PENSIONS AND OTHER POSTRETIREMENT BENEFITS - Contributions (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Pension Benefits | ||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||
| Employer contributions | $ 68 | $ 119 |
| Pension benefits, employer contributions and payments | 68 | |
| Expected employer contributions, next fiscal year | 43 | |
| OPEB | ||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||
| Employer contributions | 86 | 76 |
| Employer contributions | 86 | 76 |
| Expected employer contributions, next fiscal year | 83 | |
| OPEB | VEBA | ||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||
| Employer contributions | 0 | 0 |
| Expected employer contributions, next fiscal year | 0 | |
| OPEB | Direct Payments | ||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||
| Employer contributions | 86 | $ 76 |
| Expected employer contributions, next fiscal year | $ 83 | |
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- Definition Defined Benefit Plan, Contributions by Employer, Net of Reimbursements No definition available.
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- Definition Defined Benefit Plan, Plan Assets, Payments and Contributions by Employer No definition available.
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- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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. No definition available.
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