Investments - Investment Income (Loss) Narrative (Details) - Performance revenues - Customer Concentration Risk - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Percentage of performance fees related to certain corporate private equity funds (percent)	19.00%	34.00%	89.00%
Performance fees	$ 245.8	$ 2,045.3	$ 1,455.3
Carlyle Realty Partners VIII, L.P
Segment Reporting Information [Line Items]
Performance fees	260.8
Carlyle Europe Partners V, L.P.
Segment Reporting Information [Line Items]
Performance fees	259.3
Carlyle Power Partners II, L.P.
Segment Reporting Information [Line Items]
Performance fees	203.3
Carlyle Europe Technology Partners IV,L.P.
Segment Reporting Information [Line Items]
Performance fees	179.8
Carlyle Partners VI, L.P.
Segment Reporting Information [Line Items]
Performance fees	$ (436.9)	1,453.1	1,251.5
Carlyle Partners VII, L.P.
Segment Reporting Information [Line Items]
Performance fees		$ 988.4
Carlyle Asia Partners IV L.P.
Segment Reporting Information [Line Items]
Performance fees			$ 374.1