SUPPLEMENTAL ACCOUNT BALANCES - Schedule of Inventories (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
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| SUPPLEMENTAL INFORMATION [Abstract] | ||
| Materials and supplies | $ 90 | $ 86 |
| Finished goods | 3 | 4 |
| Inventories | $ 93 | $ 90 |
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- Definition Supplemental Information No definition available.
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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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