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Revenues Revenues (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) $ / mwd MW | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Jan. 01, 2020 USD ($)
Lease losses included in Revenues |  | $ 26 | $ 58 | $ 8 |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 9,099 | 9,308 | 9,337 |  |
Revenues Unrelated to Contracts with Customers | [1] | 504 | 768 | 359 |  |
Operating Revenues |  | 9,603 | 10,076 | 9,696 |  |
Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | (1,234) | (1,483) | (1,492) |  |
Revenues Unrelated to Contracts with Customers |  | 0 | 0 | 0 | [1] |
Operating Revenues | [2] | (1,234) | (1,483) | (1,492) |  |
Public Service Electric and Gas Company |  |  |  |  |  |
Operating Revenues |  | 6,608 | 6,625 | 6,471 |  |
Accounts Receivable and Unbilled Revenues, Allowance for Credit Losses |  | 206 |  |  |  |
Provision for Other Credit Losses |  | 175 | 87 |  |  |
Accounts Receivable, Allowance for Credit Loss, Writeoff |  | (37) | (90) |  |  |
Accounts Receivable, Allowance for Credit Loss, Recovery |  | 5 | 8 |  |  |
Accounts Receivable, Allowance for Credit Loss |  | 60 |  | 63 |  |
Public Service Electric and Gas Company | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |
Accounts Receivable and Unbilled Revenues, Allowance for Credit Losses |  |  |  |  |  | $ 8
Public Service Electric and Gas Company | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |
Accounts Receivable and Unbilled Revenues, Allowance for Credit Losses | [3] |  |  |  |  | $ 68
Public Service Electric and Gas Company |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 6,599 | 6,559 | 6,398 |  |
Revenues Unrelated to Contracts with Customers |  | 9 | 66 | 73 | [1] |
Operating Revenues |  | $ 6,608 | $ 6,625 | 6,471 |  |
Allowances percentage of accounts receivable |  | 14.00% | 6.00% |  |  |
PSEG Power LLC |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | $ 3,147 | $ 3,666 | 3,899 |  |
Revenues Unrelated to Contracts with Customers |  | 487 | 719 | 247 | [1] |
Operating Revenues |  | 3,634 | 4,385 | 4,146 |  |
Revenue, remaining performance obligation, amount |  | 146 |  |  |  |
Other [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 587 | 566 | 532 |  |
Revenues Unrelated to Contracts with Customers |  | 8 | (17) | 39 | [1] |
Operating Revenues |  | 595 | 549 | 571 |  |
LIPA OSA contract fixed component [Member] | Other [Member] |  |  |  |  |  |
Revenue, remaining performance obligation, amount |  | 68 |  |  |  |
Electric Distribution Contracts [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 3,130 | 3,224 | 3,131 |  |
Electric Distribution Contracts [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Electric Distribution Contracts [Member] | Public Service Electric and Gas Company |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 3,130 | 3,224 | 3,131 |  |
Electric Distribution Contracts [Member] | PSEG Power LLC |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Electric Distribution Contracts [Member] | Other [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Gas Distribution Contracts [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 1,634 | 1,855 | 1,738 |  |
Gas Distribution Contracts [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | (12) | (15) | (18) |  |
Gas Distribution Contracts [Member] | Public Service Electric and Gas Company |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 1,646 | 1,870 | 1,756 |  |
Gas Distribution Contracts [Member] | PSEG Power LLC |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Gas Distribution Contracts [Member] | Other [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Transmission [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 1,485 | 1,181 | 1,236 |  |
Transmission [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Transmission [Member] | Public Service Electric and Gas Company |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 1,485 | 1,181 | 1,236 |  |
Transmission [Member] | PSEG Power LLC |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Transmission [Member] | Other [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Other Contract Revenues [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | [4] | 966 | 891 | 847 |  |
Other Contract Revenues [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | (4) | (5) | (4) | [4] |
Other Contract Revenues [Member] | Public Service Electric and Gas Company |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 338 | 284 | 275 | [4] |
Other Contract Revenues [Member] | PSEG Power LLC |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 45 | 46 | 44 | [4] |
Other Contract Revenues [Member] | Other [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 587 | 566 | 532 | [4] |
ISO New England [Member] | Electricity and Related Products [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 126 | 137 | 92 |  |
ISO New England [Member] | Electricity and Related Products [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
ISO New England [Member] | Electricity and Related Products [Member] | Public Service Electric and Gas Company |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
ISO New England [Member] | Electricity and Related Products [Member] | PSEG Power LLC |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 126 | 137 | 92 |  |
ISO New England [Member] | Electricity and Related Products [Member] | Other [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
NY ISO [Member] | Electricity and Related Products [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 124 | 143 | 209 |  |
NY ISO [Member] | Electricity and Related Products [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
NY ISO [Member] | Electricity and Related Products [Member] | Public Service Electric and Gas Company |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
NY ISO [Member] | Electricity and Related Products [Member] | PSEG Power LLC |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 124 | 143 | 209 |  |
NY ISO [Member] | Electricity and Related Products [Member] | Other [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Third Party Sales [Member] | Natural Gas [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 83 | 92 | 151 |  |
Third Party Sales [Member] | Natural Gas [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Third Party Sales [Member] | Natural Gas [Member] | Public Service Electric and Gas Company |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Third Party Sales [Member] | Natural Gas [Member] | PSEG Power LLC |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 83 | 92 | 151 |  |
Third Party Sales [Member] | Natural Gas [Member] | Other [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Third Party Sales [Member] | PJM [Member] | Electricity and Related Products [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 1,551 | 1,785 | 1,933 |  |
Third Party Sales [Member] | PJM [Member] | Electricity and Related Products [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Third Party Sales [Member] | PJM [Member] | Electricity and Related Products [Member] | Public Service Electric and Gas Company |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Third Party Sales [Member] | PJM [Member] | Electricity and Related Products [Member] | PSEG Power LLC |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 1,551 | 1,785 | 1,933 |  |
Third Party Sales [Member] | PJM [Member] | Electricity and Related Products [Member] | Other [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Sales to Affiliates [Member] | Natural Gas [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Sales to Affiliates [Member] | Natural Gas [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | (771) | (927) | (861) |  |
Sales to Affiliates [Member] | Natural Gas [Member] | Public Service Electric and Gas Company |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Sales to Affiliates [Member] | Natural Gas [Member] | PSEG Power LLC |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 771 | 927 | 861 |  |
Sales to Affiliates [Member] | Natural Gas [Member] | Other [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Sales to Affiliates [Member] | PJM [Member] | Electricity and Related Products [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Sales to Affiliates [Member] | PJM [Member] | Electricity and Related Products [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | (447) | (536) | (609) |  |
Sales to Affiliates [Member] | PJM [Member] | Electricity and Related Products [Member] | Public Service Electric and Gas Company |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | 0 | 0 |  |
Sales to Affiliates [Member] | PJM [Member] | Electricity and Related Products [Member] | PSEG Power LLC |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 447 | 536 | 609 |  |
Sales to Affiliates [Member] | PJM [Member] | Electricity and Related Products [Member] | Other [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | $ 0 | $ 0 | $ 0 |  |
June 2019 to May 2020 [Member] | ISO New England [Member] | PSEG Power LLC |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 231 |  |  |  |
June 2020 to May 2021 [Member] | PJM [Member] | PSEG Power LLC |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 167 |  |  |  |
Load (MW) | MW |  | 7,600 |  |  |  |
June 2020 to May 2021 [Member] | ISO New England [Member] | PSEG Power LLC |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 195 |  |  |  |
Load (MW) | MW |  | 1,330 |  |  |  |
June 2021 to May 2022 [Member] | PJM [Member] | PSEG Power LLC |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 180 |  |  |  |
Load (MW) | MW |  | 7,000 |  |  |  |
June 2021 to May 2022 [Member] | ISO New England [Member] | PSEG Power LLC |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 192 |  |  |  |
Load (MW) | MW |  | 950 |  |  |  |
June 2022 to May 2023 [Member] | ISO New England [Member] | PSEG Power LLC |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 179 |  |  |  |
Load (MW) | MW |  | 950 |  |  |  |
June 2023 to May 2024 [Member] | ISO New England [Member] | PSEG Power LLC |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 152 |  |  |  |
Load (MW) | MW |  | 930 |  |  |  |
June 2024 to May 2025 [Member] | ISO New England [Member] | PSEG Power LLC |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 231 |  |  |  |
Load (MW) | MW |  | 480 |  |  |  |
June 2025 to May 2026 [Member] | ISO New England [Member] | PSEG Power LLC |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 231 |  |  |  |
Load (MW) | MW |  | 480 |  |  |  |
[1] | Includes primarily alternative revenues at PSE&G, derivative contracts and lease contracts at PSEG Power, and lease contracts in Other. For the years ended December 31, 2020, 2019 and 2018, Other includes losses of $26 million, $58 million and $8 million, respectively, related to Energy Holdings’ investments in leases. For additional information, see Note 9. Long-Term Investments.
[2] | Intercompany eliminations primarily relate to intercompany transactions between PSE&G and PSEG Power. For a further discussion of the intercompany transactions between PSE&G and PSEG Power, see Note 26. Related-Party Transactions.
[3] | Includes an $8 million pre-tax increase upon adoption of ASU 2016-13.
[4] | 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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