Organization and Basis of Presentation - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended		12 Months Ended	1 Months Ended		1 Months Ended
	May 21, 2012	May 08, 2012	Dec. 31, 2012	May 02, 2012 Carlyle Holdings [Member]	May 21, 2012 Carlyle Holdings [Member]	May 08, 2012 Partnership [Member]	May 21, 2012 Calpers [Member]	May 21, 2012 The Carlyle Group, L.P. [Member]
Partnership Organization And Basis Of Presentation [Line Items]
Partnership units given in exchange of equity interest				274,000,000
Reclassification of capital to minority interest as part of reorganization				$ 841.7
Fair value of partnership units issued by subsidiary				261.1
Carrying amount of compensation liability of partnership units issued by subsidiary				202.1
Excess of fair value over carrying amount of compensation liability recorded as equity compensation expenses				59.0
Carrying value of beneficial interests as of the reorganization date				64.1
Carrying value of carried interest rights as of the reorganization date				56.2
Number of common stock units issued during the initial public offering		30,500,000
Price of common units issued during initial public offering		$ 22
Net proceeds used by the Partnership to purchase the newly issued Carlyle Holdings partnership units		615.8	615.8
Repayments under credit facility from proceeds from initial public offering		618.1
Repayments of outstanding indebtedness under loan agreement entered into as part of Claren Road acquisition		40.0
Dilution of initial public offering transaction		469.8
Proceeds used by Partnership to purchase Carlyle Holdings units						615.8
Book value of Carlyle Holdings interests acquired						146.0
Deferred tax liabilities in connection with initial public offering		9.4
Number of Carlyle Holdings partnership units exchanged into partnership common units							12,721,452
Number of common units outstanding following exchange	304,500,000				261,278,548			43,221,452
Number of common units outstanding before exchange					274,000,000			30,500,000
Percentage of interest in reporting entity in previous period	10.00%
Percentage of interest in reporting entity	14.00%
Carrying value of CalPERS interest in Carlyle Holdings that was exchanged	60.9
Deferred tax asset related to the CalPERS exchange	21.5
Due to non-consolidated affiliates	18.3
Increase in partners' capital related to the CalPERS exchange	3.2
Increase in deferred tax asset	20.2
Increase in liability to CalPERS	16.6
Subsequent exchange adjustment to partners' capital	3.7
Subsequent exchange adjustment to non-controlling interests in Carlyle Holdings	$ 0.1
Number of years that liability to CalPERS is expected to be paid as the deferred tax asset is realized	15 years