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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Equity and Equity-Based Compensation - Additional Information (Detail) - USD ($)		1 Months Ended		12 Months Ended			23 Months Ended
	Aug. 01, 2013	Feb. 15, 2018	Dec. 31, 2012	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2017	Jan. 01, 2018	Feb. 29, 2016	May 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchase program, authorized amount									$ 200,000,000
Common units repurchased				$ 200,000	$ 58,900,000	$ 0	$ 59,100,000
Units repurchased (in units)				14,190			3,700,000
Unit exchange program, number of partnership units exchanged for common units (in shares)				6,430,383
Noncontrolling interest, decrease from redemptions or purchase of interests				$ 33,900,000
Number of the Partnership's common units and Carlyle Holdings partnership units available for grant under the Equity Incentive Plan (in shares)										30,450,000
Deferred restricted common unit compensation				$ 9,400,000	12,100,000		$ 9,400,000
AlpInvest
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional ownership percentage acquired in the current year	40.00%
Common units issued to AlpInvest employees that are subject to vesting conditions (in units)	914,087
Unvested Carlyle Holdings Partnership Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period of vesting of unvested units (in years)				6 years
Tax benefit related to equity-based compensation expense				$ 0
Unrecognized equity-based compensation expense				$ 55,600,000			55,600,000
Weighted-average term for unrecognized compensation expense to be recognized (in years)				3 months 18 days
Unvested Carlyle Holdings Partnership Units \| Carlyle Holdings
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional base compensation expense related to				$ 166,400,000	183,700,000	191,100,000
Unvested Carlyle Holdings Partnership Units \| ECM Capital, L.P.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period of vesting of unvested units (in years)			5 years
Number of partnership units issued with time vesting (in shares)			996,572
Number of partnership units issued at closing with performance-based vesting (in shares)			597,944
Deferred Restricted Common Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional base compensation expense related to				153,700,000	149,200,000	176,200,000
Tax benefit related to equity-based compensation expense				13,600,000	17,200,000	16,400,000
Unrecognized equity-based compensation expense				$ 154,700,000			154,700,000
Weighted-average term for unrecognized compensation expense to be recognized (in years)				1 year 11 months
Deferred Restricted Common Units \| Vested Carlyle Holdings Partnership Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred restricted common unit compensation				$ 0	4,800,000	2,900,000	0
Deferred Restricted Common Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period of vesting of unvested units (in years)				6 years
Discount on unvested awards (as a percent)				40.00%
Unvested Partnership Common Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period of vesting of unvested units (in years)	5 years
Additional base compensation expense related to				$ 200,000	$ 1,600,000	$ 9,000,000
Unrecognized equity-based compensation expense				$ 0			$ 0
Unvested Partnership Common Units \| AlpInvest
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional ownership percentage acquired in the current year	40.00%
Common units issued to AlpInvest employees that are subject to vesting conditions (in units)	914,087
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of the Partnership's common units and Carlyle Holdings partnership units available for grant under the Equity Incentive Plan (in shares)								32,645,874
Subsequent Event \| Deferred Restricted Common Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		13,700,000
Grants during the period, estimated grant-date fair value		$ 283,000,000
Subsequent Event \| Deferred Restricted Common Units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period of vesting of unvested units (in years)		12 months
Subsequent Event \| Deferred Restricted Common Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period of vesting of unvested units (in years)		60 months