COMPREHENSIVE INCOME (Schedule of Changes in Accumulated Other Comprehensive Net (Losses) (Details) - USD ($) $ in Millions	9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning	$ (356)	$ (353)
Other comprehensive income (loss) before reclassifications	9	(6)
Amounts reclassified from Accumulated other comprehensive net losses	0	0
Income tax benefit (expense)	(3)	1
Net current period other comprehensive income (loss)	6	(5)
Balance, ending	(350)	(358)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning	(37)	(44)
Other comprehensive income (loss) before reclassifications	6	(2)
Amounts reclassified from Accumulated other comprehensive net losses	6	9
Income tax benefit (expense)	(2)	0
Net current period other comprehensive income (loss)	10	7
Balance, ending	(27)	(37)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning	(150)	(173)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from Accumulated other comprehensive net losses	4	6
Income tax benefit (expense)	(2)	(3)
Net current period other comprehensive income (loss)	2	3
Balance, ending	(148)	(170)
AOCI Attributable to Parent [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning	(543)	(570)
Other comprehensive income (loss) before reclassifications	15	(8)
Amounts reclassified from Accumulated other comprehensive net losses	10	15
Income tax benefit (expense)	(7)	(2)
Net current period other comprehensive income (loss)	18	5
Balance, ending	$ (525)	$ (565)