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This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Non-Cash Employee Benefit Plan Costs85false 6pseg_DeferredStormCostspseg_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-81000000-81USD$falsefalsefalse2truefalsefalse50000005USD$falsefalsefalsexbrli:monetaryItemTypemonetaryDeferred Storm CostsNo definition available.false2Deferred Storm Costs86false 6us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse6200000062USD$falsefalsefalse2truefalsefalse-94000000-94USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe increase (decrease) during the reporting period in the value of assets that are created when regulatory agencies permits public utilities to defer costs (revenues) to the balance sheet. 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Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 false2Prepayments92false 6us-gaap_IncreaseDecreaseInAccountsPayableus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse4700000047USD$falsefalsefalse2truefalsefalse-24000000-24USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 false2Accounts Payable93false 6us-gaap_IncreaseDecreaseInAccountsPayableRelatedPartiesus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-137000000-137USD$falsefalsefalse2truefalsefalse-94000000-94USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe increase (decrease) during the reporting period in the obligations due for goods and services provided by the following types of related parties: a parent company and its subsidiaries, subsidiaries of a common parent, an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management, an entity and its principal owners, management, or member of their immediate families, affiliates, or other parties with the ability to exert significant influence.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -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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Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 false2Accounts Receivable/Payable-Affiliated Companies, net94false 6us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNetus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse80000008USD$falsefalsefalse2truefalsefalse1300000013USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe increase (decrease) during the reporting period in other current operating assets less other current operating liabilities not separately disclosed in the statement of cash flows.No definition available.false2Other Current Assets and Liabilities95false 6us-gaap_PensionAndOtherPostretirementBenefitContributionsus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-134000000-134USD$falsefalsefalse2truefalsefalse-121000000-121USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of cash or cash equivalents contributed during the reporting period by the entity to fund its pension plans and its non-pension postretirement benefit plans.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -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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