NON-CONTROLLING REDEEMABLE INTERESTS IN CONSOLIDATED FUNDS - Summary of Changes in Non-controlling Redeemable Interests in Consolidated Funds (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Non-Controlling Redeemable Interests in Consolidated Funds [Roll Forward]
Beginning balance	$ 39,670,831	$ 41,048,607	$ 44,466,116
Contributions	6,507,188	6,441,090	8,305,880
Distributions	(12,783,673)	(13,993,859)	(11,668,028)
Net income	5,163,939	6,016,342	233,573
Change in distributions payable	105,735	49,109	(151,645)
Change in accrued or deferred contributions	0	41,000	(41,000)
Foreign currency translation and other	170,811	68,542	(96,289)
Ending balance	$ 38,834,831	$ 39,670,831	$ 41,048,607