Segment Reporting - Expense Adjustments (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Adjustments:
Other non-operating income									$ (7.4)	$ (30.3)	$ (16.5)
Expenses	$ 802.5	$ 795.3	$ 843.6	$ 1,027.0	$ 928.7	$ 705.1	$ 1,042.6	$ 1,099.0	3,468.4	3,775.4	3,693.9
Reconciling Items
Adjustments:
Equity-based compensation issued in conjunction with the initial public offering, acquisitions and strategic investments									259.8	269.2	314.4
Acquisition related charges and amortization of intangibles and impairment									288.8	242.5	260.4
Other non-operating income									(7.4)	(30.3)	(16.5)
Tax expense associated with performance fee compensation									(14.9)	(25.3)	(34.9)
Non-Carlyle economic interests in acquired business									160.3	213.6	186.4
Other adjustments									6.7	1.2	6.3
Expenses									473.8	429.3	440.8
Elimination of expenses of Consolidated Funds
Adjustments:
Other non-operating income									0.0	0.0	0.0
Expenses									$ (219.5)	$ (241.6)	$ (275.3)