STOCKHOLDERS' EQUITY (Share Repurchase Programs) (Details) - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Share Repurchase Programs [Line Items]
Stock repurchased during period, value	$ 272	$ 189	$ 254
$2 Billion Open-Market Purchase Program [Member]
Share Repurchase Programs [Line Items]
Stock repurchased during period, value	$ 95
Stock repurchased during period, shares (in shares)	749
$750 Million Open-Market Purchase Program [Member]
Share Repurchase Programs [Line Items]
Stock repurchased during period, value		$ 0	$ 0
Stock repurchased during period, shares (in shares)		0	0
Evergreen Program [Member]
Share Repurchase Programs [Line Items]
Stock repurchased during period, value	$ 177	$ 189	$ 254
Stock repurchased during period, shares (in shares)	1,422	1,505	2,151