PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Accumulated benefit obligations in excess of fair value of plan assets (Details) - USD ($) $ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Pension plans | ||
| Accumulated benefit obligations in excess of the fair value of plan assets | ||
| Accumulated Benefit Obligations | $ 5,165 | $ 880 |
| Fair value of plan assets | 4,379 | 138 |
| Other postretirement benefit plans | ||
| Accumulated benefit obligations in excess of the fair value of plan assets | ||
| Accumulated Benefit Obligations | 297 | 166 |
| Fair value of plan assets | $ 176 | $ 0 |
| 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 | ||||||||||
- Details
|
| X | ||||||||||
- Details
|