Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2022

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,
	2022		2021		2020
Amount attributable to S&P Global Inc. common shareholders:
Net income	$	3,248	$	3,024	$	2,339
Basic weighted-average number of common shares outstanding	316.9		240.8		241.0
Effect of stock options and other dilutive securities	1.6		1.0		1.1
Diluted weighted-average number of common shares outstanding	318.5		241.8		242.1
Earnings per share attributable to S&P Global Inc. common shareholders:
Net income:
Basic	$	10.25	$	12.56	$	9.71
Diluted	$	10.20	$	12.51	$	9.66