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Investments - Additional Information (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Mar. 31, 2022
Mar. 31, 2022
Mar. 31, 2021
Segment Reporting Information [Line Items]      
Gain (loss) from investments   $ 710.2 $ 1,786.1
T&D | Carlyle FRL      
Segment Reporting Information [Line Items]      
Investment Company, Committed Capital $ 100.0    
Performance Fee Revenue | Customer concentration risk      
Segment Reporting Information [Line Items]      
Percentage of performance fees related to certain Corporate Private Equity funds (percent)   49.00% 53.00%
Gain (loss) from investments   $ 350.4 $ 940.9
Performance Fee Revenue | Customer concentration risk | Carlyle Realty Partners VIII, L.P.      
Segment Reporting Information [Line Items]      
Gain (loss) from investments   148.0  
Performance Fee Revenue | Customer concentration risk | Carlyle Partners VI, L.P.      
Segment Reporting Information [Line Items]      
Gain (loss) from investments   122.6 576.4
Performance Fee Revenue | Customer concentration risk | Carlyle International Energy Partners I      
Segment Reporting Information [Line Items]      
Gain (loss) from investments   82.9  
Performance Fee Revenue | Customer concentration risk | Carlyle Europe Partners IV, L.P.      
Segment Reporting Information [Line Items]      
Gain (loss) from investments   $ 80.3 $ 424.4