XML 106 R76.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Financial Instruments - Additional Information (Detail) $ / shares in Units, R$ in Millions, $ in Millions			9 Months Ended	12 Months Ended
	Nov. 14, 2018 MXN ($)	Dec. 06, 2016 MXN ($) $ / shares	Sep. 30, 2019 MXN ($)	Dec. 31, 2018 MXN ($)	Dec. 31, 2018 BRL (R$)	Sep. 30, 2018
Disclosure of detailed information about financial instruments [line items]
Annual rate			9.09%			8.63%
Promissory notes [member] | Vonpar [member]
Disclosure of detailed information about financial instruments [line items]
Remaining unpaid balance			$ 4,319.0	$ 4,652.0	R$ 916
Liabilities paid	$ 393.0
Annual rate		0.375%
Maturity period		three-year
Estimated fair value of derivative		$ 343.0	0.0	14.0
Promissory notes [member] | Vonpar [member] | Series L share [member]
Disclosure of detailed information about financial instruments [line items]
Strike price per share | $ / shares		$ 178.5
Options to purchase foreign currency [member]
Disclosure of detailed information about financial instruments [line items]
Premium paid for outstanding call options			$ 9.0	$ 43.0

X

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2019-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_7&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_BorrowingsInterestRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The maturity of borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2019-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_7&doctype=Standard
-URIDate 2019-03-27

+ Details

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

X

- Definition

The fair value of a credit derivative. [Refer: At fair value [member]; Derivatives [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2019-01-01
-Paragraph 24G
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_24G_a&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_CreditDerivativeFairValue
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

X

- Definition

The fair value, at acquisition date, of liabilities incurred (for example, a liability for contingent consideration) as consideration transferred in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2019-01-01
-Paragraph B64
-Subparagraph f
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2019-en-r&anchor=para_B64_f_iii&doctype=Appendix&subtype=B
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_LiabilitiesIncurred
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The cash outflow for repayments of bonds, notes and debentures.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2019-01-01
-Paragraph 17
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_17&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_RepaymentsOfBondsNotesAndDebentures
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Fair value measurement strike price per share.

+ References

No definition available.

+ Details

Name:	kof_FairValueMeasurementStrikePricePerShare
Namespace Prefix:	kof_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Premium paid for outstanding call options.

+ References

No definition available.

+ Details

Name:	kof_PremiumPaidForOutstandingCallOptions
Namespace Prefix:	kof_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=kof_PromissoryNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BusinessCombinationsAxis=kof_VonparMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=kof_SeriesLShareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfFinancialAssetsAxis=kof_OptionsToPurchaseForeignCurrencyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: