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Financial Risk Management Activities (Schedule Providing Credit Risk From Others, Net Of Collateral) (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2022 USD ($)
Investment Grade External Rating [Member] |
Derivative [Line Items] |
Credit exposure, percentage | 100.00%
Public Service Electric and Gas Company |
Derivative [Line Items] |
Current Exposure | $ 102

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- Definition Percentage Of Credit Exposure + References No definition available. + Details
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Namespace Prefix: | pseg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Total credit exposure with counterparties + References No definition available. + Details
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Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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
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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: | dei_LegalEntityAxis=pseg_PublicServiceElectricandGasCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |