XML 77 R39.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Early Plant Retirements Early Plant Retirements (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Power [Member] |
Restructuring Cost and Reserve [Line Items] |
Property, Plant and Equipment [Table Text Block] | The following table provides the balance sheet amounts by generating station as of December 31, 2017 for significant assets and liabilities associated with Power’s owned share of its nuclear assets.
|  |  | As of December 31, 2017 |
|  |  | Hope Creek |  | Salem |  | Support Facilities and Other (A) |  | Peach Bottom |
|  |  | Millions |
| Assets |  |  |  |  |  |  |  |  |
| Materials and Supplies Inventory |  | $ | 86 |  |  | $ | 78 |  |  | $ | — |  |  | $ | 41 |  |
| Nuclear Production, net of Accumulated Depreciation |  | 605 |  |  | 661 |  |  | 211 |  |  | 802 |  |
| Nuclear Fuel In-Service, net of Accumulated Depreciation |  | 104 |  |  | 124 |  |  | — |  |  | 153 |  |
| Construction Work in Progress (including nuclear fuel) |  | 245 |  |  | 90 |  |  | 1 |  |  | 25 |  |
| Total Assets |  | $ | 1,040 |  |  | $ | 953 |  |  | $ | 212 |  |  | $ | 1,021 |  |
| Liabilities |  |  |  |  |  |  |  |  |
| Asset Retirement Obligation |  | $ | 302 |  |  | $ | 249 |  |  | $ | — |  |  | $ | 205 |  |
| Total Liabilities |  | $ | 302 |  |  | $ | 249 |  |  | $ | — |  |  | $ | 205 |  |
| Net Assets |  | $ | 738 |  |  | $ | 704 |  |  | $ | 212 |  |  | $ | 816 |  |
| NRC License Renewal Term |  | 2046 |  | 2036/2040 |  |  | N/A |  |  | 2033/2034 |  |
| % Owned |  | 100 | % |  | 57 | % |  | Various |  |  | 50 | % |
(A) | Includes Hope Creek’s and Salem’s shared support facilities and other nuclear development capital.

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
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_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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