Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Schedule of Calculation for Basic and Diluted Earnings Per Share

The calculation of basic and diluted EPS for the periods ended September 30 is as follows:

(in millions, except per share amounts)	Three Months				Nine Months
	2018		2017		2018		2017
Amounts attributable to S&P Global Inc. common shareholders:
Net income	$	495	$	414	$	1,447	$	1,234
Basic weighted-average number of common shares outstanding	251.3		255.5		251.6		257.0
Effect of stock options and other dilutive securities	2.2		2.4		2.1		2.5
Diluted weighted-average number of common shares outstanding	253.5		257.9		253.7		259.5
Earnings per share attributable to S&P Global Inc. common shareholders:
Net income:
Basic	$	1.97	$	1.62	$	5.75	$	4.80
Diluted	$	1.95	$	1.61	$	5.70	$	4.75