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v2.4.1.9

Rate Filings (Details) (PSE And G [Member], USD $) In Millions, unless otherwise specified | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Apr. 30, 2015 | Aug. 31, 2016 | Mar. 31, 2015
Regulatory Assets And Liabilities [Line Items] |  |  |
Supplemental Request for WNC Carryover Deficiency Revenues Recovery |  |  | $ 45 pseg_SupplementalRequestForWncCarryoverDeficiencyRevenuesRecovery
Subsequent Event [Member] |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |
Self Implementing Bill Credit per therm | 0.28 pseg_SelfImplementingBillCreditpertherm / dei_LegalEntityAxis = pseg_PseAndGMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
BGSS Revenue Reduction | 20 pseg_BGSSRevenueReduction / dei_LegalEntityAxis = pseg_PseAndGMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |
Scenario, Forecast [Member] |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  | 6 us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount / dei_LegalEntityAxis = pseg_PseAndGMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember |
Scenario, Forecast [Member] | Electric Distribution [Member] |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  | $ 17 us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount / dei_LegalEntityAxis = pseg_PseAndGMember / pseg_RateTypeAxis = us-gaap_GasDistributionMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember |

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- Definition BGSS Revenue Reduction + References No definition available. + Details
Name: | pseg_BGSSRevenueReduction
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | pseg_RegulatoryAssetsAndLiabilitiesLineItems
Namespace Prefix: | pseg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Self Implementing Bill Credit per therm + References No definition available. + Details
Name: | pseg_SelfImplementingBillCreditpertherm
Namespace Prefix: | pseg_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

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- Definition Supplemental Request for WNC Carryover Deficiency Revenues Recovery + References No definition available. + Details
Name: | pseg_SupplementalRequestForWncCarryoverDeficiencyRevenuesRecovery
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |