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Earnings Per Share - Computation of Basic and Diluted Net EPS (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Earnings Per Share [Abstract]    
Net earnings attributable to controlling interests $ 704.4 $ 608.4
Weighted average number of common shares outstanding 254.8 217.5
Dilutive effect of stock options using the treasury stock method 4.6 4.5
Weighted average number of common and common equivalent shares outstanding 259.4 222.0
Basic net earnings per share $ 2.76 $ 2.8
Diluted net earnings per share $ 2.72 $ 2.74