Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Details)

v3.8.0.1
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Earnings attributable to Centene Corporation    
Earnings attributable to Centene Corporation $ 340 $ 139
Shares used in computing per share amounts:    
Weighted average number of common shares outstanding (in shares) 173,921 172,074
Common stock equivalents (as determined by applying the treasury stock method) (in shares) 3,769 3,762
Weighted average number of common shares and potential dilutive common shares outstanding (in shares) 177,690 175,836
Net earnings per common share attributable to Centene Corporation:    
Basic earnings per common share (in dollars per share) $ 1.95 $ 0.81
Diluted earnings per common share (in dollars per share) $ 1.91 $ 0.79
Anti-dilutive restricted stock and restricted stock units excluded from the calculation of diluted earnings per common share (in shares) 5 55