Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of Calculation for Basic and Diluted Earnings per Share

The calculation for basic and diluted EPS is as follows:

(in millions, except per share data)	Year Ended December 31,
	2021		2020		2019
Amount attributable to S&P Global Inc. common shareholders:
Net income	$	3,024	$	2,339	$	2,123
Basic weighted-average number of common shares outstanding	240.8		241.0		245.4
Effect of stock options and other dilutive securities	1.0		1.1		1.5
Diluted weighted-average number of common shares outstanding	241.8		242.1		246.9
Earnings per share attributable to S&P Global Inc. common shareholders:
Net income:
Basic	$	12.56	$	9.71	$	8.65
Diluted	$	12.51	$	9.66	$	8.60