v2.4.0.6
RELATED PARTY TRANSACTIONS (DETAILS) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Blackstone Debt Advisors [Member]
     
Related Party Transaction [Line Items]      
Number of CLOs where related party is collateral manager 4    
Blackstone Alternative Asset Management [Member]
     
Related Party Transaction [Line Items]      
Number of hedge fund investments where related party is manager 2    
Number of credit fund investments where related party is manager 1    
Blackstone Group [Member]
     
Related Party Transaction [Line Items]      
Management fees paid to related party $ 2 $ 2 $ 1
Percentage of voting rights of related party held in investment portfolio 1.00%