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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, 2022 | Dec. 31, 2021
Business Combinations [Abstract] |  |
Total revenues | $ 8,710.2 | $ 8,445.8
Net earnings attributable to controlling interests | $ 1,114.8 | $ 907.1
Basic net earnings per share | $ 5.29 | $ 4.46
Diluted net earnings per share | $ 5.18 | $ 4.36

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