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Revenues Revenues (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) $ / mwd MW | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) $ / mwd MW | Jun. 30, 2018 USD ($)
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | $ 1,992 | $ 1,962 | $ 4,778 | $ 4,606
Revenues Unrelated to Contracts with Customers | [1] | 324 | 54 | 518 | 228
Total Operating Revenues |  | 2,316 | 2,016 | 5,296 | 4,834
Electric Distribution Contracts [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 775 | 754 | 1,517 | 1,444
Gas Distribution [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 208 | 244 | 1,136 | 1,000
Electric Transmission [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 304 | 301 | 592 | 613
Electricity and Related Products [Member] | PJM [Member] | Third Party Sales [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 423 | 373 | 938 | 871
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 |  | 29 | 46 | 70 | 105
Electricity and Related Products [Member] | ISO New England [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 27 | 14 | 48 | 61
Gas Sales [Member] | Third Party Sales [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 11 | 30 | 58 | 94
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] | $ 215 | 200 | $ 419 | 418
Public Service Electric and Gas Company [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Allowances percentage of accounts receivable |  | 7.00% |  | 7.00% |
Revenue from Contract with Customers |  | $ 1,358 | 1,366 | $ 3,383 | 3,199
Revenues Unrelated to Contracts with Customers | [1] | 24 | 20 | 31 | 32
Total Operating Revenues |  | 1,382 | 1,386 | 3,414 | 3,231
Public Service Electric and Gas Company [Member] | Electric Distribution Contracts [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 775 | 754 | 1,517 | 1,444
Public Service Electric and Gas Company [Member] | Gas Distribution [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 211 | 248 | 1,142 | 1,007
Public Service Electric and Gas Company [Member] | Electric Transmission [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 304 | 301 | 592 | 613
Public Service Electric and Gas Company [Member] | Electricity and Related Products [Member] | PJM [Member] | Third Party Sales [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
Public Service Electric and Gas Company [Member] | Electricity and Related Products [Member] | PJM [Member] | Sales to Affiliates [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
Public Service Electric and Gas Company [Member] | Electricity and Related Products [Member] | NY ISO [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
Public Service Electric and Gas Company [Member] | Electricity and Related Products [Member] | ISO New England [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
Public Service Electric and Gas Company [Member] | Gas Sales [Member] | Third Party Sales [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
Public Service Electric and Gas Company [Member] | Gas Sales [Member] | Sales to Affiliates [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
Public Service Electric and Gas Company [Member] | Other Revenues from Contracts with Customers [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [2] | 68 | 63 | 132 | 135
PSEG Power [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 736 | 731 | 1,975 | 1,982
Revenues Unrelated to Contracts with Customers | [1] | 347 | 36 | 524 | 188
Total Operating Revenues |  | 1,083 | 767 | 2,499 | 2,170
Anticipated Contract Revenues |  | $ 170 |  | $ 170 |
PSEG Power [Member] | PJM [Member] | June 2019 to May 2020 [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 115 |  | 115 |
Load (MW) | MW |  | 9,000 |  | 9,000 |
PSEG 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 |
PSEG 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 |
PSEG 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 |
PSEG 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 |
PSEG 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 |
PSEG Power [Member] | ISO New England [Member] | June 2022 to May 2023 [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 179 |  | 179 |
Load (MW) | MW |  | 950 |  | 950 |
PSEG 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 |
PSEG 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 |
PSEG 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 |
PSEG Power [Member] | Electric Distribution Contracts [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | $ 0 | 0 | $ 0 | 0
PSEG Power [Member] | Gas Distribution [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
PSEG Power [Member] | Electric Transmission [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
PSEG Power [Member] | Electricity and Related Products [Member] | PJM [Member] | Third Party Sales [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 423 | 373 | 938 | 871
PSEG Power [Member] | Electricity and Related Products [Member] | PJM [Member] | Sales to Affiliates [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 130 | 147 | 256 | 323
PSEG Power [Member] | Electricity and Related Products [Member] | NY ISO [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 29 | 46 | 70 | 105
PSEG Power [Member] | Electricity and Related Products [Member] | ISO New England [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 27 | 14 | 48 | 61
PSEG Power [Member] | Gas Sales [Member] | Third Party Sales [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 11 | 30 | 58 | 94
PSEG Power [Member] | Gas Sales [Member] | Sales to Affiliates [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 102 | 108 | 581 | 505
PSEG Power [Member] | Other Revenues from Contracts with Customers [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [2] | 14 | 13 | 24 | 23
Other [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 134 | 125 | 265 | 262
Revenues Unrelated to Contracts with Customers | [1] | (47) | (2) | (37) | 8
Total Operating Revenues |  | 87 | 123 | 228 | 270
Other [Member] | LIPA OSA contract fixed component [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Anticipated Contract Revenues |  | 65 |  | 65 |
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] | 134 | 125 | 265 | 262
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 |  | (236) | (260) | (845) | (837)
Revenues Unrelated to Contracts with Customers | [1] | 0 | 0 | 0 | 0
Total Operating Revenues |  | (236) | (260) | (845) | (837)
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 |  | (3) | (4) | (6) | (7)
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 |  | (130) | (147) | (256) | (323)
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 |  | (102) | (108) | (581) | (505)
Eliminations [Member] | Other Revenues from Contracts with Customers [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [2] | $ (1) | $ (1) | $ (2) | $ (2)
[1] | Includes primarily alternative revenues at PSE&G, derivative contracts at PSEG Power, and lease contracts in Other.
[2] | Includes primarily revenues from appliance repair services at PSE&G, solar power projects and energy management and fuel service contracts with LIPA at PSEG Power, and PSEG LI’s OSA with LIPA in Other.

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