XML 111 R91.htm IDEA: XBRL DOCUMENT
v3.21.2

Income Taxes (Narrative) (Detail) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2021 USD ($)
Income Taxes [Line Items] |
NJ tax surcharge percent for 2018 to 2019 | 1.50%
NJ tax surcharge percent for 2020 to 2021 | 2.50%
NJ tax surcharge percent through 2023 | 2.50%
Public Service Electric and Gas Company [Member] |
Income Taxes [Line Items] |
Operating Loss Carryforwards | $ 19

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

X
- Definition NJ tax surcharge percent for 2018 to 2019 + References No definition available. + Details
Name: | pseg_NJTaxSurchargePercentFor2018To2019
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition NJ tax surcharge percent through 2023 + References No definition available. + Details
Name: | pseg_NJTaxSurchargePercentThrough2023
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition NJ tax surcharge percent for 2020 to 2021 + References No definition available. + Details
Name: | pseg_NJtaxsurchargepercentfor2020to2021
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
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: |