Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2019

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
	2019		2018		2019		2018
Amounts attributable to S&P Global Inc. common shareholders:
Net income	$	617	$	495	$	1,582	$	1,447
Basic weighted-average number of common shares outstanding	245.0		251.3		245.9		251.6
Effect of stock options and other dilutive securities	1.5		2.2		1.5		2.1
Diluted weighted-average number of common shares outstanding	246.5		253.5		247.4		253.7
Earnings per share attributable to S&P Global Inc. common shareholders:
Net income:
Basic	$	2.52	$	1.97	$	6.43	$	5.75
Diluted	$	2.50	$	1.95	$	6.40	$	5.70