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Equity Method Investments in Affiliates - Financial Information for Affiliates Accounted for Under the Equity Method (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]      
Net income $ 740.6 $ 906.1 $ 1,388.1
Assets 8,830.9 9,059.6  
Equity Method Investee      
Schedule of Equity Method Investments [Line Items]      
Revenues 3,212.0 3,115.6 3,239.5
Net income 1,506.4 1,313.0 $ 1,358.7
Assets 3,348.2 3,269.1  
Liabilities and Non-controlling interests $ 1,262.9 $ 1,467.3