v3.25.0.1
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Numerator for earnings per share calculation:      
Net income attributable to CVS Health, basic $ 4,614 $ 8,344 $ 4,311
Net income attributable to CVS Health, diluted $ 4,614 $ 8,344 $ 4,311
Denominator for earnings per share calculation:      
Weighted average shares, basic (in shares) 1,259 1,285 1,312
Weighted average shares, diluted (in shares) 1,262 1,290 1,323
Earnings per share:      
Basic (in dollars per share) $ 3.67 $ 6.49 $ 3.29
Diluted (in dollars per share) $ 3.66 $ 6.47 $ 3.26
Stock options and SARs      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of EPS (in shares) 8 8 4
Denominator for earnings per share calculation:      
Effect of dilutive securities (in shares) 1 2 5
Restricted stock units and performance stock units      
Denominator for earnings per share calculation:      
Effect of dilutive securities (in shares) 2 3 6