PENSION AND OTHER POSTRETIREMENT BENEFITS (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Pension Benefits | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Interest cost | $ 49 | $ 50 | $ 99 | $ 99 |
| Expected return on plan assets | (32) | (34) | (64) | (68) |
| Amortization of actuarial loss (gain) | 19 | 20 | 37 | 40 |
| Net periodic cost | 36 | 36 | 72 | 71 |
| Postretirement Benefits | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Interest cost | 3 | 3 | 5 | 5 |
| Expected return on plan assets | 0 | 0 | 0 | 0 |
| Amortization of actuarial loss (gain) | (5) | (5) | (9) | (9) |
| Net periodic cost | $ (2) | $ (2) | $ (4) | $ (4) |
| X | ||||||||||
- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|