STOCKHOLDERS' EQUITY (Share Repurchase Programs) (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Share Repurchase Programs [Line Items]
Value of shares repurchased	$ 30	$ 73	$ 219	$ 309
Shares repurchased (in shares)	184	466	1,424	2,142
$2 Billion Open-Market Purchase Program [Member]
Share Repurchase Programs [Line Items]
Value of shares repurchased	$ 0	$ 0	$ 85	$ 78
Shares repurchased (in shares)	0	0	577	591
Evergreen Program [Member]
Share Repurchase Programs [Line Items]
Value of shares repurchased	$ 30	$ 73	$ 134	$ 231
Shares repurchased (in shares)	184	466	847	1,551