PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Narrative (Details) - USD ($) $ in Millions |
1 Months Ended | 9 Months Ended |
|---|---|---|
Mar. 31, 2024 |
Sep. 30, 2026 |
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] | ||
| Defined contribution plan, employer matching contribution, percent of match | 7.00% | |
| Defined contribution plan, cost | $ 57 |