Investments - Net Investment Gains (Losses) of Consolidated Funds (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Equity Method Investments and Joint Ventures [Abstract]
Gains (losses) from investments of Consolidated Funds	$ (2.5)	$ 18.6	$ 27.1	$ 45.0
Gains (losses) from liabilities of CLOs	21.1	(15.9)	49.3	(43.8)
Gains on other assets of CLOs	0.0	2.1	0.0	1.9
Total	$ 18.6	$ 4.8	$ 76.4	$ 3.1

Realized/unrealized gains/losses on other assets of collateralized loan obligations of consolidated funds.

No definition available.

Name:	cg_RealizedUnrealizedGainsLossesOnOtherAssetsOfCollateralizedLoanObligationsOfConsolidatedFunds
Namespace Prefix:	cg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration