v3.26.1
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Numerator for earnings per share calculation:        
Net income attributable to CVS Health, basic $ 2,979 $ 1,021 $ 5,922 $ 2,800
Net income attributable to CVS Health, diluted $ 2,979 $ 1,021 $ 5,922 $ 2,800
Denominator for earnings per share calculation:        
Weighted average shares, basic (in shares) 1,279 1,266 1,276 1,264
Weighted average shares, diluted (in shares) 1,287 1,270 1,283 1,267
Earnings per share:        
Basic (in dollars per share) $ 2.33 $ 0.81 $ 4.64 $ 2.22
Diluted (in dollars per share) $ 2.31 $ 0.80 $ 4.61 $ 2.21
Restricted stock units and performance stock units        
Denominator for earnings per share calculation:        
Effect of dilutive securities (in shares) 6 2 6 2
Stock options and stock appreciation rights        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from computation of EPS (in shares) 2 9 3 10
Denominator for earnings per share calculation:        
Effect of dilutive securities (in shares) 2 2 1 1