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Investments - Additional Information, Accrued Performance Fees (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
financingVehicle
Mar. 31, 2022
Sep. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
financingVehicle
Sep. 30, 2021
USD ($)
Dec. 31, 2021
fund
Concentration Risk [Line Items]            
Number of partnerships corporate private equity funds related to accrued performance fees 2     2   1
Total $ 298.1   $ 974.5 $ 1,346.2 $ 4,841.3  
Carlyle Partners VI, L.P. | Accrued performance allocations | Customer concentration risk            
Concentration Risk [Line Items]            
Percentage of accrued performance fees related to certain Corporate Private Equity funds (percent)   25.00%   24.00%