Organization and Basis of Presentation - Summary of Adjustments Within Partners' Capital (Details) $ in Millions	Jun. 05, 2015 USD ($)
Partners’ Capital/Accumulated Other Comprehensive Loss
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Proceeds from The Carlyle Group L.P. common units issued	$ 209.9
Acquisition of non-controlling interest in Carlyle Holdings	(164.5)
Total increase (decrease)	45.4
Non-controlling interests in Carlyle Holdings
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Proceeds from The Carlyle Group L.P. common units issued	0.0
Acquisition of non-controlling interest in Carlyle Holdings	(45.4)
Total increase (decrease)	(45.4)
Total Partners’ Capital
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Proceeds from The Carlyle Group L.P. common units issued	209.9
Acquisition of non-controlling interest in Carlyle Holdings	(209.9)
Total increase (decrease)	$ 0.0