XML 67 R51.htm IDEA: XBRL DOCUMENT v3.7.0.1
Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Amounts attributable to S&P Global Inc. common shareholders:        
Net income $ 421 $ 383 $ 820 $ 677
Basic weighted-average number of common shares outstanding 257,300,000 264,500,000 257,700,000 264,700,000
Effect of stock options and other dilutive securities (in shares) 2,600,000 2,200,000 2,700,000 2,300,000
Diluted weighted-average number of common shares outstanding 259,900,000 266,700,000 260,400,000 267,000,000
Earnings per share attributable to S&P Global Inc. common shareholders:        
Basic (in dollars per share) $ 1.63 $ 1.45 $ 3.18 $ 2.56
Diluted (in dollars per share) $ 1.62 $ 1.44 $ 3.15 $ 2.54
Employee stock option        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Outstanding shares not included in the computation of diluted earnings per share 0 0 0 0
Restricted performance shares        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Outstanding shares not included in the computation of diluted earnings per share     900,000 1,200,000