Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2020

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
	2020		2019		2020		2019
Amounts attributable to S&P Global Inc. common shareholders:
Net income	$	455	$	617	$	1,885	$	1,582
Basic weighted-average number of common shares outstanding	240.6		245.0		241.2		245.9
Effect of stock options and other dilutive securities	1.0		1.5		1.1		1.5
Diluted weighted-average number of common shares outstanding	241.6		246.5		242.3		247.4
Earnings per share attributable to S&P Global Inc. common shareholders:
Net income:
Basic	$	1.89	$	2.52	$	7.82	$	6.43
Diluted	$	1.88	$	2.50	$	7.78	$	6.40