2.4.0.82408404 - Disclosure - Financing Receivables (Schedule Of Lease Receivables, Net Of Nonrecourse Debt, Associated With Leveraged Lease Portfolio Based On Counterparty Credit Rating) (Detail)truefalseIn Millions, unless otherwise specifiedfalse1false USDfalsefalse$I2013Q2_dei_LegalEntityAxis_pseg_EnergyHoldingsMemberhttp://www.sec.gov/CIK0000788784instant2013-06-30T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$I2012Q4_dei_LegalEntityAxis_pseg_EnergyHoldingsMemberhttp://www.sec.gov/CIK0000788784instant2012-12-31T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3us-gaap_GuaranteeObligationsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Guarantor Obligations [Line Items]2false 4us-gaap_LeveragedLeasesNetInvestmentInLeveragedLeasesDisclosureRentalReceivablesNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse705000000705USD$falsetruefalse2truefalsefalse721000000721USD$falsetruefalsexbrli:monetaryItemTypemonetaryThis element represents leveraged lease rentals receivable, net of that portion of the rental applicable to principal and interest on the nonrecourse debt.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 30 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7662307&loc=d3e42840-112730 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 43, 44 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Lease Receivables, Net of Non-Recourse Debt3false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3false USDtruefalse$I2013Q2_dei_LegalEntityAxis_pseg_EnergyHoldingsMember_us-gaap_PaymentAndPerformanceRiskCreditRatingAxis_us-gaap_StandardPoorsAARatingMemberhttp://www.sec.gov/CIK0000788784instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseEnergy Holdings [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldipseg_EnergyHoldingsMemberdei_LegalEntityAxisexplicitMemberfalsefalseCounterparties' Credit Rating (S&P), AA [Member]us-gaap_PaymentAndPerformanceRiskCreditRatingAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_StandardPoorsAARatingMemberus-gaap_PaymentAndPerformanceRiskCreditRatingAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Counterparties' Credit Rating (S&P), AA [Member]4true 3us-gaap_GuaranteeObligationsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Guarantor Obligations [Line Items]5false 4us-gaap_LeveragedLeasesNetInvestmentInLeveragedLeasesDisclosureRentalReceivablesNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse2000000020USD$falsefalsefalse2truefalsefalse2100000021USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents leveraged lease rentals receivable, net of that portion of the rental applicable to principal and interest on the nonrecourse debt.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 30 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7662307&loc=d3e42840-112730 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 43, 44 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Lease Receivables, Net of Non-Recourse Debt6false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse5false USDtruefalse$I2013Q2_dei_LegalEntityAxis_pseg_EnergyHoldingsMember_us-gaap_PaymentAndPerformanceRiskCreditRatingAxis_us-gaap_StandardPoorsAAMinusRatingMemberhttp://www.sec.gov/CIK0000788784instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseEnergy Holdings [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldipseg_EnergyHoldingsMemberdei_LegalEntityAxisexplicitMemberfalsefalseCounterparties' Credit Rating (S&P), AA- [Member]us-gaap_PaymentAndPerformanceRiskCreditRatingAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_StandardPoorsAAMinusRatingMemberus-gaap_PaymentAndPerformanceRiskCreditRatingAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Counterparties' Credit Rating (S&P), AA- [Member]7true 3us-gaap_GuaranteeObligationsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Guarantor Obligations [Line Items]8false 4us-gaap_LeveragedLeasesNetInvestmentInLeveragedLeasesDisclosureRentalReceivablesNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse5800000058USD$falsefalsefalse2truefalsefalse7300000073USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents leveraged lease rentals receivable, net of that portion of the rental applicable to principal and interest on the nonrecourse debt.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 30 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7662307&loc=d3e42840-112730 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 43, 44 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Lease Receivables, Net of Non-Recourse Debt9false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse7false USDtruefalse$I2013Q2_dei_LegalEntityAxis_pseg_EnergyHoldingsMember_us-gaap_PaymentAndPerformanceRiskCreditRatingAxis_us-gaap_StandardPoorsBBBRatingMemberhttp://www.sec.gov/CIK0000788784instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseEnergy Holdings [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldipseg_EnergyHoldingsMemberdei_LegalEntityAxisexplicitMemberfalsefalseCounterparties' Credit Rating (S&P), BBB+ - BBB- [Member]us-gaap_PaymentAndPerformanceRiskCreditRatingAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_StandardPoorsBBBRatingMemberus-gaap_PaymentAndPerformanceRiskCreditRatingAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Counterparties' Credit Rating (S&P), BBB+ - BBB- [Member]10true 3us-gaap_GuaranteeObligationsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Guarantor Obligations [Line Items]11false 4us-gaap_LeveragedLeasesNetInvestmentInLeveragedLeasesDisclosureRentalReceivablesNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse316000000316USD$falsefalsefalse2truefalsefalse316000000316USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents leveraged lease rentals receivable, net of that portion of the rental applicable to principal and interest on the nonrecourse debt.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 30 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7662307&loc=d3e42840-112730 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 43, 44 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Lease Receivables, Net of Non-Recourse Debt12false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse9false USDtruefalse$I2013Q2_dei_LegalEntityAxis_pseg_EnergyHoldingsMember_us-gaap_PaymentAndPerformanceRiskCreditRatingAxis_us-gaap_StandardPoorsBRatingMemberhttp://www.sec.gov/CIK0000788784instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseEnergy Holdings [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldipseg_EnergyHoldingsMemberdei_LegalEntityAxisexplicitMemberfalsefalseCounterparties' Credit Rating (S&P), B [Member]us-gaap_PaymentAndPerformanceRiskCreditRatingAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_StandardPoorsBRatingMemberus-gaap_PaymentAndPerformanceRiskCreditRatingAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Counterparties' Credit Rating (S&P), B [Member]13true 3us-gaap_GuaranteeObligationsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Guarantor Obligations [Line Items]14false 4us-gaap_LeveragedLeasesNetInvestmentInLeveragedLeasesDisclosureRentalReceivablesNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse166000000166USD$falsefalsefalse2truefalsefalse166000000166USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents leveraged lease rentals receivable, net of that portion of the rental applicable to principal and interest on the nonrecourse debt.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 30 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7662307&loc=d3e42840-112730 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 43, 44 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Lease Receivables, Net of Non-Recourse Debt15false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse11false USDtruefalse$I2013Q2_dei_LegalEntityAxis_pseg_EnergyHoldingsMember_us-gaap_PaymentAndPerformanceRiskCreditRatingAxis_pseg_StandardPoorsNotRatedMemberhttp://www.sec.gov/CIK0000788784instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseEnergy Holdings [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldipseg_EnergyHoldingsMemberdei_LegalEntityAxisexplicitMemberfalsefalseCounterparties' Credit Rating (S&P) Not Rated [Member]us-gaap_PaymentAndPerformanceRiskCreditRatingAxisxbrldihttp://xbrl.org/2006/xbrldipseg_StandardPoorsNotRatedMemberus-gaap_PaymentAndPerformanceRiskCreditRatingAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Counterparties' Credit Rating (S&P) Not Rated [Member]16true 3us-gaap_GuaranteeObligationsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Guarantor Obligations [Line Items]17false 4us-gaap_LeveragedLeasesNetInvestmentInLeveragedLeasesDisclosureRentalReceivablesNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse145000000145USD$falsetruefalse2truefalsefalse145000000145USD$falsetruefalsexbrli:monetaryItemTypemonetaryThis element represents leveraged lease rentals receivable, net of that portion of the rental applicable to principal and interest on the nonrecourse debt.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 30 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7662307&loc=d3e42840-112730 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 43, 44 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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