Segment Reporting - Reconciliation of Income Before Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Income (loss) before provision for income taxes	$ 171.0	$ 120.7
Adjustments:
Unrealized principal investment (income) loss	(159.8)	83.9
Net income attributable to non-controlling interests in consolidated entities	28.6	33.2
(=) Distributable Earnings	171.0	120.7
Total Reportable Segments
Adjustments:
Net unrealized performance and fee related performance revenues	90.0	193.2
(=) Distributable Earnings	455.4	431.3
Fee Related Earnings	310.6	266.3
Total Reportable Segments \| Global Segments
Adjustments:
(=) Distributable Earnings	455.4	431.3
Realized performance revenues, net of related compensation		142.0
Realized principal investment income (loss)	30.0	33.7
Net interest	12.6	10.7
Fee Related Earnings	310.6	266.3
Total Reportable Segments \| Global Private Equity
Adjustments:
(=) Distributable Earnings	265.6	313.1
Realized performance revenues, net of related compensation	116.7	139.5
Realized principal investment income (loss)	15.1	18.9
Net interest	7.4	6.4
Fee Related Earnings	141.2	161.1
Total Reportable Segments \| Global Credit
Adjustments:
(=) Distributable Earnings	110.5	82.1
Realized performance revenues, net of related compensation	5.4	0.3
Realized principal investment income (loss)	5.5	13.8
Net interest	4.3	3.2
Fee Related Earnings	103.9	71.2
Total Reportable Segments \| Carlyle AlpInvest
Adjustments:
(=) Distributable Earnings	79.3	36.1
Realized performance revenues, net of related compensation	5.3	2.2
Realized principal investment income (loss)	9.4	1.0
Net interest	0.9	1.1
Fee Related Earnings	65.5	34.0
Reconciling Items
Adjustments:
Equity-based compensation	104.7	111.0
Acquisition or disposition-related charges, including amortization of intangibles and impairment	122.2	32.8
Tax (expense) benefit associated with certain foreign performance revenues	0.0	(1.0)
Net income attributable to non-controlling interests in consolidated entities	(28.6)	(33.2)
Other adjustments	13.1	12.2
(=) Distributable Earnings	(293.1)	(329.0)
Unrealized principal investment income (loss) \| Reconciling Items
Adjustments:
Unrealized principal investment (income) loss	$ (17.0)	$ (4.4)

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