Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Schedule of Calculation for Basic and Diluted Earnings Per Share

The calculation of basic and diluted EPS for the three months ended March 31 is as follows:

(in millions, except per share amounts)	2019		2018
Amounts attributable to S&P Global Inc. common shareholders:
Net income	$	410	$	491
Basic weighted-average number of common shares outstanding	246.7		252.4
Effect of stock options and other dilutive securities	1.6		2.0
Diluted weighted-average number of common shares outstanding	248.3		254.4
Earnings per share attributable to S&P Global Inc. common shareholders:
Net income:
Basic	$	1.66	$	1.94
Diluted	$	1.65	$	1.93