PENSION AND OTHER POSTRETIREMENT BENEFITS - Schedule of Accumulated Benefit Obligation in Excess of Plan Assets (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Retirement Benefits [Abstract] | ||
| Projected benefit obligation | $ 3,083 | $ 2,960 |
| Accumulated benefit obligation | 3,083 | 2,960 |
| Fair value of plan assets | $ 1,992 | $ 1,830 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|