STOCKHOLDERS' EQUITY (Schedule of Changes in Accumulated Other Comprehensive Net (Losses) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount	$ 726	$ 542	$ 297
Balance, amount	559	726	542
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount	(384)	(356)	(353)
Other comprehensive income (loss) before reclassifications	(20)	(20)	(3)
Amounts reclassified from Accumulated other comprehensive net (loss) income	0	0	0
Income tax benefit (expense)	(2)	(8)	0
Net current period other comprehensive income (loss)	(22)	(28)	(3)
Cumulative effect of accounting changes	(8)
Balance, amount	(414)	(384)	(356)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount	(25)	(37)	(44)
Other comprehensive income (loss) before reclassifications	(5)	8	(4)
Amounts reclassified from Accumulated other comprehensive net (loss) income	6	6	11
Income tax benefit (expense)	1	(2)	0
Net current period other comprehensive income (loss)	2	12	7
Cumulative effect of accounting changes	0
Balance, amount	(23)	(25)	(37)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount	(138)	(150)	(173)
Other comprehensive income (loss) before reclassifications	0	11	27
Amounts reclassified from Accumulated other comprehensive net (loss) income	6	8	9
Income tax benefit (expense)	(2)	(7)	(13)
Net current period other comprehensive income (loss)	4	12	23
Cumulative effect of accounting changes	(31)
Balance, amount	(165)	(138)	(150)
AOCI Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, amount	(547)	(543)	(570)
Other comprehensive income (loss) before reclassifications	(25)	(1)	20
Amounts reclassified from Accumulated other comprehensive net (loss) income	12	14	20
Income tax benefit (expense)	(3)	(17)	(13)
Net current period other comprehensive income (loss)	(16)	(4)	27
Cumulative effect of accounting changes	(39)
Balance, amount	$ (602)	$ (547)	$ (543)