XML 107 R73.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Property, Plant And Equipment And Jointly-Owned Facilities (Schedule Of Jointly-Owned Facilities) (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Conemaugh [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Ownership Interest | 23.00% |
Plant | $ 417 | $ 408
Accumulated Depreciation | $ 192 | 178
Keystone [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Ownership Interest | 23.00% |
Plant | $ 416 | 409
Accumulated Depreciation | $ 200 | 187
Peach Bottom [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Ownership Interest | 50.00% |
Peach Bottom [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Ownership Interest | 50.00% |
Plant | $ 1,334 | 1,328
Accumulated Depreciation | $ 389 | 348
Salem [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Ownership Interest | 57.00% |
Salem [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Ownership Interest | 57.00% |
Plant | $ 1,196 | 1,147
Accumulated Depreciation | 333 | 277
Nuclear Support Facilities [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Plant | 244 | 239
Accumulated Depreciation | $ 95 | 81
Yards Creek [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Ownership Interest | 50.00% |
Plant | $ 48 | 44
Accumulated Depreciation | $ 26 | 26
Merrill Creek Reservoir [Member] | Power [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Ownership Interest | 14.00% |
Plant | $ 1 | 1
Accumulated Depreciation | 0 | 0
Transmission Facilities [Member] | PSE&G [Member] |  |
Public Utility, Property, Plant and Equipment [Line Items] |  |
Plant | 162 | 162
Accumulated Depreciation | $ 58 | $ 58

X
- Definition The period end amount owned by the reporting utility of a jointly owned utility plant in service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -URI http://asc.fasb.org/extlink&oid=115995737&loc=d3e659983-123033 + Details
Name: | us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The period end amount of accumulated depreciation in a jointly owned electricity generation plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -URI http://asc.fasb.org/extlink&oid=115995737&loc=d3e659983-123033 + Details
Name: | us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The proportionate share of interest (percent) in a jointly owned utility plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -URI http://asc.fasb.org/extlink&oid=115995737&loc=d3e659983-123033 + Details
Name: | us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | us-gaap_PublicUtilityAxis=pseg_ConemaughMember
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: | us-gaap_PublicUtilityAxis=pseg_KeystoneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilityAxis=pseg_PeachBottomMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilityAxis=pseg_SalemMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilityAxis=pseg_NuclearSupportFacilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilityAxis=pseg_YardCreekMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilityAxis=pseg_MerrilCreekReserviorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilityAxis=pseg_TransmissionFacilitiesMember
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: |