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OTHER CONTINGENCIES AND COMMITMENTS (Third-Party Power Purchase Agreements and Other Agreements) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Power Purchases and Electric Capacity |  |  |
Third-Party Power Purchase Agreements [Line Items] |  |  |
Costs incurred for power purchases and electric capacity | $ 2,800 | $ 3,000 | $ 2,900
Nuclear Fuel |  |  |
Third-Party Power Purchase Agreements [Line Items] |  |  |
Payments for nuclear fuel | 44 | 79 | 111
Gas Contracts |  |  |
Third-Party Power Purchase Agreements [Line Items] |  |  |
Cost of goods | $ 2,400 | $ 1,200 | $ 800

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- Definition Third-Party Power Purchase Agreements [Line Items] + References No definition available. + Details
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
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- Definition Cash outflow associated with the purchase of any material that is commonly used in the generation of nuclear energy. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
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