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Commitments and Contingent Liabilities - Schedule of Total Minimum Purchase Commitments (Details) - PSEG Power $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($)
Nuclear Fuel Uranium [Member] |
Long-term Purchase Commitment [Line Items] |
Total five-year minimum purchase requirements | $ 442
Nuclear Fuel Enrichment [Member] |
Long-term Purchase Commitment [Line Items] |
Total five-year minimum purchase requirements | 357
Nuclear Fuel Fabrication [Member] |
Long-term Purchase Commitment [Line Items] |
Total five-year minimum purchase requirements | 227
Natural Gas [Member] |
Long-term Purchase Commitment [Line Items] |
Total five-year minimum purchase requirements | $ 1,406

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- Definition The minimum amount the entity agreed to spend under the long-term purchase commitment. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=us-gaap_NuclearFuelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=srt_NaturalGasReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |