Supplemental Financial Information - Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Cash flows from operating activities
Net income	$ 149.3	$ (62.7)	$ 248.1	$ 62.6
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization			90.8	88.1
Equity-based compensation	125.2	68.0	233.5	122.4
Non-cash performance allocations and incentive fees, net			146.2	298.7
Non-cash principal investment income			(145.6)	2.7
Other non-cash amounts			(1.5)	19.9
Purchases of investments			(180.1)	(126.5)
Proceeds from the sale of investments			185.1	137.2
Payments of contingent consideration			(1.5)	(68.6)
Changes in deferred taxes, net			(42.5)	(91.6)
Change in due from affiliates and other receivables			(21.2)	(4.4)
Change in deposits and other			(7.8)	(49.0)
Change in accounts payable, accrued expenses and other liabilities			37.1	(39.7)
Change in accrued compensation and benefits			(277.4)	(201.6)
Change in due to affiliates			(2.1)	(8.4)
Change in lease right-of-use asset and lease liability			(4.0)	(5.0)
Change in deferred revenue			(9.8)	5.0
Net cash used in operating activities			(1,198.6)	(849.0)
Cash flows from investing activities
Purchases of corporate treasury investments			(5.0)	(145.2)
Proceeds from corporate treasury investments			0.0	122.4
Purchases of fixed assets, net			(31.9)	(32.5)
Net cash used in investing activities			(36.9)	(55.3)
Cash flows from financing activities
Borrowings under credit facilities			10.4	0.0
Repayments under credit facilities			(10.4)	0.0
Payments on CLO borrowings			(36.0)	(4.5)
Dividends to common stockholders			(252.3)	(245.1)
Payment of deferred consideration for Carlyle Holdings units			(68.8)	(68.8)
Contributions from non-controlling interest holders			120.4	55.5
Distributions to non-controlling interest holders			(45.6)	(34.1)
Common shares repurchased and net share settlement of equity awards			(328.3)	(160.8)
Change in due to/from affiliates financing activities			(0.7)	(10.3)
Net cash provided by financing activities			717.2	408.0
Effect of foreign exchange rate changes			(6.7)	10.5
Decrease in cash, cash equivalents and restricted cash			(525.0)	(485.8)
Cash, cash equivalents and restricted cash, beginning of period			1,442.1	1,361.5
Cash, cash equivalents and restricted cash, end of period	917.1	875.7	917.1	875.7
Reconciliation of cash, cash equivalents and restricted cash, end of period:
Cash and cash equivalents	914.8	870.3	914.8	870.3	$ 1,440.3
Restricted cash	2.3	5.4	2.3	5.4	1.8
Total cash, cash equivalents and restricted cash, end of period	917.1	875.7	917.1	875.7	1,442.1
Cash and cash equivalents held at Consolidated Funds	1,047.5	536.4	1,047.5	536.4	346.0
Consolidated Operating Entities
Cash flows from operating activities
Net income			239.7	14.3
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization			90.8	88.1
Equity-based compensation			233.5	122.4
Non-cash performance allocations and incentive fees, net			145.8	295.7
Non-cash principal investment income			(144.5)	(0.2)
Other non-cash amounts			(1.5)	19.9
Purchases of investments			(383.0)	(144.3)
Proceeds from the sale of investments			271.1	141.6
Payments of contingent consideration			(1.5)	(68.6)
Changes in deferred taxes, net			(42.5)	(91.6)
Change in due from affiliates and other receivables			(19.7)	(4.4)
Change in deposits and other			(7.8)	(49.0)
Change in accounts payable, accrued expenses and other liabilities			37.1	(39.7)
Change in accrued compensation and benefits			(277.4)	(201.6)
Change in due to affiliates			(2.1)	(8.4)
Change in lease right-of-use asset and lease liability			(4.0)	(5.0)
Change in deferred revenue			(9.8)	5.0
Net cash used in operating activities			124.2	74.2
Cash flows from investing activities
Purchases of corporate treasury investments			(5.0)	(145.2)
Proceeds from corporate treasury investments			0.0	122.4
Purchases of fixed assets, net			(31.9)	(32.5)
Net cash used in investing activities			(36.9)	(55.3)
Cash flows from financing activities
Borrowings under credit facilities			10.4	0.0
Repayments under credit facilities			(10.4)	0.0
Payments on CLO borrowings			(36.0)	(4.5)
Dividends to common stockholders			(252.3)	(245.1)
Payment of deferred consideration for Carlyle Holdings units			(68.8)	(68.8)
Contributions from non-controlling interest holders			116.4	5.2
Distributions to non-controlling interest holders			(45.6)	(25.8)
Common shares repurchased and net share settlement of equity awards			(328.3)	(160.8)
Change in due to/from affiliates financing activities			7.3	(13.2)
Net cash provided by financing activities			(607.3)	(513.0)
Effect of foreign exchange rate changes			(5.0)	8.3
Decrease in cash, cash equivalents and restricted cash			(525.0)	(485.8)
Cash, cash equivalents and restricted cash, beginning of period			1,442.1	1,361.5
Cash, cash equivalents and restricted cash, end of period	917.1	875.7	917.1	875.7
Reconciliation of cash, cash equivalents and restricted cash, end of period:
Cash and cash equivalents	914.8	870.3	914.8	870.3
Restricted cash	2.3	5.4	2.3	5.4
Total cash, cash equivalents and restricted cash, end of period	917.1	875.7	917.1	875.7	$ 1,442.1
Cash and cash equivalents held at Consolidated Funds	$ 1,047.5	$ 536.4	$ 1,047.5	$ 536.4