DERIVATIVES - Schedule of Gain (Loss) On Natural Gas Purchase Derivatives (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||||
| Non-cash gain on natural gas purchase derivatives | $ (4) | $ (3) | $ (22) | $ (4) |
| Settlements | 7 | 4 | 19 | 6 |
| Net loss (gain) on natural gas purchase derivatives | $ 3 | $ 1 | $ (3) | $ 2 |
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- Definition Derivative, Gain (Loss) On Natural Gas Purchase Derivatives No definition available.
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- Definition Unrealized Gain (Loss) On Natural Gas Purchase Derivatives, Portion Attributable To Parent No definition available.
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- References No definition available.
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- Definition The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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