EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1	$ 1	$ 1	$ 1
Interest cost	5	6	16	19
Expected return on plan assets	(5)	(4)	(15)	(13)
Amortization of unrecognized items	2	2	8	7
Total	(3)	(5)	(10)	(14)
Postretirement Health Coverage [Member]
Defined Benefit Plan Disclosure [Line Items]
Total	0	$ 1	0	$ 1
United States Pension Plan of US Entity [Member]
Defined Benefit Plan Disclosure [Line Items]
Discretionary contributions	$ 0		$ 15