XML 142 R113.htm IDEA: XBRL DOCUMENT
v3.20.4

Commitments And Contingent Liabilities (Nuclear Insurance Coverages and Assessments) (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($)
Other Commitments [Line Items] |
Maximum Aggregate Assessment Per Incident | $ 433
Maximum Aggregate Annual Assessment | 65
Nuclear Insurance Aggregate Limit | 3,200
Total Site Coverage for Nuclear Event [Member] |
Other Commitments [Line Items] |
Nuclear Liability Total | 13,300
Total Site Coverage for Nuclear Event [Member] | American Nuclear Insurers [Member] |
Other Commitments [Line Items] |
Public And Nuclear Worker Liability Primary Layer | 450
Retrospective Assessments [Member] |
Other Commitments [Line Items] |
Replacement Power Total | $ 49

X
- Definition Maximum aggregate annual assessment + References No definition available. + Details
Name: | pseg_MaximumAggregateAnnualAssessment
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Maximum aggregate assessment per incident + References No definition available. + Details
Name: | pseg_MaximumAggregateAssessmentPerIncident
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition NuclearInsuranceAggregateLimit + References No definition available. + Details
Name: | pseg_NuclearInsuranceAggregateLimit
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Nuclear Liability Total + References No definition available. + Details
Name: | pseg_NuclearLiabilityTotal
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Public And Nuclear Worker Liability Primary Layer + References No definition available. + Details
Name: | pseg_PublicAndNuclearWorkerLiabilityPrimaryLayer
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Replacement Power Total + References No definition available. + Details
Name: | pseg_ReplacementPowerTotal
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=pseg_TotalSiteCoverageforNuclearEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | pseg_InsuranceProviderAxis=pseg_AmericanNuclearInsurersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=pseg_RetrospectiveAssessmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |