Investments - Schedule of Investments (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Investments [Abstract]
Accrued performance allocations	$ 7,053.5	$ 6,169.9
Principal equity method investments, excluding performance allocations	3,292.3	3,024.1
Principal investments in CLOs	378.9	532.6
Other investments	212.0	228.7
Total	$ 10,936.7	$ 9,955.3

Sum of the carrying amounts as of the balance sheet date of all investments.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 55
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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