OTHER POSTRETIREMENT BENEFITS (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Retirement Benefits [Abstract] | |||
| Employer contributions to defined contribution plans | $ 146 | $ 136 | $ 134 |
| Unfunded obligation of plan | $ 62 | $ 57 | |