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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Reconciliation of Basic and Diluted Earnings (Loss) Per Share | The following is a reconciliation of basic and diluted earnings per share for the years ended December 31, 2023, 2022 and 2021:
In millions, except per share amounts | 2023 |  | 2022 |  | 2021
Numerator for earnings per share calculation: |  |  |  |  |
Net income attributable to CVS Health | $ | 8,344 |  |  | $ | 4,311 |  |  | $ | 8,001 |
Denominator for earnings per share calculation: |  |  |  |  |
Weighted average shares, basic | 1,285 |  |  | 1,312 |  |  | 1,319 |
Restricted stock units and performance stock units | 3 |  |  | 6 |  |  | 6 |
Stock options and SARs | 2 |  |  | 5 |  |  | 4 |
Weighted average shares, diluted | 1,290 |  |  | 1,323 |  |  | 1,329 |
Earnings per share: |  |  |  |  |
Basic | $ | 6.49 |  |  | $ | 3.29 |  |  | $ | 6.07 |
Diluted | $ | 6.47 |  |  | $ | 3.26 |  |  | $ | 6.02 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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