XML 141 R126.htm IDEA: XBRL DOCUMENT v3.21.1

Bonus Programs - Summary of Shares Granted Under the Company's Executive Incentive Plans (Detail)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	0	0	0
FEMSA
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	2,083,809,000,000
FEMSA | 2016
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	567,671,000,000
FEMSA | 2017
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	326,561,000,000
FEMSA | 2018
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	211,290,000,000
FEMSA | 2019
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	312,006,000,000
FEMSA | 2020
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	666,281,000,000
KOF
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	2,759,468,000,000
KOF | 2016
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	719,132,000,000
KOF | 2017
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	369,791,000,000
KOF | 2018
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	256,281,000,000
KOF | 2019
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	457,338,000,000
KOF | 2020
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares	956,926,000,000

X

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

X

- Definition

The number of share options granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2019-01-01
-Paragraph 45
-Subparagraph b
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_45_b_ii&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=kof_FEMSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kof_TwoThousandSixteenIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kof_TwoThousandSeventeenIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kof_TwoThousandEighteenIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kof_TwoThousandNineteenIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kof_TwoThousandTwentyIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=kof_KOFMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: