Non-controlling Interests in Consolidated Entities - Partnership's Non-Controlling Interests in Income (Loss) of Consolidated Entities (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Noncontrolling Interest [Line Items]
Net income (loss) attributable to other non-controlling interests in consolidated entities	$ 27.6	$ (29.3)	$ 47.4	$ (29.9)
Net loss attributable to redeemable non-controlling interests in consolidated entities	0.0	0.2	0.0	0.1
Non-controlling interests in income (loss) of consolidated entities	27.6	(29.1)	47.4	(29.8)
Non-Carlyle interests in Consolidated Funds
Noncontrolling Interest [Line Items]
Net income (loss) attributable to other non-controlling interests in consolidated entities	8.2	(1.2)	8.1	0.2
Non-Carlyle interests in majority-owned subsidiaries
Noncontrolling Interest [Line Items]
Net income (loss) attributable to other non-controlling interests in consolidated entities	11.0	(24.7)	22.5	(21.6)
Non-controlling interest in carried interest, giveback obligations and cash held for carried interest distributions
Noncontrolling Interest [Line Items]
Net income (loss) attributable to other non-controlling interests in consolidated entities	$ 8.4	$ (3.4)	$ 16.8	$ (8.5)

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4J
-URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591551-111686

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684

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Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.19)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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