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Property, Plant And Equipment And Jointly-Owned Facilities | 12 Months Ended
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Dec. 31, 2017
Property, Plant and Equipment [Line Items] |
Property Plant And Equipment And Jointly-Owned Facilities | Property, Plant and Equipment and Jointly-Owned Facilities 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 |  |
PSE&G and Power have ownership interests in and are responsible for providing their respective shares of the necessary financing for the following jointly-owned facilities to which they are a party. All amounts reflect PSE&G’s or Power’s share of the jointly-owned projects and the corresponding direct expenses are included in the Consolidated Statements of Operations as operating expenses.
|  |  |  |  | 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. Power is entitled to shares of the generating capability and output of each unit equal to its respective ownership interests. Power also pays its ownership share of additional construction costs, fuel inventory purchases and operating expenses. Power’s share of expenses for the jointly-owned facilities is included in the appropriate expense category. Each owner is responsible for any financing with respect to its pro rata share of capital expenditures. Power co-owns Salem and Peach Bottom with Exelon Generation. Power is the operator of Salem and Exelon Generation is the operator of Peach Bottom. A committee appointed by the co-owners provides oversight. Proposed O&M budgets and requests for major capital expenditures are reviewed and approved as part of the normal Power governance process. GenOn Northeast Management Company is a co-owner and the operator for Keystone Generating Station and Conemaugh Generating Station. A committee appointed by the co-owners provides oversight. Proposed O&M budgets and requests for major capital expenditures are reviewed and approved as part of the normal Power governance process. Power is a co-owner in the Yards Creek Pumped Storage Generation Facility. Jersey Central Power & Light Company (JCP&L) is also a co-owner and the operator of this facility. JCP&L submits separate capital and O&M budgets, subject to Power’s approval as part of the normal Power governance process. Power is a minority owner in the Merrill Creek Reservoir and Environmental Preserve in Warren County, New Jersey. Merrill Creek Owners Group is the owner-operator of this facility. The operator submits separate capital and O&M budgets, subject to Power’s approval as part of the normal Power governance process.
PSE&G [Member] |
Property, Plant and Equipment [Line Items] |
Property Plant And Equipment And Jointly-Owned Facilities | Property, Plant and Equipment and Jointly-Owned Facilities 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 |  |
PSE&G and Power have ownership interests in and are responsible for providing their respective shares of the necessary financing for the following jointly-owned facilities to which they are a party. All amounts reflect PSE&G’s or Power’s share of the jointly-owned projects and the corresponding direct expenses are included in the Consolidated Statements of Operations as operating expenses.
|  |  |  |  | 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. Power is entitled to shares of the generating capability and output of each unit equal to its respective ownership interests. Power also pays its ownership share of additional construction costs, fuel inventory purchases and operating expenses. Power’s share of expenses for the jointly-owned facilities is included in the appropriate expense category. Each owner is responsible for any financing with respect to its pro rata share of capital expenditures. Power co-owns Salem and Peach Bottom with Exelon Generation. Power is the operator of Salem and Exelon Generation is the operator of Peach Bottom. A committee appointed by the co-owners provides oversight. Proposed O&M budgets and requests for major capital expenditures are reviewed and approved as part of the normal Power governance process. GenOn Northeast Management Company is a co-owner and the operator for Keystone Generating Station and Conemaugh Generating Station. A committee appointed by the co-owners provides oversight. Proposed O&M budgets and requests for major capital expenditures are reviewed and approved as part of the normal Power governance process. Power is a co-owner in the Yards Creek Pumped Storage Generation Facility. Jersey Central Power & Light Company (JCP&L) is also a co-owner and the operator of this facility. JCP&L submits separate capital and O&M budgets, subject to Power’s approval as part of the normal Power governance process. Power is a minority owner in the Merrill Creek Reservoir and Environmental Preserve in Warren County, New Jersey. Merrill Creek Owners Group is the owner-operator of this facility. The operator submits separate capital and O&M budgets, subject to Power’s approval as part of the normal Power governance process.
Power [Member] |
Property, Plant and Equipment [Line Items] |
Property Plant And Equipment And Jointly-Owned Facilities | Property, Plant and Equipment and Jointly-Owned Facilities 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 |  |
PSE&G and Power have ownership interests in and are responsible for providing their respective shares of the necessary financing for the following jointly-owned facilities to which they are a party. All amounts reflect PSE&G’s or Power’s share of the jointly-owned projects and the corresponding direct expenses are included in the Consolidated Statements of Operations as operating expenses.
|  |  |  |  | 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. Power is entitled to shares of the generating capability and output of each unit equal to its respective ownership interests. Power also pays its ownership share of additional construction costs, fuel inventory purchases and operating expenses. Power’s share of expenses for the jointly-owned facilities is included in the appropriate expense category. Each owner is responsible for any financing with respect to its pro rata share of capital expenditures. Power co-owns Salem and Peach Bottom with Exelon Generation. Power is the operator of Salem and Exelon Generation is the operator of Peach Bottom. A committee appointed by the co-owners provides oversight. Proposed O&M budgets and requests for major capital expenditures are reviewed and approved as part of the normal Power governance process. GenOn Northeast Management Company is a co-owner and the operator for Keystone Generating Station and Conemaugh Generating Station. A committee appointed by the co-owners provides oversight. Proposed O&M budgets and requests for major capital expenditures are reviewed and approved as part of the normal Power governance process. Power is a co-owner in the Yards Creek Pumped Storage Generation Facility. Jersey Central Power & Light Company (JCP&L) is also a co-owner and the operator of this facility. JCP&L submits separate capital and O&M budgets, subject to Power’s approval as part of the normal Power governance process. Power is a minority owner in the Merrill Creek Reservoir and Environmental Preserve in Warren County, New Jersey. Merrill Creek Owners Group is the owner-operator of this facility. The operator submits separate capital and O&M budgets, subject to Power’s approval as part of the normal Power governance process.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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