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Financial Risk Management Activities (Schedule Of Net Notional Volume For Open Derivative Contracts) (Detail) - PSEG Power [Member] $ / mwh in Millions, $ / Derivative in Millions, $ / DTH in Millions | 3 Months Ended | 12 Months Ended
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Mar. 31, 2024 $ / mwh $ / Derivative $ / DTH | Dec. 31, 2023 $ / DTH $ / mwh $ / Derivative
Natural Gas Dth [Member] |  |
Derivative [Line Items] |  |
Net notional volume of derivative transactions | $ / DTH | 86 | 66
Electricity MWh [Member] |  |
Derivative [Line Items] |  |
Net notional volume of derivative transactions | (62) | (60)
FTRs MWh [Member] |  |
Derivative [Line Items] |  |
Net notional volume of derivative transactions | 16 | 19
Interest Rate Swaps [Member] |  |
Derivative [Line Items] |  |
Net notional volume of derivative transactions | $ / Derivative | 1,750 | 2,000

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
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- Details
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