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Other Current Assets and Other Current Financial Assets - Additional Information (Detail) - MXN ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
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Other Current Assets [abstract] |  |  |
Other current assets and other current financial assets | $ 6,748 | $ 5,813 | $ 4,504

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

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- Definition Other current assets and financial assets. + References No definition available. + Details
Name: | kof_OtherCurrentAssetsAndFinancialAssets
Namespace Prefix: | kof_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant