VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	$ (4)	$ (3)	$ (5)
Charged to costs and expenses	(1)	(1)	0
Credited to costs and expenses	0	0	2
Credited to other accounts	0	0	0
Balance at end of period	(5)	(4)	(3)
LIFO Allowance [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	(34)	(36)	(40)
Charged to costs and expenses	(1)	0	0
Credited to costs and expenses	0	0	3
Credited to other accounts	3	2	1
Balance at end of period	(32)	(34)	(36)
Valuation Allowance on Deferred Tax Assets [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	(34)	(51)	(36)
Charged to costs and expenses	(5)	(4)	(25)
Credited to costs and expenses	0	0	0
Credited to other accounts	2	21	10
Balance at end of period	$ (37)	$ (34)	$ (51)