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Supplemental Disclosures of Cash Flow Information - Cash Equivalents and Restricted Cash (Detail) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Cash and Cash Equivalents [Abstract]      
Cash and cash equivalents $ 553.7 $ 402.6 $ 2,735.1
Restricted cash 4,723.1 $ 4,063.7 3,277.2
Total cash, cash equivalents and restricted cash $ 5,276.8   $ 6,012.3