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Subsequent Events - Additional Information (Detail) - Distribution Agreement	1 Months Ended
	Feb. 28, 2021
Disclosure of non-adjusting events after reporting period [line items]
Term of contract	5 years
Renewal term	5 years

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Distribution agreement, renewal term

+ References

No definition available.

+ Details

Name:	kof_DistributionAgreementRenewalTerm
Namespace Prefix:	kof_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Distribution agreement, term of contract

+ References

No definition available.

+ Details

Name:	kof_DistributionAgreementTermOfContract
Namespace Prefix:	kof_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=kof_DistributionAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: