COMPREHENSIVE INCOME (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Long-Term Inter-Company Loans [Member]
Intercompany Foreign Currency Balance [Line Items]
Re-measurement gains (losses) on long-term intercompany loans	$ 1	$ 0	$ (3)	$ (3)
Amounts reclassified from Accumulated other comprehensive net (loss) income	0	0	0	0
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Intercompany Foreign Currency Balance [Line Items]
Amounts reclassified from Accumulated other comprehensive net (loss) income	$ 0	$ 0	$ 0	$ 0