EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Retirement Income Plans [Member]
Defined Benefit Plans [Line Items]
Service cost	$ 0	$ 1	$ 0	$ 1
Interest cost	6	6	13	12
Expected return on plan assets	(5)	(5)	(9)	(10)
Amortization of unrecognized items	3	3	5	6
Net periodic benefit cost	4	5	9	9
Discretionary contributions	0		15
Retirement Health Care Plans [Member]
Defined Benefit Plans [Line Items]
Net periodic benefit cost	$ 0	$ (1)	$ 0	$ (1)