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Investments in Unconsolidated Subsidiaries - Schedule of Condensed Financial Information of Equity Method Investments (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Schedule of Equity Method Investments [Line Items]    
Revenue $ 7,332,933 $ 5,938,879
Operating income 376,952 269,084
Net income 396,271 268,977
Equity Method Investment, Nonconsolidated Investee or Group of Investees    
Schedule of Equity Method Investments [Line Items]    
Revenue 581,115 555,856
Operating income 273,693 275,462
Net income $ 1,452,847 $ 368,217