XML 108 R79.htm IDEA: XBRL DOCUMENT
v3.20.4

Long-Term Investments (Schedule Of Long Term Investments) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Long-Term Investments [Line Items] |  |  |  |
Total Long-Term Investments |  | $ 536 | $ 812 |
Dividends in equity method investments |  | 15 | 15 | $ 16
Provision for Loan and Lease Losses |  | 26 | 58 | $ 8
PSEG Power LLC |  |  |  |
Long-Term Investments [Line Items] |  |  |  |
Total Long-Term Investments |  | 64 | 66 |
Public Service Electric and Gas Company |  |  |  |
Long-Term Investments [Line Items] |  |  |  |
Total Long-Term Investments |  | 222 | 248 |
Life Insurance And Supplemental Benefits [Member] | Public Service Electric and Gas Company |  |  |  |
Long-Term Investments [Line Items] |  |  |  |
Total Long-Term Investments |  | 100 | 111 |
Solar Loan Investment [Member] | Public Service Electric and Gas Company |  |  |  |
Long-Term Investments [Line Items] |  |  |  |
Total Long-Term Investments |  | 122 | 137 |
Partnerships And Corporate Joint Ventures [Member] | PSEG Power LLC |  |  |  |
Long-Term Investments [Line Items] |  |  |  |
Total Long-Term Investments | [1] | 64 | 66 |
Partnerships And Corporate Joint Ventures [Member] | Equity Method Investments [Member] | Energy Holdings [Member] |  |  |  |
Long-Term Investments [Line Items] |  |  |  |
Total Long-Term Investments |  | 0 | 1 |
Leases [Member] | Energy Holdings [Member] |  |  |  |
Long-Term Investments [Line Items] |  |  |  |
Total Long-Term Investments |  | $ 250 | $ 497 |
[1] | During the three years ended December 31, 2020, 2019 and 2018, dividends from these investments were $15 million, $15 million and $16 million, respectively.

X
- Definition Long-Term Investments [Line Items] + References No definition available. + Details
Name: | pseg_LongTermInvestmentsLineItems
Namespace Prefix: | pseg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of dividends or interest. Give totals for each group. If operations of any controlled companies are different in character from those of the company, group such affiliates (1) within divisions and (2) by type of activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(5)) -URI http://asc.fasb.org/extlink&oid=120401592&loc=d3e611322-123010 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(2)) -URI http://asc.fasb.org/extlink&oid=120401592&loc=d3e611322-123010 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column D)) -URI http://asc.fasb.org/extlink&oid=120401592&loc=d3e611322-123010 + Details
Name: | us-gaap_InvestmentsInAndAdvancesToAffiliatesDividendsOrInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
Name: | us-gaap_ProvisionForLoanAndLeaseLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

X
- Details
Name: | us-gaap_InvestmentTypeAxis=pseg_LifeInsuranceAndSupplementalBenefitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=pseg_SolarLoanInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=pseg_PartnershipsAndCorporateJointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_EquityMethodInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_InvestmentTypeAxis=pseg_LeasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |