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Earnings Per Share | 3 Months Ended
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Mar. 31, 2022
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share Earnings per share is computed using the treasury stock method. Stock options and stock appreciation rights to purchase 2 million and 10 million shares of common stock were outstanding, but were excluded from the calculation of diluted earnings per share for the three months ended March 31, 2022 and 2021, respectively, because their exercise prices were greater than the average market price of the common shares and, therefore, the effect would be antidilutive. The following is a reconciliation of basic and diluted earnings per share for the respective periods:
| Three Months Ended March 31, |  |
In millions, except per share amounts | 2022 |  | 2021 |  |  |  |
Numerator for earnings per share calculation: |  |  |  |  |  |  |
Net income attributable to CVS Health | $ | 2,312 |  |  | $ | 2,223 |  |  |  |  |
Denominator for earnings per share calculation: |  |  |  |  |  |  |
Weighted average shares, basic | 1,312 |  |  | 1,313 |  |  |  |  |
Restricted stock units and performance stock units | 10 |  |  | 6 |  |  |  |  |
Stock options and stock appreciation rights | 6 |  |  | 3 |  |  |  |  |
Weighted average shares, diluted | 1,328 |  |  | 1,322 |  |  |  |  |
Earnings per share: |  |  |  |  |  |  |
Basic | $ | 1.76 |  |  | $ | 1.69 |  |  |  |  |
Diluted | $ | 1.74 |  |  | $ | 1.68 |  |  |  |  |

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