STOCKHOLDERS' EQUITY (Narrative) (Details)	12 Months Ended
	Jun. 30, 2018 USD ($) program	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	May 31, 2018 USD ($)
Intercompany Foreign Currency Balance [Line Items]
Number of repurchase programs | program	2
Long term intercompany loans [Member]
Intercompany Foreign Currency Balance [Line Items]
Adjustment for long-term intercompany transactions, gross of tax	$ (9,000,000)	$ (2,000,000)	$ (14,000,000)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0	$ 0	$ 0
$2 Billion Open-Market Purchase Program [Member]
Intercompany Foreign Currency Balance [Line Items]
Authorized repurchase amount	2,000,000,000			$ 2,000,000,000
$750 Million Open-Market Purchase Program [Member]
Intercompany Foreign Currency Balance [Line Items]
Authorized repurchase amount				$ 750,000,000
Evergreen Program [Member]
Intercompany Foreign Currency Balance [Line Items]
Authorized repurchase amount	$ 0