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 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Earnings attributable to Centene Corporation:        
Earnings from continuing operations, net of tax $ 205 $ 148 $ 598 $ 304
Discontinued operations, net of tax 0 (1) 0 (3)
Net earnings $ 205 $ 147 $ 598 $ 301
Shares used in computing per share amounts:        
Weighted average number of common shares outstanding (in shares) 172,508 170,775 172,314 155,681
Common stock equivalents (as determined by applying the treasury stock method) (in shares) 4,407 4,720 4,100 4,376
Weighted average number of common shares and potential dilutive common shares outstanding (in shares) 176,915 175,495 176,414 160,057
Basic:        
Continuing operations (in dollars per share) $ 1.19 $ 0.87 $ 3.47 $ 1.95
Discontinued operations (in dollars per share) 0.00 (0.01) 0.00 (0.02)
Basic earnings per common share (in dollars per share) 1.19 0.86 3.47 1.93
Diluted:        
Continuing operations (in dollars per share) 1.16 0.84 3.39 1.90
Discontinued operations (in dollars per share) 0.00 0.00 0.00 (0.02)
Diluted earnings per common share (in dollars per share) $ 1.16 $ 0.84 $ 3.39 $ 1.88
Anti-dilutive restricted stock and restricted stock units excluded from the calculation of diluted earnings per common share (in shares) 4 57 27 66