XML 116 R78.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Financing Receivables (Narrative) (Detail) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Net Investments in Leases | $ 85 | $ (25)
Lease investment with non-investment grade counterparties, gross | 335 |
Lease investment with non-investment grade counterparties, net of deferred taxes | $ (67) |
Powerton Station [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Lease Receivable Percent Owned | 64.00% |

X
- Definition Lease Investment With Non Investment Grade Counterparties Gross + References No definition available. + Details
Name: | pseg_LeaseInvestmentWithNonInvestmentGradeCounterpartiesGross
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Lease Investment With Non Investment Grade Counterparties Net Of Deferred Taxes + References No definition available. + Details
Name: | pseg_LeaseInvestmentWithNonInvestmentGradeCounterpartiesNetOfDeferredTaxes
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Lease Receivable, Percent Owned + References No definition available. + Details
Name: | pseg_LeaseReceivablePercentOwned
Namespace Prefix: | pseg_
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_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net investment in arrangements meeting the criteria for classification as leveraged leases including deferred taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 30 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=77895730&loc=d3e42840-112730 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 35 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=77915205&loc=d3e43930-112732 + Details
Name: | us-gaap_LeveragedLeasesNetInvestmentInLeveragedLeasesDisclosureInvestmentInLeveragedLeasesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=pseg_PowertonStationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |