About Investment Property [line items]
Exchange Rate	19.64
Increase decrease in foreign currency exchange rate	3.81%
Coca-Cola FEMSA Philippines, Inc. [member]
Disclosure of Detailed Information About Investment Property [line items]
Percentage of ownership	51.00%
Percentage of remaining ownership	49.00%
Venezuela [member]
Disclosure of Detailed Information About Investment Property [line items]
Exchange Rate | / $	22,793
Foreign currency exchange [member]
Disclosure of Detailed Information About Investment Property [line items]
Exchange Rate		18.89

X

- Definition

The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery.

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