Supplemental Financial Information - Results of Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Condensed Income Statements, Captions [Line Items]
Total investment loss	$ 286.3	$ (254.0)	$ 202.4	$ (81.5)
Interest and other income	52.1	50.2	109.7	94.2
Interest and other income of Consolidated Funds	165.6	137.1	330.5	259.0
Total revenues	1,069.7	462.1	1,758.1	1,321.1
Compensation and benefits
Cash-based compensation and benefits	206.3	270.6	428.2	530.8
Equity-based compensation	125.2	68.0	233.5	122.4
Performance allocations and incentive fee related compensation	144.2	(92.2)	71.4	13.5
Total compensation and benefits	475.7	246.4	733.1	666.7
General, administrative and other expenses	187.9	168.5	335.6	327.7
Interest	30.4	30.7	61.2	60.4
Interest and other expenses of Consolidated Funds	152.1	102.1	276.7	195.8
Other non-operating expenses	(0.3)	0.0	(0.1)	0.1
Total expenses	845.8	547.7	1,406.5	1,250.7
Other income (loss)
Net investment income (loss) of Consolidated Funds	(5.1)	15.6	(12.1)	19.2
Income (loss) before provision (benefit) for income taxes	218.8	(70.0)	339.5	89.6
Provision (benefit) for income taxes	69.5	(7.3)	91.4	27.0
Net income (loss)	149.3	(62.7)	248.1	62.6
Net income attributable to non-controlling interests in consolidated entities	1.1	35.7	34.3	60.3
Net income (loss) attributable to The Carlyle Group Inc.	148.2	(98.4)	213.8	2.3
Consolidated Operating Entities
Compensation and benefits
Equity-based compensation			233.5	122.4
Other income (loss)
Net income (loss)			239.7	14.3
Consolidated Entities and Consolidated Funds | Consolidated Operating Entities
Condensed Income Statements, Captions [Line Items]
Total investment loss	288.1	(246.0)	211.9	(69.0)
Interest and other income	56.3	53.6	120.2	100.2
Interest and other income of Consolidated Funds	0.0	0.0	0.0	0.0
Total revenues	916.8	343.6	1,460.9	1,095.5
Compensation and benefits
Cash-based compensation and benefits	206.3	270.6	428.2	530.8
Equity-based compensation	125.2	68.0	233.5	122.4
Performance allocations and incentive fee related compensation	144.2	(92.2)	71.4	13.5
Total compensation and benefits	475.7	246.4	733.1	666.7
General, administrative and other expenses	187.9	167.6	335.6	327.0
Interest	30.4	30.7	61.2	60.4
Interest and other expenses of Consolidated Funds	0.0	0.0	0.0	0.0
Other non-operating expenses	(0.3)		(0.1)	0.1
Total expenses	693.7	444.7	1,129.8	1,054.2
Other income (loss)
Net investment income (loss) of Consolidated Funds	0.0	0.0	0.0	0.0
Income (loss) before provision (benefit) for income taxes	223.1	(101.1)	331.1	41.3
Provision (benefit) for income taxes	69.5	(7.3)	91.4	27.0
Net income (loss)	153.6	(93.8)	239.7	14.3
Net income attributable to non-controlling interests in consolidated entities	5.4	4.6	25.9	12.0
Net income (loss) attributable to The Carlyle Group Inc.	148.2	(98.4)	213.8	2.3
Consolidated Entities and Consolidated Funds | Consolidated Funds
Condensed Income Statements, Captions [Line Items]
Total investment loss	0.0	0.0	0.0	0.0
Interest and other income	0.0	0.0	0.0	0.0
Interest and other income of Consolidated Funds	165.6	137.1	330.5	259.0
Total revenues	165.6	137.1	330.5	259.0
Compensation and benefits
Cash-based compensation and benefits	0.0	0.0	0.0	0.0
Equity-based compensation	0.0	0.0	0.0	0.0
Performance allocations and incentive fee related compensation	0.0	0.0	0.0	0.0
Total compensation and benefits	0.0	0.0	0.0	0.0
General, administrative and other expenses	0.0	0.0	0.0	0.0
Interest	0.0	0.0	0.0	0.0
Interest and other expenses of Consolidated Funds	164.5	116.3	304.0	213.5
Other non-operating expenses	0.0		0.0	0.0
Total expenses	164.5	116.3	304.0	213.5
Other income (loss)
Net investment income (loss) of Consolidated Funds	(5.1)	15.6	(12.1)	19.2
Income (loss) before provision (benefit) for income taxes	(4.0)	36.4	14.4	64.7
Provision (benefit) for income taxes	0.0	0.0	0.0	0.0
Net income (loss)	(4.0)	36.4	14.4	64.7
Net income attributable to non-controlling interests in consolidated entities	0.0	0.0	0.0	0.0
Net income (loss) attributable to The Carlyle Group Inc.	(4.0)	36.4	14.4	64.7
Eliminations
Condensed Income Statements, Captions [Line Items]
Total investment loss	(1.8)	(8.0)	(9.5)	(12.5)
Interest and other income	(4.2)	(3.4)	(10.5)	(6.0)
Interest and other income of Consolidated Funds	0.0	0.0	0.0	0.0
Total revenues	(12.7)	(18.6)	(33.3)	(33.4)
Compensation and benefits
Cash-based compensation and benefits	0.0	0.0	0.0	0.0
Equity-based compensation	0.0	0.0	0.0	0.0
Performance allocations and incentive fee related compensation	0.0	0.0	0.0	0.0
Total compensation and benefits	0.0	0.0	0.0	0.0
General, administrative and other expenses	0.0	0.9	0.0	0.7
Interest	0.0	0.0	0.0	0.0
Interest and other expenses of Consolidated Funds	(12.4)	(14.2)	(27.3)	(17.7)
Other non-operating expenses	0.0		0.0	0.0
Total expenses	(12.4)	(13.3)	(27.3)	(17.0)
Other income (loss)
Net investment income (loss) of Consolidated Funds	0.0	0.0	0.0	0.0
Income (loss) before provision (benefit) for income taxes	(0.3)	(5.3)	(6.0)	(16.4)
Provision (benefit) for income taxes	0.0	0.0	0.0	0.0
Net income (loss)	(0.3)	(5.3)	(6.0)	(16.4)
Net income attributable to non-controlling interests in consolidated entities	(4.3)	31.1	8.4	48.3
Net income (loss) attributable to The Carlyle Group Inc.	4.0	(36.4)	(14.4)	(64.7)
Fund management fees
Condensed Income Statements, Captions [Line Items]
Fund management fees and incentive fees	534.4	507.8	1,058.0	1,008.6
Fund management fees | Consolidated Entities and Consolidated Funds | Consolidated Operating Entities
Condensed Income Statements, Captions [Line Items]
Fund management fees and incentive fees	540.8	515.1	1,071.0	1,023.5
Fund management fees | Consolidated Entities and Consolidated Funds | Consolidated Funds
Condensed Income Statements, Captions [Line Items]
Fund management fees and incentive fees	0.0	0.0	0.0	0.0
Fund management fees | Eliminations
Condensed Income Statements, Captions [Line Items]
Fund management fees and incentive fees	(6.4)	(7.3)	(13.0)	(14.9)
Incentive fees
Condensed Income Statements, Captions [Line Items]
Fund management fees and incentive fees	31.3	21.0	57.5	40.8
Incentive fees | Consolidated Entities and Consolidated Funds | Consolidated Operating Entities
Condensed Income Statements, Captions [Line Items]
Fund management fees and incentive fees	31.6	20.9	57.8	40.8
Incentive fees | Consolidated Entities and Consolidated Funds | Consolidated Funds
Condensed Income Statements, Captions [Line Items]
Fund management fees and incentive fees	0.0	0.0	0.0	0.0
Incentive fees | Eliminations
Condensed Income Statements, Captions [Line Items]
Fund management fees and incentive fees	(0.3)	0.1	(0.3)	0.0
Performance revenues
Condensed Income Statements, Captions [Line Items]
Total investment loss	198.2	(246.8)	41.2	(86.0)
Performance revenues | Consolidated Entities and Consolidated Funds | Consolidated Operating Entities
Condensed Income Statements, Captions [Line Items]
Total investment loss	197.3	(245.4)	41.5	(83.1)
Performance revenues | Consolidated Entities and Consolidated Funds | Consolidated Funds
Condensed Income Statements, Captions [Line Items]
Total investment loss	0.0	0.0	0.0	0.0
Performance revenues | Eliminations
Condensed Income Statements, Captions [Line Items]
Total investment loss	0.9	(1.4)	(0.3)	(2.9)
Principal investment income
Condensed Income Statements, Captions [Line Items]
Total investment loss	88.1	(7.2)	161.2	4.5
Principal investment income | Consolidated Entities and Consolidated Funds | Consolidated Operating Entities
Condensed Income Statements, Captions [Line Items]
Total investment loss	90.8	(0.6)	170.4	14.1
Principal investment income | Consolidated Entities and Consolidated Funds | Consolidated Funds
Condensed Income Statements, Captions [Line Items]
Total investment loss	0.0	0.0	0.0	0.0
Principal investment income | Eliminations
Condensed Income Statements, Captions [Line Items]
Total investment loss	$ (2.7)	$ (6.6)	$ (9.2)	$ (9.6)