Investments - Interest and Other Income of Consolidated Funds (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Equity Method Investments and Joint Ventures [Abstract]
Interest income from investments	$ 40.0	$ 219.0	$ 101.6	$ 654.7
Other income	3.0	40.4	6.2	88.0
Total	$ 43.0	$ 259.4	$ 107.8	$ 742.7

Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein held by consolidated funds and other consolidated entities.

No definition available.

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