PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Schedule of Projected Benefit Obligation in Excess of Plan Assets (Details) - Pension Benefits - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| United States Pension Benefits | ||
| Defined Benefit Plans and Other Postretirement Benefit Plan [Line Items] | ||
| Projected benefit obligation | $ 53 | $ 1,845 |
| Fair value of plan assets | 0 | 1,745 |
| Foreign Pension Benefits | ||
| Defined Benefit Plans and Other Postretirement Benefit Plan [Line Items] | ||
| Projected benefit obligation | 48 | 37 |
| Fair value of plan assets | $ 0 | $ 0 |