XML 93 R73.htm IDEA: XBRL DOCUMENT
v3.20.2

Commitments And Contingent Liabilities (Basic Generation Service (BGS) And Basic Gas Supply Service (BGSS)) (Detail) cf in Billions | 6 Months Ended
--- | ---
Jun. 30, 2020 USD ($) cf $ / mwd $ / MWh MW
Long-term Purchase Commitment [Line Items] |
Number of cubic feet in gas hedging permitted to be recovered by BPU | cf | 115
Percentage of residential gas supply permitted to be recovered in gas hedging by BPU | 80.00%
Number Of Cubic Feet To Be Hedged | cf | 70
Percentage of annual residential gas supply requirements to be hedged | 50.00%
Public Service Electric and Gas Company [Member] |
Long-term Purchase Commitment [Line Items] |
ZEC Charge per kwh | $ | $ 0.004
Public Service Electric and Gas Company [Member] | Auction Year 2017 [Member] |
Long-term Purchase Commitment [Line Items] |
Load (MW) | MW | 2,800
Dollars Per Megawatt Hour | $ / MWh | 90.78
Public Service Electric and Gas Company [Member] | Auction Year 2018 [Member] |
Long-term Purchase Commitment [Line Items] |
Load (MW) | MW | 2,900
Dollars Per Megawatt Hour | $ / MWh | 91.77
Public Service Electric and Gas Company [Member] | Auction Year 2019 [Member] |
Long-term Purchase Commitment [Line Items] |
Dollars Per Megawatt-Day | $ / mwd | 281.78
Load (MW) | MW | 2,800
Dollars Per Megawatt Hour | $ / MWh | 98.04
Public Service Electric and Gas Company [Member] | Auction Year 2020 [Member] |
Long-term Purchase Commitment [Line Items] |
Dollars Per Megawatt-Day | $ / mwd | 359.98
Load (MW) | MW | 2,800
Dollars Per Megawatt Hour | $ / MWh | 102.16

X
- Definition Dollars Per Megawatt-Day + References No definition available. + Details
Name: | pseg_DollarsPerMegawattDay
Namespace Prefix: | pseg_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Dollars Per Megawatt Hour + References No definition available. + Details
Name: | pseg_DollarsPerMegawattHour
Namespace Prefix: | pseg_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Load Megawatt + References No definition available. + Details
Name: | pseg_LoadMegawatt
Namespace Prefix: | pseg_
Data Type: | num:powerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of cubic feet in gas hedging permitted to be recovered by BPU. + References No definition available. + Details
Name: | pseg_NumberOfCubicFeetInGasHedgingPermittedToBeRecoveredByBpu
Namespace Prefix: | pseg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of cubic feet to be hedged + References No definition available. + Details
Name: | pseg_NumberOfCubicFeetToBeHedged
Namespace Prefix: | pseg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of annual residential gas supply requirements to be hedged + References No definition available. + Details
Name: | pseg_PercentageOfAnnualResidentialGasSupplyRequirementsToBeHedged
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of residential gas supply permitted to be recovered in gas hedging by BPU. + References No definition available. + Details
Name: | pseg_PercentageOfResidentialGasSupplyPermittedToBeRecoveredInGasHedgingByBpu
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition ZEC Charge per kwh + References No definition available. + Details
Name: | pseg_ZECChargeperkwh
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_LongTermPurchaseCommitmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=pseg_AuctionYear2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=pseg_AuctionYear2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=pseg_AuctionYear2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=pseg_AuctionYear2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |