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Business Combinations - Summary of Unaudited Pro Forma Historical Results (Detail) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Business Combinations [Abstract] |  |
Total revenues | $ 10,579.8 | $ 9,390.7
Net earnings attributable to controlling interests | $ 954.4 | $ 1,091.5
Basic net earnings per share | $ 4.42 | $ 5.15
Diluted net earnings per share | $ 4.33 | $ 5.05

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