Consolidated Statements of Changes in Equity - USD ($) $ in Millions	Total	Abingworth	Common Stock	Common Stock Abingworth	Partners’ Capital	Additional Paid-in Capital	Additional Paid-in Capital Abingworth	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interests in Consolidated Entities	Non- controlling Interests in Carlyle Holdings
Beginning Balance (in units) at Dec. 31, 2019			117,800,000
Beginning Balance at Dec. 31, 2019					$ 703.8
Increase (Decrease) in Partners' Capital [Roll Forward]
Reclassification resulting from Conversion - Partners' Capital (in shares)			(117,800,000)
Reclassification resulting from Conversion - Partners' Capital (in shares)			117,800,000
Reclassification resulting from Conversion - Partners' Capital					(703.8)
Reclassification resulting from Conversion - Partners' Capital	$ 0.0		$ 1.2			$ 702.6
Reclassification resulting from Conversion - Non-controlling Interest in Carlyle Holdings (in shares)			229,400,000
Reclassification resulting from Conversion - Non-controlling Interest in Carlyle Holdings	0.0		$ 2.3			2,180.9			$ (165.7)		$ (2,017.5)
Shares repurchased (in shares)			(1,100,000)
Shares repurchased	(26.4)					(26.4)
Deconsolidation of a Consolidated Entity	(272.4)					(10.1)				$ (262.3)
Currency translation adjustments	49.6								46.6	3.0
Unrealized gains on Fortitude available-for-sale securities	(20.0)								(20.0)
Defined benefit plans, net	(7.2)								(7.2)
Ending Balance (in units) at Dec. 31, 2020			0
Ending Balance at Dec. 31, 2020					$ 0.0
Beginning balance (in shares) at Dec. 31, 2019			0
Beginning balance at Dec. 31, 2019	2,969.6		$ 0.0			0.0		$ 0.0	(85.2)	333.5	2,017.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares repurchased (in shares)			(1,100,000)
Shares repurchased	(26.4)					(26.4)
Tax effects resulting from Conversion	(40.1)					(62.9)			22.8
Equity-based compensation	113.4					113.4
Shares issued for equity-based awards (in shares)			7,400,000
Contributions	210.0									210.0
Distributions	(429.1)					(351.3)				(77.8)
Net income	382.8							348.2		34.6
Deconsolidation of Consolidated Entities	(272.4)					(10.1)				(262.3)
Currency translation adjustments	49.6								46.6	3.0
Unrealized gains on Fortitude available-for-sale securities	(20.0)								(20.0)
Defined benefit plans, net	(7.2)								(7.2)
Ending balance (in shares) at Dec. 31, 2020			353,500,000
Ending balance at Dec. 31, 2020	2,930.2		$ 3.5			2,546.2		348.2	(208.7)	241.0	$ 0.0
Increase (Decrease) in Partners' Capital [Roll Forward]
Shares repurchased (in shares)			(3,200,000)
Shares repurchased	(161.8)							(161.8)
Currency translation adjustments	(56.3)								(50.4)	(5.9)
Unrealized gains on Fortitude available-for-sale securities	0.0
Defined benefit plans, net	11.6								11.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares repurchased (in shares)			(3,200,000)
Shares repurchased	(161.8)							(161.8)
Equity-based compensation	166.7		$ 0.1			166.6
Shares issued for equity-based awards (in shares)			5,000,000.0
Shares issued for carry distributed in shares program (in shares)			100,000
Shares issued for performance allocations	4.8					4.8
Contributions	216.2									216.2
Distributions	(450.4)							(355.8)		(94.6)
Net income	3,045.2							2,974.7		70.5
Currency translation adjustments	(56.3)								(50.4)	(5.9)
Unrealized gains on Fortitude available-for-sale securities	0.0
Defined benefit plans, net	$ 11.6								11.6
Ending balance (in shares) at Dec. 31, 2021	355,367,876		355,400,000
Ending balance at Dec. 31, 2021	$ 5,706.2		$ 3.6			2,717.6		2,805.3	(247.5)	427.2
Increase (Decrease) in Partners' Capital [Roll Forward]
Shares repurchased (in shares)			(5,000,000)
Shares repurchased	(185.6)							(185.6)
Deconsolidation of a Consolidated Entity	(47.6)									(47.6)
Currency translation adjustments	(107.8)								(90.2)	(17.6)
Unrealized gains on Fortitude available-for-sale securities	0.0
Defined benefit plans, net	15.5								15.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares repurchased (in shares)			(5,000,000)
Shares repurchased	(185.6)							(185.6)
Equity-based compensation	$ 162.5		$ 0.0			162.5
Shares issued for equity-based awards (in shares)			6,200,000
Shares issued for carry distributed in shares program (in shares)	850,110		900,000
Shares issued for performance allocations	$ 38.9					38.9
Shares issued related to the acquisition of CBAM and Abingworth (in shares)			4,200,000	600,000
Shares issued related to the acquisition of CBAM and Abingworth	194.5	$ 25.0				194.5	$ 25.0
Contributions	391.2									391.2
Distributions	(660.4)							(443.6)		(216.8)
Net income	1,284.7							1,225.0		59.7
Non-controlling interests related to the acquisition of Abingworth	4.2									4.2
Deconsolidation of Consolidated Entities	(47.6)									(47.6)
Currency translation adjustments	(107.8)								(90.2)	(17.6)
Unrealized gains on Fortitude available-for-sale securities	0.0
Defined benefit plans, net	$ 15.5								15.5
Ending balance (in shares) at Dec. 31, 2022	362,298,650		362,300,000
Ending balance at Dec. 31, 2022	$ 6,821.3		$ 3.6			$ 3,138.5		$ 3,401.1	$ (322.2)	$ 600.3