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Earnings Per Share | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share |
Earnings Per Share | 14Earnings Per Share The following is a reconciliation of basic and diluted earnings per share from continuing operations for the years ended December 31:
In millions, except per share amounts |  | 2017 |  | 2016 |  | 2015
Numerator for earnings per share calculation: |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 6,631 |  | $ | 5,320 |  | $ | 5,230
Income allocated to participating securities |  |  | (24) |  |  | (27) |  |  | (26)
Net income attributable to noncontrolling interest |  |  | (1) |  |  | (2) |  |  | (2)
Income from continuing operations attributable to CVS Health |  | $ | 6,606 |  | $ | 5,291 |  | $ | 5,202
Denominator for earnings per share calculation: |  |  |  |  |  |  |  |  |
Weighted average shares, basic |  |  | 1,020 |  |  | 1,073 |  |  | 1,118
Effect of dilutive securities |  |  | 4 |  |  | 6 |  |  | 8
Weighted average shares, diluted |  |  | 1,024 |  |  | 1,079 |  |  | 1,126
Earnings per share from continuing operations: |  |  |  |  |  |  |  |  |
Basic |  | $ | 6.48 |  | $ | 4.93 |  | $ | 4.65
Diluted |  | $ | 6.45 |  | $ | 4.91 |  | $ | 4.62

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