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EMPLOYEE BENEFIT PLANS (Narrative) (Details) $ in Millions |  | 12 Months Ended
--- | --- | ---
Jul. 07, 2016 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) item | Jun. 30, 2015 USD ($) | Jun. 30, 2014 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Accumulated benefit obligation |  |  | $ 596 | $ 559 | $ 563
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Aggregate cost of the defined contribution plans |  |  | 45 | 45 | 43
Company 401(k) plan [Member] |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Aggregate cost of the defined contribution plans |  |  | 41 | 42 | 38
International Defined Contribution Plan [Member] |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Aggregate cost of the defined contribution plans |  |  | 3 | 3 | 3
Domestic Qualified Retirement Income Plans [Member] |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Discretionary contributions |  |  | 15 | 0 | 0
Domestic Qualified Retirement Income Plans [Member] | Subsequent Event [Member] |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Discretionary contributions | $ 15 |  |  |  |
Domestic Non-Qualified Retirement Income Plans [Member] |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Discretionary contributions |  |  | $ 16 | $ 13 | $ 13
Medical [Member] |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Assumed ultimate trend |  |  | 6.75% |  |
Prescription Drugs [Member] |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Assumed ultimate trend |  |  | 6.75% |  |
Retirement Health Care Plan [Member] |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Assumed ultimate trend |  |  | 4.50% |  |
Ultimate trend, year reached |  |  | 2037 |  |
Basis point increase | item |  |  | 100 |  |
Retirement Health Care Plan [Member] | Scenario, Forecast [Member] |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Net actuarial gains (losses) as a component of net periodic benefit cost |  | $ 1 |  |  |
Retirement Income Plan [Member] | Scenario, Forecast [Member] |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Net actuarial gains (losses) as a component of net periodic benefit cost |  | $ (11) |  |  |

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