STOCKHOLDERS' EQUITY (Schedule of Changes in Accumulated Other Comprehensive Net (Losses) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ (356)	$ (353)	$ (300)
Other comprehensive income (loss) before reclassifications	(20)	(3)	(43)
Amounts reclassified from Accumulated other comprehensive net losses	0	0	0
Income tax benefit (expense)	(8)	0	(10)
Net current period other comprehensive income (loss)	(28)	(3)	(53)
Ending balance	(384)	(356)	(353)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(37)	(44)	(53)
Other comprehensive income (loss) before reclassifications	8	(4)	(7)
Amounts reclassified from Accumulated other comprehensive net losses	6	11	18
Income tax benefit (expense)	(2)	0	(2)
Net current period other comprehensive income (loss)	12	7	9
Ending balance	(25)	(37)	(44)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(150)	(173)	(149)
Other comprehensive income (loss) before reclassifications	11	27	(38)
Amounts reclassified from Accumulated other comprehensive net losses	8	9	0
Income tax benefit (expense)	(7)	(13)	14
Net current period other comprehensive income (loss)	12	23	(24)
Ending balance	(138)	(150)	(173)
AOCI Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(543)	(570)	(502)
Other comprehensive income (loss) before reclassifications	(1)	20	(88)
Amounts reclassified from Accumulated other comprehensive net losses	14	20	18
Income tax benefit (expense)	(17)	(13)	2
Net current period other comprehensive income (loss)	(4)	27	(68)
Ending balance	$ (547)	$ (543)	$ (570)