XML 76 R56.htm IDEA: XBRL DOCUMENT
v3.20.2

Financing Receivables (Outstanding Loans by Class of Customer) (Detail) - Public Service Electric and Gas Company [Member] - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2019
Concentration Risk [Line Items] |  |
Average Loan Repayment Period | 8 years |
Outstanding Loans by Class of Customer | $ 151 | $ 164
Current Portion of Outstanding Loans | 28 | 28
Noncurrent Portion of Outstanding Loans | $ 123 | 136
Average Loan Remaining Repayment Period | 4 years |
Commercial/Industrial [Member] |  |
Concentration Risk [Line Items] |  |
Outstanding Loans by Class of Customer | $ 144 | 156
Residential [Member] |  |
Concentration Risk [Line Items] |  |
Outstanding Loans by Class of Customer | 7 | $ 8
Solar Loan I [Member] |  |
Concentration Risk [Line Items] |  |
Outstanding Loans by Class of Customer | $ 22 |
Solar Loan I [Member] | Commercial/Industrial [Member] |  |
Concentration Risk [Line Items] |  |
Loan Receivable, Term | 15 years |
Solar Loan I [Member] | Residential [Member] |  |
Concentration Risk [Line Items] |  |
Loan Receivable, Term | 10 years |
Solar Loan II [Member] |  |
Concentration Risk [Line Items] |  |
Outstanding Loans by Class of Customer | $ 72 |
Solar Loan II [Member] | Commercial/Industrial [Member] |  |
Concentration Risk [Line Items] |  |
Loan Receivable, Term | 15 years |
Solar Loan II [Member] | Residential [Member] |  |
Concentration Risk [Line Items] |  |
Loan Receivable, Term | 10 years |
Solar Loan III [Member] |  |
Concentration Risk [Line Items] |  |
Outstanding Loans by Class of Customer | $ 57 |
Solar Loan III [Member] | Commercial/Industrial [Member] |  |
Concentration Risk [Line Items] |  |
Loan Receivable, Term | 10 years |
Solar Loan III [Member] | Residential [Member] |  |
Concentration Risk [Line Items] |  |
Loan Receivable, Term | 10 years |
Minimum [Member] |  |
Concentration Risk [Line Items] |  |
Loan Receivable, Term | 10 years |
Maximum [Member] |  |
Concentration Risk [Line Items] |  |
Loan Receivable, Term | 15 years |

X
- Definition Average Loan Remaining Repayment Period + References No definition available. + Details
Name: | pseg_AverageLoanRemainingRepaymentPeriod
Namespace Prefix: | pseg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average Loan Repayment Period + References No definition available. + Details
Name: | pseg_AverageLoanRepaymentPeriod
Namespace Prefix: | pseg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loan Receivable, Term + References No definition available. + Details
Name: | pseg_LoanReceivableTerm
Namespace Prefix: | pseg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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_ConcentrationRiskLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before allowance for credit loss, of financing receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4531-111522 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(a),(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_NotesAndLoansReceivableGrossCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allowance for credit loss, of financing receivable, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 + Details
Name: | us-gaap_NotesAndLoansReceivableGrossNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=pseg_CommercialIndustrialConcentrationCreditRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=pseg_ResidentialConcentrationCreditRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | pseg_LoanProgramAxis=pseg_SolarLoanIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | pseg_LoanProgramAxis=pseg_SolarLoanIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | pseg_LoanProgramAxis=pseg_SolarLoanIIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |