Supplemental Financial Information - Results of Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues
Investment income (loss)	$ 44.8	$ 1,898.0	$ 6,721.9
Interest and other income	212.1	135.9	90.7
Interest and other income of Consolidated Funds	570.1	311.0	253.2
Total revenues	2,963.9	4,438.7	8,782.1
Compensation and benefits
Cash-based compensation and benefits	1,023.7	1,052.0	908.0
Equity-based compensation	249.1	154.0	163.1
Performance allocations and incentive fee related compensation	1,103.7	719.9	2,961.0
Total compensation and benefits	2,376.5	1,925.9	4,032.1
General, administrative and other expenses	652.1	575.8	431.7
Interest	123.8	110.4	113.3
Interest and other expenses of Consolidated Funds	419.1	211.6	178.5
Other non-operating expenses	0.2	1.0	1.5
Total expenses	3,571.7	2,824.7	4,757.1
Other income (loss)
Net investment income (loss) of Consolidated Funds	6.9	(41.5)	2.5
Income (loss) before provision for income taxes	(600.9)	1,572.5	4,027.5
Provision (benefit) for income taxes	(104.2)	287.8	982.3
Net income (loss)	(496.7)	1,284.7	3,045.2
Net income attributable to non-controlling interests in consolidated entities	111.7	59.7	70.5
Net income (loss) attributable to The Carlyle Group Inc.	(608.4)	1,225.0	2,974.7
Consolidated Operating Entities
Compensation and benefits
Equity-based compensation	249.1	154.0	163.1
Other income (loss)
Net income (loss)	(579.3)	1,248.6	3,042.5
Consolidated Entities | Consolidated Operating Entities
Revenues
Investment income (loss)	75.2	1,875.3	6,750.6
Interest and other income	222.7	154.1	112.7
Interest and other income of Consolidated Funds	0.0	0.0	0.0
Total revenues	2,468.4	4,149.9	8,603.6
Compensation and benefits
Cash-based compensation and benefits	1,023.7	1,052.0	908.0
Equity-based compensation	249.1	154.0	163.1
Performance allocations and incentive fee related compensation	1,103.7	719.9	2,961.0
Total compensation and benefits	2,376.5	1,925.9	4,032.1
General, administrative and other expenses	651.4	576.2	431.9
Interest	123.8	110.4	113.3
Interest and other expenses of Consolidated Funds	0.0	0.0	0.0
Other non-operating expenses	0.2	1.0	1.5
Total expenses	3,151.9	2,613.5	4,578.8
Other income (loss)
Net investment income (loss) of Consolidated Funds	0.0	0.0	0.0
Income (loss) before provision for income taxes	(683.5)	1,536.4	4,024.8
Provision (benefit) for income taxes	(104.2)	287.8	982.3
Net income (loss)	(579.3)	1,248.6	3,042.5
Net income attributable to non-controlling interests in consolidated entities	29.1	23.6	67.8
Net income (loss) attributable to The Carlyle Group Inc.	(608.4)	1,225.0	2,974.7
Consolidated Entities | Consolidated Funds
Revenues
Investment income (loss)	0.0	0.0	0.0
Interest and other income	0.0	0.0	0.0
Interest and other income of Consolidated Funds	570.1	311.0	253.2
Total revenues	570.1	311.0	253.2
Compensation and benefits
Cash-based compensation and benefits	0.0	0.0	0.0
Equity-based compensation	0.0	0.0	0.0
Performance allocations and incentive fee related compensation	0.0	0.0	0.0
Total compensation and benefits	0.0	0.0	0.0
General, administrative and other expenses	0.0	0.0	0.0
Interest	0.0	0.0	0.0
Interest and other expenses of Consolidated Funds	460.3	255.3	217.8
Other non-operating expenses	0.0	0.0	0.0
Total expenses	460.3	255.3	217.8
Other income (loss)
Net investment income (loss) of Consolidated Funds	6.9	(41.5)	2.5
Income (loss) before provision for income taxes	116.7	14.2	37.9
Provision (benefit) for income taxes	0.0	0.0	0.0
Net income (loss)	116.7	14.2	37.9
Net income attributable to non-controlling interests in consolidated entities	0.0	0.0	0.0
Net income (loss) attributable to The Carlyle Group Inc.	116.7	14.2	37.9
Eliminations
Revenues
Investment income (loss)	(30.4)	22.7	(28.7)
Interest and other income	(10.6)	(18.2)	(22.0)
Interest and other income of Consolidated Funds	0.0	0.0	0.0
Total revenues	(74.6)	(22.2)	(74.7)
Compensation and benefits
Cash-based compensation and benefits	0.0	0.0	0.0
Equity-based compensation	0.0	0.0	0.0
Performance allocations and incentive fee related compensation	0.0	0.0	0.0
Total compensation and benefits	0.0	0.0	0.0
General, administrative and other expenses	0.7	(0.4)	(0.2)
Interest	0.0	0.0	0.0
Interest and other expenses of Consolidated Funds	(41.2)	(43.7)	(39.3)
Other non-operating expenses	0.0	0.0	0.0
Total expenses	(40.5)	(44.1)	(39.5)
Other income (loss)
Net investment income (loss) of Consolidated Funds	0.0	0.0	0.0
Income (loss) before provision for income taxes	(34.1)	21.9	(35.2)
Provision (benefit) for income taxes	0.0	0.0	0.0
Net income (loss)	(34.1)	21.9	(35.2)
Net income attributable to non-controlling interests in consolidated entities	82.6	36.1	2.7
Net income (loss) attributable to The Carlyle Group Inc.	(116.7)	(14.2)	(37.9)
Fund management fees
Revenues
Fund management fees and incentive fees	2,043.2	2,030.1	1,667.5
Fund management fees | Consolidated Entities | Consolidated Operating Entities
Revenues
Fund management fees and incentive fees	2,074.3	2,056.7	1,691.5
Fund management fees | Consolidated Entities | Consolidated Funds
Revenues
Fund management fees and incentive fees	0.0	0.0	0.0
Fund management fees | Eliminations
Revenues
Fund management fees and incentive fees	(31.1)	(26.6)	(24.0)
Incentive fees
Revenues
Fund management fees and incentive fees	93.7	63.7	48.8
Incentive fees | Consolidated Entities | Consolidated Operating Entities
Revenues
Fund management fees and incentive fees	96.2	63.8	48.8
Incentive fees | Consolidated Entities | Consolidated Funds
Revenues
Fund management fees and incentive fees	0.0	0.0	0.0
Incentive fees | Eliminations
Revenues
Fund management fees and incentive fees	(2.5)	(0.1)	0.0
Performance allocations
Revenues
Investment income (loss)	(88.6)	1,327.5	6,084.6
Compensation and benefits
Performance allocations and incentive fee related compensation	1,103.7	719.9	2,961.0
Performance allocations | Consolidated Entities | Consolidated Operating Entities
Revenues
Investment income (loss)	(85.0)	1,332.8	6,084.6
Performance allocations | Consolidated Entities | Consolidated Funds
Revenues
Investment income (loss)	0.0	0.0	0.0
Performance allocations | Eliminations
Revenues
Investment income (loss)	(3.6)	(5.3)	0.0
Principal investment income
Revenues
Investment income (loss)	133.4	570.5	637.3
Principal investment income | Consolidated Entities | Consolidated Operating Entities
Revenues
Investment income (loss)	160.2	542.5	666.0
Principal investment income | Consolidated Entities | Consolidated Funds
Revenues
Investment income (loss)	0.0	0.0	0.0
Principal investment income | Eliminations
Revenues
Investment income (loss)	$ (26.8)	$ 28.0	$ (28.7)