XML 106 R84.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Income Taxes (Narrative) (Detail) | 9 Months Ended
--- | ---
Sep. 30, 2016
Income Taxes [Line Items] |
Bonus Depreciation For Tax Purposes | 50.00%
Bonus Depreciation for Tax Purposes 2018 | 40.00%
Bonus Depreciation for Tax Purposes 2019 | 30.00%
Current ITC rate for qualified property | 30.00%
2020 ITC rate for qualified property | 26.00%
2021 ITC rate for qualified property | 22.00%

X
- Definition 2020 ITC rate for qualified property + References No definition available. + Details
Name: | pseg_A2020ITCrateforqualifiedproperty
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition 2021 ITC rate for qualified property + References No definition available. + Details
Name: | pseg_A2021ITCrateforqualifiedproperty
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Bonus Depreciation For Tax Purposes + References No definition available. + Details
Name: | pseg_BonusDepreciationForTaxPurposes
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Bonus Depreciation for Tax Purposes 2018 + References No definition available. + Details
Name: | pseg_BonusDepreciationforTaxPurposes2018
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Bonus Depreciation for Tax Purposes 2019 + References No definition available. + Details
Name: | pseg_BonusDepreciationforTaxPurposes2019
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Current ITC rate for qualified property + References No definition available. + Details
Name: | pseg_CurrentITCrateforqualifiedproperty
Namespace Prefix: | pseg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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