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Segment Reporting - Additional Information (Details) - segment		3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 01, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Number of reportable segments		4	4	4	4
Claren Road
Segment Reporting Information [Line Items]
Percentage of economic interest (percent)						55.00%
Revised ownership interest (percent)	63.00%

X

- Definition

Percentage of economic interest.

+ References

No definition available.

+ Details

Name:	cg_PercentageOfEconomicInterest
Namespace Prefix:	cg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage represents the revised percentage ownership based on restructuring of agreements

+ References

No definition available.

+ Details

Name:	cg_RevisedOwnershipInterestPercentage
Namespace Prefix:	cg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=cg_ClarenRoadMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: