EMPLOYEE BENEFIT PLANS - Schedule of Net Actuarial Loss (Gain) Recorded in Accumulated Other Comprehensive Net (Loss) Income (Details) $ in Millions |
12 Months Ended |
|---|---|
|
Jun. 30, 2026
USD ($)
| |
| Retirement Income | |
| AOCI Attributable to Parent, Net of Tax [Roll Forward] | |
| Net actuarial loss (gain) as of beginning of year | $ 19 |
| Amortization, curtailment, and settlement during the year | 0 |
| Loss (gain) during the year | 0 |
| Net actuarial loss (gain) as of end of year | 19 |
| Retirement Health Care | |
| AOCI Attributable to Parent, Net of Tax [Roll Forward] | |
| Net actuarial loss (gain) as of beginning of year | (14) |
| Amortization, curtailment, and settlement during the year | 2 |
| Loss (gain) during the year | (2) |
| Net actuarial loss (gain) as of end of year | $ (14) |