PENSION AND OTHER POSTRETIREMENT BENEFITS (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Pension Benefits | ||||
| Components of net periodic cost | ||||
| Interest cost | $ 50 | $ 49 | $ 100 | $ 99 |
| Expected return on plan assets | (35) | (32) | (70) | (64) |
| Amortization of actuarial loss (gain) | 0 | 19 | 0 | 37 |
| Net periodic cost | 15 | 36 | 30 | 72 |
| Postretirement Benefits | ||||
| Components of net periodic cost | ||||
| Interest cost | 2 | 3 | 4 | 5 |
| Expected return on plan assets | 0 | 0 | 0 | 0 |
| Amortization of actuarial loss (gain) | 0 | (5) | 0 | (9) |
| Net periodic cost | $ 2 | $ (2) | $ 4 | $ (4) |
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- 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
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- 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
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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