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Commitments and Contingent Liabilities - Minimum Fuel Purchase Requirements - Additional Information (Details) | Dec. 31, 2024
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PSEG Power |
Long-Term Purchase Commitment [Line Items] |
Coverage percentage of nuclear fuel commitments of uranium, enrichment, and fabrication requirements for current year | 100.00%

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- Definition Coverage percentage of nuclear fuel commitments of uranium, enrichment, and fabrication requirements through following year + References No definition available. + Details
Name: | peg_CoveragePercentageOfNuclearFuelCommitmentsOfUraniumEnrichmentAndFabricationRequirementsThroughFollowingYear
Namespace Prefix: | peg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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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
Name: | us-gaap_LongTermPurchaseCommitmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | dei_LegalEntityAxis=peg_PSEGPowerLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |