PENSION AND POST-RETIREMENT BENEFIT PLANS - 401(k) Savings Plan (U.S.) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| 401(k) Savings Plan (U.S.) | |||
| Minimum period following date of hire after which full-time employees become eligible to participate in the savings plan | 30 days | ||
| Minimum service period after which the Company matches a portion of the participant's contributions | 1 year | ||
| Company's contribution to contributory defined contribution plan | $ 44 | $ 51 | $ 51 |