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Earnings Per Share | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share For the years ended December 31, 2017, 2016 and 2015, earnings per share were as follows:
| 2017 |  | 2016 |  | 2015
| Net income attributable to Colgate-Palmolive Company |  | Shares (millions) |  | Per Share |  | Net income attributable to Colgate-Palmolive Company |  | Shares (millions) |  | Per Share |  | Net income attributable to Colgate-Palmolive Company |  | Shares (millions) |  | Per Share
Basic EPS | $ | 2,024 |  |  | 881.8 |  |  | $ | 2.30 |  |  | $ | 2,441 |  |  | 891.8 |  |  | $ | 2.74 |  |  | $ | 1,384 |  |  | 902.2 |  |  | $ | 1.53 |
Stock options and restricted stock units |  |  | 6.0 |  |  |  |  |  |  |  |  | 6.6 |  |  |  |  |  |  |  |  | 7.5 |  |  |  |
Diluted EPS | $ | 2,024 |  |  | 887.8 |  |  | $ | 2.28 |  |  | $ | 2,441 |  |  | 898.4 |  |  | $ | 2.72 |  |  | $ | 1,384 |  |  | 909.7 |  |  | $ | 1.52 |
Basic earnings per common share is computed by dividing net income available for common stockholders by the weighted-average number of shares of common stock outstanding for the period. Diluted earnings per common share is computed using the treasury stock method on the basis of the weighted-average number of shares of common stock plus the dilutive effect of potential common shares outstanding during the period. Dilutive potential common shares include outstanding stock options and restricted stock units. As of December 31, 2017, 2016 and 2015, the average number of stock options that were anti-dilutive and not included in diluted earnings per share calculations were 11,056,725, 3,187,485 and 3,228,359, respectively. As of December 31, 2017, 2016 and 2015, the average number of restricted stock units that were anti-dilutive and not included in diluted earnings per share calculations were 91, 2,693 and 120, respectively.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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