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Property, Plant And Equipment And Jointly-Owned Facilities (Tables) | 12 Months Ended
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Dec. 31, 2017
Property, Plant and Equipment [Abstract] |
Schedule Of Property, Plant And Equipment | Information related to Property, Plant and Equipment as of December 31, 2017 and 2016 is detailed below:
|  | PSE&G |  | Power |  | Other |  | PSEG Consolidated |
|  | Millions |
| 2017 |  |  |  |  |  |  |  |
| Transmission and Distribution: |  |  |  |  |  |  |  |
| Electric Transmission | $ | 10,425 |  |  | $ | — |  |  | $ | — |  |  | $ | 10,425 |  |
| Electric Distribution | 8,455 |  |  | — |  |  | — |  |  | 8,455 |  |
| Gas Distribution and Transmission | 7,122 |  |  | — |  |  | — |  |  | 7,122 |  |
| Construction Work in Progress | 1,735 |  |  | — |  |  | — |  |  | 1,735 |  |
| Other | 512 |  |  | — |  |  | — |  |  | 512 |  |
| Total Transmission and Distribution | 28,249 |  |  | — |  |  | — |  |  | 28,249 |  |
| Generation: |  |  |  |  |  |  |  |
| Fossil Production | — |  |  | 4,923 |  |  | — |  |  | 4,923 |  |
| Nuclear Production | — |  |  | 2,893 |  |  | — |  |  | 2,893 |  |
| Nuclear Fuel in Service | — |  |  | 745 |  |  | — |  |  | 745 |  |
| Other Production-Solar | 593 |  |  | 757 |  |  | — |  |  | 1,350 |  |
| Construction Work in Progress | — |  |  | 2,339 |  |  | — |  |  | 2,339 |  |
| Total Generation | 593 |  |  | 11,657 |  |  | — |  |  | 12,250 |  |
| Other | 275 |  |  | 98 |  |  | 359 |  |  | 732 |  |
| Total | $ | 29,117 |  |  | $ | 11,755 |  |  | $ | 359 |  |  | $ | 41,231 |  |
|  |  | PSE&G |  | Power |  | Other |  | PSEG Consolidated |
|  |  | Millions |
| 2016 |  |  |  |  |  |  |  |  |
| Transmission and Distribution: |  |  |  |  |  |  |  |  |
| Electric Transmission |  | $ | 9,149 |  |  | $ | — |  |  | $ | — |  |  | $ | 9,149 |  |
| Electric Distribution |  | 7,976 |  |  | — |  |  | — |  |  | 7,976 |  |
| Gas Distribution and Transmission |  | 6,458 |  |  | — |  |  | — |  |  | 6,458 |  |
| Construction Work in Progress |  | 1,501 |  |  | — |  |  | — |  |  | 1,501 |  |
| Other |  | 439 |  |  | — |  |  | — |  |  | 439 |  |
| Total Transmission and Distribution |  | 25,523 |  |  | — |  |  | — |  |  | 25,523 |  |
| Generation: |  |  |  |  |  |  |  |  |
| Fossil Production |  | — |  |  | 7,096 |  |  | — |  |  | 7,096 |  |
| Nuclear Production |  | — |  |  | 2,516 |  |  | — |  |  | 2,516 |  |
| Nuclear Fuel in Service |  | — |  |  | 783 |  |  | — |  |  | 783 |  |
| Other Production-Solar |  | 591 |  |  | 687 |  |  | — |  |  | 1,278 |  |
| Construction Work in Progress |  | — |  |  | 1,483 |  |  | — |  |  | 1,483 |  |
| Total Generation |  | 591 |  |  | 12,565 |  |  | — |  |  | 13,156 |  |
| Other |  | 233 |  |  | 90 |  |  | 335 |  |  | 658 |  |
| Total |  | $ | 26,347 |  |  | $ | 12,655 |  |  | $ | 335 |  |  | $ | 39,337 |  |
Schedule Of Jointly-Owned Facilities |
|  |  |  |  | As of December 31, |
|  |  |  |  | 2017 |  | 2016 |
|  |  | Ownership |  |  |  | Accumulated |  |  |  | Accumulated |
|  |  | Interest |  | Plant |  | Depreciation |  | Plant |  | Depreciation |
|  |  |  |  | Millions |
| PSE&G: |  |  |  |  |  |  |  |  |  |  |
| Transmission Facilities |  | Various |  |  | $ | 162 |  |  | $ | 58 |  |  | $ | 169 |  |  | $ | 65 |  |
| Power: |  |  |  |  |  |  |  |  |  |  |
| Coal Generating: |  |  |  |  |  |  |  |  |  |  |
| Conemaugh |  | 23 | % |  | $ | 408 |  |  | $ | 178 |  |  | $ | 408 |  |  | $ | 166 |  |
| Keystone |  | 23 | % |  | $ | 409 |  |  | $ | 187 |  |  | $ | 409 |  |  | $ | 176 |  |
| Nuclear Generating: |  |  |  |  |  |  |  |  |  |  |
| Peach Bottom |  | 50 | % |  | $ | 1,328 |  |  | $ | 348 |  |  | $ | 1,272 |  |  | $ | 306 |  |
| Salem |  | 57 | % |  | $ | 1,147 |  |  | $ | 277 |  |  | $ | 1,077 |  |  | $ | 304 |  |
| Nuclear Support Facilities |  | Various |  |  | $ | 239 |  |  | $ | 81 |  |  | $ | 238 |  |  | $ | 71 |  |
| Pumped Storage Facilities: |  |  |  |  |  |  |  |  |  |  |
| Yards Creek |  | 50 | % |  | $ | 44 |  |  | $ | 26 |  |  | $ | 42 |  |  | $ | 25 |  |
| Merrill Creek Reservoir |  | 14 | % |  | $ | 1 |  |  | $ | — |  |  | $ | 1 |  |  | $ | — |  |
Power holds undivided ownership interests in the jointly-owned facilities above.

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- Definition Tabular disclosure of proportionate interests in jointly owned utility plants. Includes the amount of plants in service, the accumulated provision for depreciation (if available), the amount of plants under construction, and the proportionate share. The amounts presented may be further subdivided to show amounts applicable to plant subcategories (for example, production, transmission, distribution). Includes statements that the amounts represent the utility's share in each joint plant and that it must provide its own financing. Information concerning two or more generating plants on the same site may be combined. States that the utility's share of direct expenses of the joint plants is included in the corresponding operating expenses on its income statement (for example, fuel, maintenance of plant, other operating expense). If the share of direct expenses is charged to purchased power, then disclose the amount so charged and the proportionate amounts charged to specific operating expenses on the records maintained for the joint plants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -URI http://asc.fasb.org/extlink&oid=6500719&loc=d3e659983-123033 + Details
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- Definition Tabular disclosure of public utility 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, deprecation 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 980 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84167750&loc=d3e42232-110370 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(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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