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Revenues (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($) $ / mwd MW | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Revenue from Contract with Customer, Including Assessed Tax |  | $ 9,254 |  | $ 11,231 | $ 10,315 |
Revenues Unrelated to Contracts with Customers | [1] | 1,983 |  | (1,431) | (593) |
Operating Revenues |  | 11,237 |  | 9,800 | 9,722 |
Regulatory Assets |  | 5,157 |  | 4,404 |  |
Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | (1,103) |  | (1,401) | (1,167) |
Revenues Unrelated to Contracts with Customers |  | 0 | [1] | 0 | 0 | [1]
Operating Revenues | [2] | (1,103) |  | (1,401) | (1,167) |
Public Service Electric and Gas Company |  |  |  |  |  |
Operating Revenues |  | 7,807 |  | 7,935 | 7,122 |
Accounts Receivable and Unbilled Revenues, Allowance for Credit Losses |  | 283 |  |  |  |
Provision for Other Credit Losses |  | 100 |  | 114 |  |
Accounts Receivable, Allowance for Credit Loss, Writeoff |  | (156) |  | (112) |  |
Accounts Receivable, Allowance for Credit Loss, Recovery |  | 25 |  | 46 |  |
Accounts Receivable, Allowance for Credit Loss |  |  |  | 339 |  |
Regulatory Assets |  | 5,430 |  | 4,773 |  |
Regulatory Assets |  | 5,157 |  | 4,404 |  |
Public Service Electric and Gas Company | Societal Benefits Charges Sbc [Member] |  |  |  |  |  |
Regulatory Assets |  | 149 |  | 145 |  |
Public Service Electric and Gas Company | COVID-19 Deferral - Bad Debt portion [Member] |  |  |  |  |  |
Regulatory Assets |  | 68 |  |  |  |
Public Service Electric and Gas Company | Electric Bad Debt Deferral | Societal Benefits Charges Sbc [Member] |  |  |  |  |  |
Regulatory Assets |  | $ 149 |  |  |  |
Public Service Electric and Gas Company | Cumulative Effect, Period of Adoption, Adjusted Balance |  |  |  |  |  |
Accounts Receivable and Unbilled Revenues, Allowance for Credit Losses |  |  |  | $ 339 | 337 |
Public Service Electric and Gas Company |  |  |  |  |  |
Allowances percentage of accounts receivable |  | 18.00% |  | 20.00% |  |
Public Service Electric and Gas Company | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | $ 7,517 |  | $ 7,839 | 7,108 |
Revenues Unrelated to Contracts with Customers |  | 290 | [1] | 96 | 14 | [1]
Operating Revenues |  | 7,807 |  | 7,935 | 7,122 |
PSEG Power & Other | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | [3] | 2,840 |  | 4,793 | 4,374 |
Revenues Unrelated to Contracts with Customers |  | 1,693 | [1],[3] | (1,527) | (607) | [1],[3]
Operating Revenues | [3] | 4,533 |  | 3,266 | 3,767 |
LIPA OSA contract fixed component [Member] | Other [Member] |  |  |  |  |  |
Revenue, remaining performance obligation, amount |  | 44 |  |  |  |
Electric Distribution Contracts [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 3,494 |  | 3,503 | 3,279 |
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 | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 3,494 |  | 3,503 | 3,279 |
Electric Distribution Contracts [Member] | PSEG Power & Other | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | [3] | 0 | 0 | [3]
Gas Distribution Contracts [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 1,982 |  | 2,356 | 1,862 |
Gas Distribution Contracts [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 |  | (1) | (13) |
Gas Distribution Contracts [Member] | Public Service Electric and Gas Company | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 1,982 |  | 2,357 | 1,875 |
Gas Distribution Contracts [Member] | PSEG Power & Other | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | [3] | 0 | 0 | [3]
Transmission [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 1,673 |  | 1,589 | 1,611 |
Transmission [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 |  | 0 | 0 |
Transmission [Member] | Public Service Electric and Gas Company | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 1,673 |  | 1,589 | 1,611 |
Transmission [Member] | PSEG Power & Other | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 | [3] | 0 | 0 | [3]
Other Contract Revenues [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | [4] | 994 |  | 989 | 960 |
Other Contract Revenues [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | (5) | [4] | (6) | (3) | [4]
Other Contract Revenues [Member] | Public Service Electric and Gas Company | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 368 | [4] | 390 | 343 | [4]
Other Contract Revenues [Member] | PSEG Power & Other | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 631 | [3],[4] | 605 | 620 | [3],[4]
ISO New England [Member] | Electricity and Related Products [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 13 |  | 96 | 172 |
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 | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 |  | 0 | 0 |
ISO New England [Member] | Electricity and Related Products [Member] | PSEG Power & Other | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 13 | [3] | 96 | 172 | [3]
NY ISO [Member] | Electricity and Related Products [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  | 88 | 247 |
NY ISO [Member] | Electricity and Related Products [Member] | Intersegment Eliminations [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  | 0 | 0 |
NY ISO [Member] | Electricity and Related Products [Member] | Public Service Electric and Gas Company | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  | 0 | 0 |
NY ISO [Member] | Electricity and Related Products [Member] | PSEG Power & Other | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  | 88 | 247 | [3]
Third Party Sales [Member] | Natural Gas [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 206 |  | 458 | 181 |
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 | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 |  | 0 | 0 |
Third Party Sales [Member] | Natural Gas [Member] | PSEG Power & Other | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 206 | [3] | 458 | 181 | [3]
Third Party Sales [Member] | PJM [Member] | Electricity and Related Products [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 892 |  | 2,152 | 2,003 |
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 | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 |  | 0 | 0 |
Third Party Sales [Member] | PJM [Member] | Electricity and Related Products [Member] | PSEG Power & Other | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 892 | [3] | 2,152 | 2,003 | [3]
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 |  | (984) |  | (1,243) | (886) |
Sales to Affiliates [Member] | Natural Gas [Member] | Public Service Electric and Gas Company | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 |  | 0 | 0 |
Sales to Affiliates [Member] | Natural Gas [Member] | PSEG Power & Other | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 984 | [3] | 1,243 | 886 | [3]
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 |  | (114) |  | (151) | (265) |
Sales to Affiliates [Member] | PJM [Member] | Electricity and Related Products [Member] | Public Service Electric and Gas Company | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | 0 |  | 0 | 0 |
Sales to Affiliates [Member] | PJM [Member] | Electricity and Related Products [Member] | PSEG Power & Other | Operating Segments [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | $ 114 | [3] | $ 151 | $ 265 | [3]
June 2023 to May 2024 [Member] | PJM [Member] | PSEG Power LLC [Member] |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 50 |  |  |  |
Load (MW) | MW |  | 3,700 |  |  |  |
June 2024 to May 2025 | PJM [Member] | PSEG Power LLC [Member] |  |  |  |  |  |
Dollars Per Megawatt-Day | $ / mwd |  | 55 |  |  |  |
Load (MW) | MW |  | 3,500 |  |  |  |
[1] | Includes primarily alternative revenues at PSE&G principally from the CIP program in 2022 and 2023 and net realized and unrealized gains (losses) on derivative contracts and lease contracts at PSEG Power & Other.
[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 24. Related-Party Transactions.
[3] | Includes revenues applicable to PSEG Power, PSEG LI and Energy Holdings.
[4] | Includes primarily revenues from appliance repair services and the sale of solar renewable energy credits (SRECs) at auction at PSE&G. PSEG Power & Other includes PSEG Power’s energy management fee with LIPA and PSEG LI’s OSA with LIPA.

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