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Supplemental Guarantor Information - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2019
Supplemental Information [abstract]
Percentage of owned guarantors subsidiaries	100.00%

X

- Definition

Percentage of owned guarantors subsidiaries

+ References

No definition available.

+ Details

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Namespace Prefix:	kof_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Supplemental information.

+ References

No definition available.

+ Details

Name:	kof_SupplementalInformationAbstract
Namespace Prefix:	kof_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration