Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 547.4	$ 332.7	$ 2,384.8	$ (171.8)
Other comprehensive income (loss)
Foreign currency translation adjustments	(18.0)	27.0	(41.2)	16.3
Unrealized losses on Fortitude Re available-for-sale securities	0.0	0.0	0.0	(20.0)
Defined benefit plans
Unrealized gain (loss) for the period	0.4	(0.4)	2.3	(2.2)
Less: reclassification adjustment for gain during the period, included in cash-based compensation and benefits expense	0.5	0.4	1.6	1.3
Other comprehensive income (loss)	(17.1)	27.0	(37.3)	(4.6)
Comprehensive income (loss)	530.3	359.7	2,347.5	(176.4)
Comprehensive income (loss) attributable to non-controlling interests in consolidated entities	9.4	42.4	51.9	(8.8)
Comprehensive income (loss) attributable to The Carlyle Group Inc.	$ 520.9	$ 317.3	$ 2,295.6	$ (167.6)