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Net Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2024
Earnings Per Share [Abstract]  
Summary of net earnings per share
Net earnings per share were computed as follows:
 Three months ended 
 March 31,
 20242023
 (in millions, except per share amounts)
Net earnings attributable to common stockholders$194 $560 
Basic earnings per common share:  
Weighted-average common shares outstanding187.6 196.2 
Net earnings attributable to common stockholders$1.03 $2.86 
Diluted earnings per common share:  
Weighted-average common shares outstanding187.6 196.2 
Dilutive common shares—stock-based awards0.5 0.7 
Diluted weighted-average common shares outstanding188.1 196.9 
Net earnings attributable to common stockholders$1.03 $2.85