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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2024
Earnings Per Share [Abstract]  
Schedule of Weighted Average Shares Outstanding Used to Compute Earnings Per Common Share
The weighted average number of shares outstanding used to compute earnings per common share were as follows (in millions):
202420232022
Weighted average common shares outstanding for basic computations238.3 250.3 263.7 
Weighted average dilutive effect of equity awards0.9 0.9 0.9 
Weighted average common shares outstanding for diluted computations239.2 251.2 264.6