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Financial Risk Management Activities (Schedule Of Net Notional Volume For Open Derivative Contracts) (Detail) - PSEG Power [Member] $ / mwh in Millions, $ / DTH in Millions | 3 Months Ended | 12 Months Ended
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Mar. 31, 2022 $ / mwh $ / DTH | Dec. 31, 2021 $ / DTH $ / mwh
Natural Gas Dth [Member] |  |
Derivative [Line Items] |  |
Net notional volume of derivative transactions | $ / DTH | 53 | 47
Electricity MWh [Member] |  |
Derivative [Line Items] |  |
Net notional volume of derivative transactions | (75) | (76)
FTRs MWh [Member] |  |
Derivative [Line Items] |  |
Net notional volume of derivative transactions | 18 | 27

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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 No definition available. + Details
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- Definition Specified interest rate, security price, commodity price, foreign exchange rate, index of prices or rates for a derivative contract but not the derivative contract itself. + References No definition available. + Details
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- Definition Specified interest rate, security price, commodity price, foreign exchange rate, index of prices or rates for a derivative contract measured in volume but not the derivative contract itself. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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