STOCKHOLDERS' EQUITY (Share Repurchase Programs) (Details) shares in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2019 USD ($) repurchase_program shares	Mar. 31, 2018 USD ($) shares	Mar. 31, 2019 USD ($) repurchase_program shares	Mar. 31, 2018 USD ($) shares
Share Repurchase Programs [Line Items]
Number of repurchase programs | repurchase_program	2		2
Value of shares repurchased	$ 73,000,000	$ 0	$ 309,000,000	$ 63,000,000
Shares repurchased (in shares) | shares	466	0	2,142	476
$2 Billion Open-Market Purchase Program [Member]
Share Repurchase Programs [Line Items]
Authorized repurchase amount	$ 2,000,000,000		$ 2,000,000,000
Value of shares repurchased	$ 0		$ 78,000,000
Shares repurchased (in shares) | shares	0		591
$750 Million Open-Market Purchase Program [Member]
Share Repurchase Programs [Line Items]
Value of shares repurchased		$ 0		$ 0
Shares repurchased (in shares) | shares		0		0
Evergreen Program [Member]
Share Repurchase Programs [Line Items]
Value of shares repurchased	$ 73,000,000	$ 0	$ 231,000,000	$ 63,000,000
Shares repurchased (in shares) | shares	466	0	1,551	476