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Investments - Additional Information (Details) - Performance Fee Revenue - Customer concentration risk - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Segment Reporting Information [Line Items]    
Percentage of performance fees related to certain Corporate Private Equity funds (percent) (5.00%) 49.00%
Performance fees $ (7.6) $ 350.4
Carlyle Partners VII, L.P    
Segment Reporting Information [Line Items]    
Performance fees 68.8 122.6
Carlyle Realty Partners VIII, L.P.    
Segment Reporting Information [Line Items]    
Performance fees   148.0
Carlyle Europe Partners V, L.P.    
Segment Reporting Information [Line Items]    
Performance fees 61.0  
Carlyle US Equity Opportunities Fund II, L.P.    
Segment Reporting Information [Line Items]    
Performance fees 43.4  
Carlyle Credit Opportunities Fund II, L.P.    
Segment Reporting Information [Line Items]    
Performance fees 27.8  
AlpInvest ASF VII    
Segment Reporting Information [Line Items]    
Performance fees 19.0  
Carlyle Asia Partners V, L.P    
Segment Reporting Information [Line Items]    
Performance fees (11.1)  
Carlyle International Energy Partners I    
Segment Reporting Information [Line Items]    
Performance fees (23.0) 82.9
Carlyle Partners VI, L.P.    
Segment Reporting Information [Line Items]    
Performance fees $ (74.4)  
Carlyle Europe Partners IV, L.P.    
Segment Reporting Information [Line Items]    
Performance fees   $ 80.3