XML 173 R140.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Income Taxes (Description Of Income Tax Years By Material Jurisdictions) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2016
Federal [Member] | PSEG [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | 2011-2015
Federal [Member] | Power [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | N/A
Federal [Member] | PSE&G [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | N/A
New Jersey [Member] | PSEG [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | 2006-2015
New Jersey [Member] | Power [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | N/A
New Jersey [Member] | PSE&G [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | 2011-2015
Pennsylvania [Member] | PSEG [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | 2006-2015
Pennsylvania [Member] | Power [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | N/A
Pennsylvania [Member] | PSE&G [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | 2007-2015
Connecticut [Member] | PSEG [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | 2007-2015
Connecticut [Member] | Power [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | N/A
Connecticut [Member] | PSE&G [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | N/A
Texas [Member] | PSEG [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | 2008-2015
Texas [Member] | Power [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | N/A
Texas [Member] | PSE&G [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | N/A
California [Member] | PSEG [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | 2006-2015
California [Member] | Power [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | N/A
California [Member] | PSE&G [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | N/A
New York [Member] | PSEG [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | 2014-2015
New York [Member] | Power [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | 2014-2015
New York [Member] | PSE&G [Member] |
Income Taxes [Line Items] |
Income Tax Year Subject to Examination by Material Jurisdictions | N/A

X
- Definition Income Taxes [Line Items] + References No definition available. + Details
Name: | pseg_IncomeTaxesLineItems
Namespace Prefix: | pseg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Income Tax Years Subject To Examination By Material Jurisdictions + References No definition available. + Details
Name: | pseg_NumberOfIncomeTaxYearsSubjectToExaminationByMaterialJurisdictions
Namespace Prefix: | pseg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=pseg_FederalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=us-gaap_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=pseg_NewJerseyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=pseg_PennsylvaniaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=pseg_ConnecticutMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=pseg_TexasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=pseg_CaliforniaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=pseg_NewYorkMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |