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SUPPLEMENTAL ACCOUNT BALANCES - Other Noncurrent Assets (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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SUPPLEMENTAL INFORMATION [Abstract] |  |
Operating lease right-of-use assets | $ 105 | $ 73
Deferred financing costs - Revolving Credit Facility | 23 | 11
Emission reduction credits | 11 | 11
Prepaid power plant maintenance | 5 | 34
Fair value of commodity derivative contracts | 16 | 6
Funded pension | 67 | 2
All other | 45 | 11
Other noncurrent assets | $ 272 | $ 148

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- Definition Defined Benefit Plan, Funded Pension, Noncurrent + References No definition available. + Details
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- Definition Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-1A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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