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Fair Value Measurements and Financial Instruments - Additional Information, Foreign Exchange Risk (Details) | 12 Months Ended
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Dec. 31, 2017 country_and_territory
Financial Instruments and Fair Value Measurements [Abstract] |
Minimum number of countries and territories serving consumers (more than) (in countries and territories) | 200

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- References No definition available. + Details
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Period Type: | duration

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- Definition Minimum Number Of Countries And Territories Serving Consumers + References No definition available. + Details
Name: | cl_MinimumNumberOfCountriesAndTerritoriesServingConsumers
Namespace Prefix: | cl_
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Balance Type: | na
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