EMPLOYEE BENEFIT PLANS (Details) - Retirement Income Plans [Member] - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Other Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Interest cost	6	5
Expected return on plan assets	(5)	(5)
Amortization of unrecognized items	3	3
Total	$ (4)	(3)
Weighted averaqge long-term expected rate or return on plan assets	4.42%
United States Postretirement Benefit Plan of US Entity [Member]
Defined Benefit Plan Disclosure [Line Items]
Discretionary contributions	$ 2	$ 17