XML 83 R68.htm IDEA: XBRL DOCUMENT
v3.21.1

Basis of Preparation - Additional Information (Detail) - $ / $ | Dec. 31, 2020 | Mar. 05, 2020
--- | --- | ---
Disclosure of Detailed Information About Investment Property [line items] |  |
Exchange rate | 19.8920 |
Increase decrease in foreign currency exchange rate | 7.00% |
Foreign Currency Exchange | Forecast |  |
Disclosure of Detailed Information About Investment Property [line items] |  |
Exchange rate |  | 21.2770

X
- Definition The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ClosingForeignExchangeRate
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
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_DisclosureOfInvestmentPropertyLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase decrease in foreign currency exchange rate + References No definition available. + Details
Name: | kof_IncreaseDecreaseInForeignCurrencyExchangeRate
Namespace Prefix: | kof_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=kof_ForeignCurrencyExchangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |