XML 92 R70.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Commitments And Contingent Liabilities (Environmental Matters) (Detail) $ in Millions | Sep. 30, 2018 USD ($) Potentially_Responsible_Party entity site Station Plant mi
--- | ---
Site Contingency [Line Items] |
Number of miles related to the Passaic River constituting a facility as determined by the US Environmental Protection Agency | mi | 17
Number of additional legal entities contacted by EPA in conjunction with Newark Bay study area contamination | entity | 11
Number of operating electric generating stations located on Hackensack River | Station | 2
Number of former MGP contamination sites located on Hackensack river in conjunction with Newark Bay study area contamination | site | 1
PSE And G [Member] |
Site Contingency [Line Items] |
Percentage of cost attributable to potentially responsible party | 7.60%
Pse G S Former Mgp Sites [Member] | Power [Member] |
Site Contingency [Line Items] |
Percentage of cost attributable to potentially responsible party | 1.90%
Passaic River Site Contingency [Member] |
Site Contingency [Line Items] |
Estimated Cleanup Costs EPA Preferred Method | $ 2,300
Accrual for Environmental Loss Contingencies | $ 57
Number Of Additional Potentially Responsible Parties Directed By New Jersey Department Of Environmental Protection To Arrange Damage Assessment For Lower Passaic River | Potentially_Responsible_Party | 56
Estimated cost of interim natural resource injury restoration | $ 950
Passaic River Site Contingency [Member] | PSE And G [Member] |
Site Contingency [Line Items] |
Number of former generating electric station | Plant | 1
Number of former Manufactured Gas Plant (MGP) sites | Plant | 4
Accrual for Environmental Loss Contingencies | $ 46
Passaic River Site Contingency [Member] | Power [Member] |
Site Contingency [Line Items] |
Accrual for Environmental Loss Contingencies | 11
Mgp Remediation Site Contingency [Member] | PSE And G [Member] |
Site Contingency [Line Items] |
Remediation Liability Recorded As Other Current Liabilities | 75
Remediation Liability Recorded As Other Noncurrent Liabilities | 268
Regulatory Assets | 343
Minimum [Member] | Passaic River Site Contingency [Member] |
Site Contingency [Line Items] |
Loss Contingency, Estimate of Possible Loss | 518
Minimum [Member] | Mgp Remediation Site Contingency [Member] | PSE And G [Member] |
Site Contingency [Line Items] |
Loss Contingency, Estimate of Possible Loss | 343
Accrual for Environmental Loss Contingencies | 343
Maximum [Member] | Passaic River Site Contingency [Member] |
Site Contingency [Line Items] |
Loss Contingency, Estimate of Possible Loss | 3,200
Claim against Tierra and Maxus amount | 14,000
Maximum [Member] | Mgp Remediation Site Contingency [Member] | PSE And G [Member] |
Site Contingency [Line Items] |
Loss Contingency, Estimate of Possible Loss | $ 388

X
- Definition Claim against Tierra and Maxus amount + References No definition available. + Details
Name: | pseg_ClaimagainstTierraandMaxusamount
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated Cleanup Costs EPA Preferred Method + References No definition available. + Details
Name: | pseg_EstimatedCleanupCostsEPAPreferredMethod
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated Cost Of Interim Natural Resource Injury Restoration + References No definition available. + Details
Name: | pseg_EstimatedCostOfInterimNaturalResourceInjuryRestoration
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number Of Additional Legal Entities Contacted By EPA In Conjunction With Newark Bay Study Area Contamination + References No definition available. + Details
Name: | pseg_NumberOfAdditionalLegalEntitiesContactedByEpaInConjunctionWithNewarkBayStudyAreaContamination
Namespace Prefix: | pseg_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Additional Potentially Responsible Parties Directed By New Jersey Department Of Environmental Protection To Arrange Damage Assessment For Lower Passaic River + References No definition available. + Details
Name: | pseg_NumberOfAdditionalPotentiallyResponsiblePartiesDirectedByNewJerseyDepartmentOfEnvironmentalProtectionToArrangeDamageAssessmentForLowerPassaicRiver
Namespace Prefix: | pseg_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of former generating electric station + References No definition available. + Details
Name: | pseg_NumberOfFormerGeneratingElectricStation
Namespace Prefix: | pseg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of former Manufactured Gas Plant (MGP) sites. + References No definition available. + Details
Name: | pseg_NumberOfFormerManufacturedGasPlantMgpSites
Namespace Prefix: | pseg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Former MGP Contamination Sites Located On Hackensack River In Conjunction With Newark Bay Study Area Contamination + References No definition available. + Details
Name: | pseg_NumberOfFormerMgpContaminationSitesLocatedOnHackensackRiverInConjunctionWithNewarkBayStudyAreaContamination
Namespace Prefix: | pseg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of miles pertaining to Passaic River facility as determined by EPA + References No definition available. + Details
Name: | pseg_NumberOfMilesPertainingToPassaicRiverFacilityAsDeterminedByEpa
Namespace Prefix: | pseg_
Data Type: | num:lengthItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Operating Electric Generating Stations Located On Hackensack River In Conjunction With Newark Bay Study Area Contamination + References No definition available. + Details
Name: | pseg_NumberOfOperatingElectricGeneratingStationsLocatedOnHackensackRiverInConjunctionWithNewarkBayStudyAreaContamination
Namespace Prefix: | pseg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage Of Cost Attributable To Potentially Responsible Party + References No definition available. + Details
Name: | pseg_PercentageOfCostAttributableToPotentiallyResponsibleParty
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Remediation Liability Recorded As Other Current Liabilities + References No definition available. + Details
Name: | pseg_RemediationLiabilityRecordedAsOtherCurrentLiabilities
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Remediation Liability Recorded As Other Noncurrent Liabilities + References No definition available. + Details
Name: | pseg_RemediationLiabilityRecordedAsOtherNoncurrentLiabilities
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 + Details
Name: | us-gaap_AccrualForEnvironmentalLossContingencies
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349 + Details
Name: | us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 + Details
Name: | us-gaap_RegulatoryAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_SiteContingencyLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_EnvironmentalRemediationContingencyAxis=pseg_PseGSFormerMgpSitesMember
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_EnvironmentalRemediationContingencyAxis=pseg_PassaicRiverSiteContingencyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EnvironmentalRemediationContingencyAxis=pseg_MgpRemediationSiteContingencyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |