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v3.19.1

Supplemental Guarantor Information - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2018
Supplemental Information [abstract] |
Percentage of owned guarantors subsidiaries | 100.00%

X
- Definition Percentage of owned guarantors subsidiaries + References No definition available. + Details
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Namespace Prefix: | kof_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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