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Supplemental Guarantor Information - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2017
Supplemental Information [Abstract]
Percentage of owned guarantors subsidiaries	100.00%

X

- Definition

Percentage of owned guarantors subsidiaries

+ References

No definition available.

+ Details

Name:	kof_PercentageOfOwnedGuarantorsSubsidiaries
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