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Early Plant Retirements/Asset Dispositions Early Plant Retirements/Asset Dispositions (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Dec. 31, 2019
Early Plant Retirements/Asset Dispositions [Line Items] |  |  |  |
Assets Held-for-sale | $ 0 |  | $ 0 | $ 30,000,000
PSEG Power [Member] |  |  |  |
Early Plant Retirements/Asset Dispositions [Line Items] |  |  |  |
ZEC Charge per kwh |  |  | 0.004 |
ZEC Charge per MWh |  |  | 10 |
Assets Held-for-sale | 0 |  | $ 0 | $ 28,000,000
Gain (Loss) on Disposition | $ 122,000,000 | $ (400,000,000) |  |

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- Definition Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 15 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=77912953&loc=d3e400-110220 + Details
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