EMPLOYEE BENEFIT PLANS (Summarized Information for Defined Benefit Retirement Income and Healthcare Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Retirement Health Care Plans [Member] | Retirement Health Care [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation as of beginning of year	$ 47	$ 45
Service cost	0	0	$ 0
Interest cost	2	2	2
Actuarial loss (gain)	(4)	2
Plan amendments	0	0
Translation and other adjustments	0	0
Benefits paid	(3)	(2)
Benefit obligation as of end of year	42	47	45
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of assets as of beginning of year	0	0
Actual return on plan assets	0	0
Employer contributions	3	2
Benefits paid	(3)	(2)
Translation and other adjustments	0	0
Fair value of plan assets as of end of year	0	0	0
Accrued benefit cost, net funded status	(42)	(47)
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Pension benefit assets	0	0
Current accrued benefit liability	(3)	(3)
Non-current accrued benefit liability	(39)	(44)
Accrued benefit cost, net	(42)	(47)
Other Postretirement Benefit Plan [Member] | Retirement Income Plans [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation as of beginning of year	673	639
Service cost	1	1	2
Interest cost	22	26	25
Actuarial loss (gain)	(21)	51
Plan amendments	0	(1)
Translation and other adjustments	0	(1)
Benefits paid	(42)	(42)
Benefit obligation as of end of year	633	673	639
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of assets as of beginning of year	423	409
Actual return on plan assets	22	26
Employer contributions	31	31
Benefits paid	(42)	(42)
Translation and other adjustments	0	(1)
Fair value of plan assets as of end of year	434	423	$ 409
Accrued benefit cost, net funded status	(199)	(250)
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Pension benefit assets	2	1
Current accrued benefit liability	(15)	(14)
Non-current accrued benefit liability	(186)	(237)
Accrued benefit cost, net	$ (199)	$ (250)