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OTHER CONTINGENCIES AND GUARANTEES (Details) - USD ($)
$ in Millions
6 Months Ended
Dec. 31, 2015
Jun. 30, 2015
OTHER CONTINGENCIES AND GUARANTEES [Abstract]    
Liability for future remediation costs $ 13 $ 12
Percentage of liability for aggregate remediation and associated costs, other than legal fees 24.30%  
Remediation period 30 years  
Letter of credit $ 10  
Letter of credit, amount outstanding $ 0