XML 59 R77.htm IDEA: XBRL DOCUMENT
v3.20.1

Debt and Credit Facilities Debt and Credit Facilities (Short-Term Liquidity) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Commercial Paper |  | $ 1,062 | $ 1,115
Commitments of Single Institution as Percentage of Total Commitments |  | 9.00% |
Line of Credit Facility, Remaining Borrowing Capacity |  | $ 3,223 |
Line of Credit Facility, Maximum Borrowing Capacity |  | 4,200 |
Line of Credit Facility, Fair Value of Amount Outstanding | [1] | 977 |
Public Service Electric and Gas Company [Member] |  |  |
Commercial Paper |  | 0 | $ 362
Line of Credit Facility, Remaining Borrowing Capacity |  | 583 |
Line of Credit Facility, Maximum Borrowing Capacity |  | 600 |
Line of Credit Facility, Fair Value of Amount Outstanding | [1] | 17 |
PSEG Power [Member] |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  | 1,946 |
Line of Credit Facility, Maximum Borrowing Capacity |  | 2,100 |
Line of Credit Facility, Fair Value of Amount Outstanding |  | 154 |
Five Year Credit Facility Maturing March 2023 [Member] | Public Service Electric and Gas Company [Member] |  |  |
Credit Facility Reduction in March 2022 |  | 4 |
Line of Credit Facility, Remaining Borrowing Capacity |  | $ 583 |
Debt Instrument, Maturity Date, Description |  | Mar 2024 |
Line of Credit Facility, Maximum Borrowing Capacity | [2] | $ 600 |
Line of Credit Facility, Fair Value of Amount Outstanding | [1] | 17 |
Five Year Credit Facility Maturing March 2023 [Member] | PSEG Power [Member] |  |  |
Credit Facility Reduction in March 2022 |  | 12 |
Line of Credit Facility, Remaining Borrowing Capacity |  | $ 1,860 |
Debt Instrument, Maturity Date, Description |  | Mar 2024 |
Line of Credit Facility, Maximum Borrowing Capacity | [3] | $ 1,900 |
Line of Credit Facility, Fair Value of Amount Outstanding |  | 40 |
Three Year Credit Facilities Maturing September 2021 [Member] | PSEG Power [Member] |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  | $ 86 |
Debt Instrument, Maturity Date, Description |  | Sept 2021 |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 200 |
Line of Credit Facility, Fair Value of Amount Outstanding |  | 114 |
PSEG [Member] |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  | 694 |
Line of Credit Facility, Maximum Borrowing Capacity |  | 1,500 |
Line of Credit Facility, Fair Value of Amount Outstanding | [1] | 806 |
PSEG [Member] | Five Year Credit Facility Maturing March 2023 [Member] |  |  |
Credit Facility Reduction in March 2022 |  | 9 |
Line of Credit Facility, Remaining Borrowing Capacity |  | $ 694 |
Debt Instrument, Maturity Date, Description |  | Mar 2024 |
Line of Credit Facility, Maximum Borrowing Capacity | [4] | $ 1,500 |
Line of Credit Facility, Fair Value of Amount Outstanding | [1] | 806 |
PSEG [Member] | Five Year Credit Facility Maturing March 2023 [Member] |  |  |
Commercial Paper |  | $ 762 |
Short-term Debt, Weighted Average Interest Rate, at Point in Time |  | 3.40% |
[1] | The primary use of PSEG’s and PSE&G’s credit facilities is to support their respective Commercial Paper Programs, under which as of March 31, 2020, PSEG had $762 million outstanding at a weighted average interest rate of 3.4%. PSE&G had no commercial paper outstanding under its Commercial Paper Program as of March 31, 2020.
[2] | PSE&G facility will be reduced by $4 million in March 2022.
[3] | PSEG Power facilities will be reduced by $12 million in March 2022.
[4] | PSEG facilities will be reduced by $9 million in March 2022.

X
- Definition Commitments of Single Institution as Percentage of Total Commitments + References No definition available. + Details
Name: | pseg_CommitmentsOfSingleInstitutionAsPercentageOfTotalCommitments
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Credit Facility Reduction + References No definition available. + Details
Name: | pseg_CreditFacilityReduction
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)(2)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: 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(19)(a)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CommercialPaper
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities. + 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 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentMaturityDateDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of the amount outstanding under the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611 + Details
Name: | us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Weighted average interest rate of short-term debt outstanding calculated at point in time. + 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 210.5-02.19(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ShortTermDebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

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

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=pseg_LetterofCreditFacilitiesexpiringSeptember2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |