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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2024
Earnings Per Share [Abstract]  
Schedule of Calculation for Basic and Diluted Earnings per Share
The calculation of basic and diluted EPS for the three months ended March 31 is as follows:
(in millions, except per share amounts)20242023
Amounts attributable to S&P Global Inc. common shareholders:
Net income$991 $795 
Basic weighted-average number of common shares outstanding
313.6 321.3 
Effect of stock options and other dilutive securities0.4 0.8 
Diluted weighted-average number of common shares outstanding
314.0 322.1 
Earnings per share attributable to S&P Global Inc. common shareholders:
Net income:
Basic$3.16 $2.47 
Diluted$3.16 $2.47