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COMMITMENTS AND CONTINGENCIES (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Debt Instrument [Line Items]    
Line of credit $ 85  
Letters of Credit Outstanding, Amount 60  
Bank guarantees 5  
Litigation reserves 5.0 5.0
Self-insurance reserves $ 123 $ 127