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Income Taxes (Details) - USD ($)	3 Months Ended	9 Months Ended
	Mar. 31, 2020	Sep. 30, 2021
Income Tax Disclosure [Abstract]
Provisional income tax benefit		$ 71,000,000
Foreign withholding income tax	$ 45,000,000	45,000,000
Valuation allowance against deferred tax asset	26,000,000	$ 26,000,000
Withholding tax due	$ 0

X

- Definition

Discrete Income Tax Provision (Benefit)

+ References

No definition available.

+ Details

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X

- Definition

Foreign Withholding Income Tax

+ References

No definition available.

+ Details

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X

- Definition

Withholding Tax Due

+ References

No definition available.

+ Details

Name:	cl_WithholdingTaxDue
Namespace Prefix:	cl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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X

- References

No definition available.

+ Details

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X

- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

+ Details

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