Non-controlling Interests in Consolidated Entities - Non-Controlling Interests in Income (Loss) of Consolidated Entities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Noncontrolling Interest [Line Items]
Non-controlling interests in income (loss) of consolidated entities	$ 14.6	$ 37.2	$ 57.7	$ (1.2)
Non-Carlyle interests in Consolidated Funds
Noncontrolling Interest [Line Items]
Net income (loss) attributable to other non-controlling interests in consolidated entities	0.7	2.8	0.9	6.2
Non-Carlyle interests in majority-owned subsidiaries
Noncontrolling Interest [Line Items]
Net income (loss) attributable to other non-controlling interests in consolidated entities	13.2	34.5	46.6	(7.2)
Non-controlling interest in carried interest, giveback obligations and cash held for carried interest distributions
Noncontrolling Interest [Line Items]
Net income (loss) attributable to other non-controlling interests in consolidated entities	$ 0.7	$ (0.1)	$ 10.2	$ (0.2)