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v3.25.1

Post-Employment and Other Non-Current Employee Benefits - Balances of Liabilities for Summary of Variable Return Financial Instruments Recorded at Market Values (Detail) | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Variable return: |  |
Fixed and variable trust assets | 100.00% | 100.00%
Traded securities |  |
Fixed return: |  |
Fixed return | 19.00% | 27.00%
Life annuities |  |
Fixed return: |  |
Fixed return | 17.00% | 18.00%
Bank instruments |  |
Fixed return: |  |
Fixed return | 5.00% | 5.00%
Federal government instruments |  |
Fixed return: |  |
Fixed return | 42.00% | 36.00%
Publicly traded shares |  |
Variable return: |  |
Variable return | 17.00% | 14.00%

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- Definition Fixed return [abstract] + References No definition available. + Details
Name: | kof_FixedReturnAbstract
Namespace Prefix: | kof_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Trust assets fixed and variable return percentage + References No definition available. + Details
Name: | kof_TrustAssetsFixedAndVariableReturnPercentage
Namespace Prefix: | kof_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Trust assets fixed return percentage + References No definition available. + Details
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Namespace Prefix: | kof_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Trust assets variable return percentage + References No definition available. + Details
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Namespace Prefix: | kof_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Variable return [abstract] + References No definition available. + Details
Name: | kof_VariableReturnAbstract
Namespace Prefix: | kof_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfAssetsAxis=kof_LifeAnnuitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |