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Other Current Assets and Other Current Financial Assets - Additional Information (Detail) - MXN ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Other Current Assets [abstract] |  |  |
Amortization of advertising and promotional expenses recorded in consolidated income statement | $ 5,813 | $ 4,504 | $ 5,030

X
- Definition Amortization of prepaid advertising and promotional expenses. + References No definition available. + Details
Name: | kof_AmortizationOfPrepaidAdvertisingAndPromotionalExpenses
Namespace Prefix: | kof_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Other current assets. + References No definition available. + Details
Name: | kof_OtherCurrentAssetsAbstract
Namespace Prefix: | kof_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration