EMPLOYEE BENEFIT PLANS (Information for Retirement Income Plans with Accumulated Benefit Obligation in Excess of Plan Assets) (Details) - USD ($) $ in Millions |
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2013 |
|---|---|---|---|
| Defined Benefit Plan Disclosure [Line Items] | |||
| Accumulated benefit obligation | $ 559 | $ 563 | $ 530 |
| Pension Plans [Member] | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Projected benefit obligation | 538 | 538 | |
| Accumulated benefit obligation | 538 | 538 | |
| Fair value of plan assets | 385 | 405 | |
| Other Retirement Plans [Member] | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Projected benefit obligation | 80 | 78 | |
| Accumulated benefit obligation | 80 | 78 | |
| Fair value of plan assets | $ 0 | $ 0 |