OTHER CONTINGENCIES AND GUARANTEES (Details) - USD ($) $ in Millions	9 Months Ended
	Mar. 31, 2016	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