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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

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