Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net income attributable to Colgate-Palmolive Company
Basic EPS	$ 635	$ 586	$ 1,350	$ 1,146
Diluted EPS	$ 635	$ 586	$ 1,350	$ 1,146
Shares
Basic EPS (in shares)	857,400,000	859,400,000	857,100,000	860,700,000
Stock options and restricted stock units (in shares)	1,500,000	2,500,000	1,500,000	2,000,000.0
Diluted EPS (in shares)	858,900,000	861,900,000	858,600,000	862,700,000
Per Share
Basic EPS (in dollars per share)	$ 0.74	$ 0.68	$ 1.58	$ 1.33
Diluted EPS (in dollars per share)	$ 0.74	$ 0.68	$ 1.57	$ 1.33
Antidilutive securities excluded from computation of earnings per share (in shares)	19,291,359	18,334,488	19,717,653	21,751,174