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NON-TRADED INVESTMENTS (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Variable Interest Entity [Line Items]      
Other accruals $ 925.4 $ 1,005.8 $ 968.4
Other long-term liabilities 1,450.9 1,420.8 1,367.3
VIEs      
Variable Interest Entity [Line Items]      
Other assets 420.2 355.8 212.7
Other accruals 49.7 61.8 49.3
Other long-term liabilities $ 357.4 $ 289.7 $ 139.8