XML 109 R87.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Other Income (Deductions) (Schedule Of Other Income (Deductions)) (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Component of Other Income (Deductions) [Line Items] |  |  |  |  |
NDT Fund Interest and Dividends |  | $ 13 | $ 12 | $ 40 | $ 35
Allowance for Funds Used During Construction |  | 13 | 14 | 40 | 42
Solar Loan Interest |  | 5 | 6 | 14 | 16
Other |  | 2 | 1 | 5 | 5
Other Income (Deductions) |  | 33 | 33 | 99 | 98
PSE And G [Member] |  |  |  |  |
Component of Other Income (Deductions) [Line Items] |  |  |  |  |
NDT Fund Interest and Dividends |  | 0 | 0 | 0 | 0
Allowance for Funds Used During Construction |  | 13 | 14 | 40 | 42
Solar Loan Interest |  | 5 | 6 | 14 | 16
Other |  | 3 | 2 | 7 | 7
Other Income (Deductions) |  | 21 | 22 | 61 | 65
Power [Member] |  |  |  |  |
Component of Other Income (Deductions) [Line Items] |  |  |  |  |
NDT Fund Interest and Dividends |  | 13 | 12 | 40 | 35
Allowance for Funds Used During Construction |  | 0 | 0 | 0 | 0
Solar Loan Interest |  | 0 | 0 | 0 | 0
Other |  | 1 | (1) | (2) | (1)
Other Income (Deductions) |  | 14 | 11 | 38 | 34
Other Entities [Member] |  |  |  |  |
Component of Other Income (Deductions) [Line Items] |  |  |  |  |
NDT Fund Interest and Dividends | [1] | 0 | 0 | 0 | 0
Allowance for Funds Used During Construction | [1] | 0 | 0 | 0 | 0
Solar Loan Interest | [1] | 0 | 0 | 0 | 0
Other | [1] | (2) | 0 | 0 | (1)
Other Income (Deductions) | [1] | $ (2) | $ 0 | $ 0 | $ (1)
[1] | Other consists of activity at PSEG (as parent company), Energy Holdings, Services, PSEG LI and intercompany eliminations.

X
- Definition [Line Items] for Component of Other Income [Table] + References No definition available. + Details
Name: | pseg_ComponentofOtherIncomeLineItems
Namespace Prefix: | pseg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Other nonoperating income, other + References No definition available. + Details
Name: | pseg_OtherNonoperatingIncomeOther
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Solar loan interest + References No definition available. + Details
Name: | pseg_SolarLoanInterest
Namespace Prefix: | pseg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(a),(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_InvestmentIncomeInterestAndDividend
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of income (expense) related to nonoperating activities, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_OtherNonoperatingIncomeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 + Details
Name: | us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

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