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Revenues Revenues (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 USD ($) $ / mwd MW | Sep. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | Mar. 31, 2017 USD ($) | Sep. 30, 2018 USD ($) $ / mwd MW | Sep. 30, 2017 USD ($)
Revenues [Line Items] |  |  |  |  |  |  |
Lease Receivable adjustment |  |  |  | $ 22 | $ 55 | $ 20 | $ 77
Revenue from Contract with Customers |  | $ 2,383 | $ 2,043 |  |  | 6,989 | 6,278
Revenues Unrelated to Contracts with Customers | [1] | 11 | 211 |  |  | 239 | 709
Total Operating Revenues |  | 2,394 | 2,254 |  |  | 7,228 | 6,987
Electric Distribution Contracts [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 1,072 | 1,014 |  |  | 2,516 | 2,472
Gas Distribution [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 136 | 132 |  |  | 1,136 | 1,113
Electric Transmission [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 312 | 308 |  |  | 925 | 914
Electricity and Related Products [Member] | PJM [Member] | Third Party Sales [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 558 | 300 |  |  | 1,429 | 916
Electricity and Related Products [Member] | PJM [Member] | Sales to Affiliates [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Electricity and Related Products [Member] | NY ISO [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 56 | 49 |  |  | 161 | 135
Electricity and Related Products [Member] | ISO New England [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 12 | 15 |  |  | 73 | 35
Gas Sales [Member] | Third Party Sales [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 24 | 26 |  |  | 118 | 89
Gas Sales [Member] | Sales to Affiliates [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Other Revenues from Contracts with Customers [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers | [2] | 213 | 199 |  |  | 631 | 604
PSE And G [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 1,586 | 1,517 |  |  | 4,785 | 4,698
Revenues Unrelated to Contracts with Customers | [1] | 9 | 13 |  |  | 41 | 51
Total Operating Revenues |  | 1,595 | 1,530 |  |  | 4,826 | 4,749
PSE And G [Member] | Electric Distribution Contracts [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 1,072 | 1,014 |  |  | 2,516 | 2,472
PSE And G [Member] | Gas Distribution [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 142 | 136 |  |  | 1,149 | 1,124
PSE And G [Member] | Electric Transmission [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 312 | 308 |  |  | 925 | 914
PSE And G [Member] | Electricity and Related Products [Member] | PJM [Member] | Third Party Sales [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
PSE And G [Member] | Electricity and Related Products [Member] | PJM [Member] | Sales to Affiliates [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
PSE And G [Member] | Electricity and Related Products [Member] | NY ISO [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
PSE And G [Member] | Electricity and Related Products [Member] | ISO New England [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
PSE And G [Member] | Gas Sales [Member] | Third Party Sales [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
PSE And G [Member] | Gas Sales [Member] | Sales to Affiliates [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
PSE And G [Member] | Other Revenues from Contracts with Customers [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers | [2] | 60 | 59 |  |  | 195 | 188
Power [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 875 | 653 |  |  | 2,857 | 2,323
Revenues Unrelated to Contracts with Customers | [1] | (7) | 193 |  |  | 181 | 710
Total Operating Revenues |  | 868 | 846 |  |  | 3,038 | 3,033
Anticipated Contract Revenues |  | $ 171 |  |  |  | $ 171 |
Power [Member] | PJM [Member] | June 2018 to May 2019 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 205 |  |  |  | 205 |
Load (MW) | MW |  | 9,200 |  |  |  | 9,200 |
Power [Member] | PJM [Member] | June 2019 to May 2020 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 116 |  |  |  | 116 |
Load (MW) | MW |  | 8,900 |  |  |  | 8,900 |
Power [Member] | PJM [Member] | June 2020 to May 2021 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 170 |  |  |  | 170 |
Load (MW) | MW |  | 8,100 |  |  |  | 8,100 |
Power [Member] | PJM [Member] | June 2021 to May 2022 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 178 |  |  |  | 178 |
Load (MW) | MW |  | 7,700 |  |  |  | 7,700 |
Power [Member] | ISO New England [Member] | June 2017 to May 2018 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 231 |  |  |  | 231 |
Power [Member] | ISO New England [Member] | June 2018 to May 2019 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 314 |  |  |  | 314 |
Load (MW) | MW |  | 820 |  |  |  | 820 |
Power [Member] | ISO New England [Member] | June 2019 to May 2020 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 231 |  |  |  | 231 |
Load (MW) | MW |  | 1,330 |  |  |  | 1,330 |
Power [Member] | ISO New England [Member] | June 2020 to May 2021 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 195 |  |  |  | 195 |
Load (MW) | MW |  | 1,330 |  |  |  | 1,330 |
Power [Member] | ISO New England [Member] | June 2021 to May 2022 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 192 |  |  |  | 192 |
Load (MW) | MW |  | 950 |  |  |  | 950 |
Power [Member] | ISO New England [Member] | June 2022 to May 2023 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 231 |  |  |  | 231 |
Load (MW) | MW |  | 480 |  |  |  | 480 |
Power [Member] | ISO New England [Member] | June 2023 to May 2024 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 231 |  |  |  | 231 |
Load (MW) | MW |  | 480 |  |  |  | 480 |
Power [Member] | ISO New England [Member] | June 2024 to May 2025 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 231 |  |  |  | 231 |
Load (MW) | MW |  | 480 |  |  |  | 480 |
Power [Member] | ISO New England [Member] | June 2025 to May 2026 [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 231 |  |  |  | 231 |
Load (MW) | MW |  | 480 |  |  |  | 480 |
Power [Member] | Electric Distribution Contracts [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | $ 0 | 0 |  |  | $ 0 | 0
Power [Member] | Gas Distribution [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Power [Member] | Electric Transmission [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Power [Member] | Electricity and Related Products [Member] | PJM [Member] | Third Party Sales [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 558 | 300 |  |  | 1,429 | 916
Power [Member] | Electricity and Related Products [Member] | PJM [Member] | Sales to Affiliates [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 166 | 208 |  |  | 489 | 563
Power [Member] | Electricity and Related Products [Member] | NY ISO [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 56 | 49 |  |  | 161 | 135
Power [Member] | Electricity and Related Products [Member] | ISO New England [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 12 | 15 |  |  | 73 | 35
Power [Member] | Gas Sales [Member] | Third Party Sales [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 24 | 26 |  |  | 118 | 89
Power [Member] | Gas Sales [Member] | Sales to Affiliates [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 47 | 44 |  |  | 552 | 552
Power [Member] | Other Revenues from Contracts with Customers [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers | [2] | 12 | 11 |  |  | 35 | 33
Other [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 142 | 130 |  |  | 404 | 386
Revenues Unrelated to Contracts with Customers | [1] | 9 | 5 |  |  | 17 | (52)
Total Operating Revenues |  | 151 | 135 |  |  | 421 | 334
Other [Member] | LIPA OSA contract fixed component [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Anticipated Contract Revenues |  | 64 |  |  |  | 64 |
Other [Member] | Electric Distribution Contracts [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Other [Member] | Gas Distribution [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Other [Member] | Electric Transmission [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Other [Member] | Electricity and Related Products [Member] | PJM [Member] | Third Party Sales [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Other [Member] | Electricity and Related Products [Member] | PJM [Member] | Sales to Affiliates [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Other [Member] | Electricity and Related Products [Member] | NY ISO [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Other [Member] | Electricity and Related Products [Member] | ISO New England [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Other [Member] | Gas Sales [Member] | Third Party Sales [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Other [Member] | Gas Sales [Member] | Sales to Affiliates [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Other [Member] | Other Revenues from Contracts with Customers [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers | [2] | 142 | 130 |  |  | 404 | 386
Other [Member] | LIPA OSA contract incentive component [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Anticipated Contract Revenues |  | 10 |  |  |  | 10 |
Eliminations [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | (220) | (257) |  |  | (1,057) | (1,129)
Revenues Unrelated to Contracts with Customers | [1] | 0 | 0 |  |  | 0 | 0
Total Operating Revenues |  | (220) | (257) |  |  | (1,057) | (1,129)
Eliminations [Member] | Electric Distribution Contracts [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Eliminations [Member] | Gas Distribution [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | (6) | (4) |  |  | (13) | (11)
Eliminations [Member] | Electric Transmission [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Eliminations [Member] | Electricity and Related Products [Member] | PJM [Member] | Third Party Sales [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Eliminations [Member] | Electricity and Related Products [Member] | PJM [Member] | Sales to Affiliates [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | (166) | (208) |  |  | (489) | (563)
Eliminations [Member] | Electricity and Related Products [Member] | NY ISO [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Eliminations [Member] | Electricity and Related Products [Member] | ISO New England [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Eliminations [Member] | Gas Sales [Member] | Third Party Sales [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 |  |  | 0 | 0
Eliminations [Member] | Gas Sales [Member] | Sales to Affiliates [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers |  | (47) | (44) |  |  | (552) | (552)
Eliminations [Member] | Other Revenues from Contracts with Customers [Member] |  |  |  |  |  |  |
Revenues [Line Items] |  |  |  |  |  |  |
Revenue from Contract with Customers | [2] | $ (1) | $ (1) |  |  | $ (3) | $ (3)
[1] | Includes primarily alternative revenues at PSE&G, derivative contracts at Power, and lease contracts in Other. For the nine months ended September 30, 2018 and 2017, Other includes a $20 million loss and a $77 million loss, respectively, related to Energy Holdings’ investments in leases.
[2] | Includes primarily revenues from appliance repair services at PSE&G, solar power projects and energy management and fuel service contracts with LIPA at Power, and PSEG LI’s OSA with LIPA in Other.

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