SHARE-BASED COMPENSATION AND POSTRETIREMENT BENEFITS (Details) - USD ($) $ in Millions |
3 Months Ended | ||||
|---|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
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| Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] | |||||
| Allocated Share-based Compensation Expense | $ 44 | $ 66 | |||
| Pension and Other Retiree Benefits | |||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Defined Benefit Plan, Net Periodic Benefit Cost | [1] | 96 | 86 | ||
| Other Postretirement Benefit Plan | |||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Defined Benefit Plan, Net Periodic Benefit Cost | [1] | $ (19) | $ (24) | ||
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