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Revenues - Disaggregation of Revenues (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | $ 2,560 | $ 2,182 | $ 5,947 | $ 4,884
Revenues Unrelated to Contracts with Customers | [1] | 245 | 241 | 80 | 299
Total Operating Revenues |  | 2,805 | 2,423 | 6,027 | 5,183
Eliminations [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | (146) | (125) | (680) | (570)
Revenues Unrelated to Contracts with Customers | [1] | 0 | 0 | 0 | 0
Total Operating Revenues | [2] | (146) | (125) | (680) | (570)
Electric Distribution [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 1,174 | 983 | 2,118 | 1,764
Electric Distribution [Member] | Eliminations [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
Gas Distribution [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 317 | 301 | 1,460 | 1,223
Gas Distribution [Member] | Eliminations [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
Transmission [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 443 | 436 | 882 | 872
Transmission [Member] | Eliminations [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
Electricity and Related Product Sales [Member] | Third-Party Sales [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 303 | 169 | 756 | 110
Electricity and Related Product Sales [Member] | Third-Party Sales [Member] | Eliminations [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
Electricity and Related Product Sales [Member] | Sales to Affiliates [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 |  | 0 | 0
Electricity and Related Product Sales [Member] | Sales to Affiliates [Member] | Eliminations [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | (16) | (26) | (48) | (56)
Gas Sales [Member] | Third-Party Sales [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 44 | 34 | 184 | 399
Gas Sales [Member] | Third-Party Sales [Member] | Eliminations [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
Gas Sales [Member] | Sales to Affiliates [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 |  | 0 | 0
Gas Sales [Member] | Sales to Affiliates [Member] | Eliminations [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | (128) | (97) | (629) | (511)
Other Revenues from Contracts with Customers [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [3] | 279 | 259 | 547 | 516
Other Revenues from Contracts with Customers [Member] | Eliminations [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [3] | (2) | (2) | (3) | (3)
Public Service Electric and Gas Company [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 2,031 | 1,812 | 4,648 | 4,035
Revenues Unrelated to Contracts with Customers | [1] | 0 | 51 | 47 | 161
Total Operating Revenues |  | 2,031 | 1,863 | 4,695 | 4,196
Public Service Electric and Gas Company [Member] | Electric Distribution [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 1,174 | 983 | 2,118 | 1,764
Public Service Electric and Gas Company [Member] | Gas Distribution [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 317 | 301 | 1,460 | 1,223
Public Service Electric and Gas Company [Member] | Transmission [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 443 | 436 | 882 | 872
Public Service Electric and Gas Company [Member] | Electricity and Related Product Sales [Member] | Third-Party Sales [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers |  | 0 | 0 | 0 | 0
Public Service Electric and Gas Company [Member] | Electricity and Related Product Sales [Member] | Sales to Affiliates [Member] | Operating Segments [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] | Operating Segments [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] | Operating Segments [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] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [3] | 97 | 92 | 188 | 176
PSEG Power & Other [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [4] | 675 | 495 | 1,979 | 1,419
Revenues Unrelated to Contracts with Customers | [1],[4] | 245 | 190 | 33 | 138
Total Operating Revenues | [4],[5] | 920 | 685 | 2,012 | 1,557
PSEG Power & Other [Member] | Electric Distribution [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [4] | 0 | 0 | 0 | 0
PSEG Power & Other [Member] | Gas Distribution [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [4] | 0 | 0 | 0 | 0
PSEG Power & Other [Member] | Transmission [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [4] | 0 | 0 | 0 | 0
PSEG Power & Other [Member] | Electricity and Related Product Sales [Member] | Third-Party Sales [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [4] | 303 | 169 | 756 | 110
PSEG Power & Other [Member] | Electricity and Related Product Sales [Member] | Sales to Affiliates [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [4] | 16 | 26 | 48 | 56
PSEG Power & Other [Member] | Gas Sales [Member] | Third-Party Sales [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [4] | 44 | 34 | 184 | 399
PSEG Power & Other [Member] | Gas Sales [Member] | Sales to Affiliates [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [4] | 128 | 97 | 629 | 511
PSEG Power & Other [Member] | Other Revenues from Contracts with Customers [Member] | Operating Segments [Member] |  |  |  |  |
Revenues [Line Items] |  |  |  |  |
Revenue from Contract with Customers | [3],[4] | $ 184 | $ 169 | $ 362 | $ 343
[1] | Includes alternative revenues at PSE&G, including CIP, Green Program Recovery Charge (GPRC) and transmission over or under recoveries, which are authorized to be collected or refunded in future periods, and 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 2. Revenues and Note 17. Related-Party Transactions.
[3] | 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 LI’s OSA with LIPA and PSEG Power’s energy management fee with LIPA.
[4] | Includes revenues applicable to PSEG Power, PSEG LI and Energy Holdings.
[5] | PSEG Power & Other results include net after-tax gains (losses) of $136 million and $114 million for the three months and $1 million and $(72) million for the six months ended June 30, 2025 and 2024, respectively, related to the impacts of non-trading commodity mark-to-market activity, which consists of the financial impact from positions with future delivery dates.

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Name: | us-gaap_StatementBusinessSegmentsAxis=peg_PSEGPowerOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |