v3.26.1
Revenues - Disaggregation of Revenues (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Revenues [Line Items]    
Revenue from Contract with Customers $ 4,157 $ 3,387
Revenues Unrelated to Contracts with Customers [1] (309) (165)
Total Operating Revenues 3,848 3,222
Eliminations [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers (653) (534)
Revenues Unrelated to Contracts with Customers [1] 0 0
Total Operating Revenues [2] (653) (534)
Electric Distribution [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 1,174 944
Electric Distribution [Member] | Eliminations [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 0 0
Gas Distribution [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 1,357 1,143
Gas Distribution [Member] | Eliminations [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 0 0
Transmission [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 454 439
Transmission [Member] | Eliminations [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 0 0
Electricity and Related Product Sales [Member] | Third-Party Sales [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 729 453
Electricity and Related Product Sales [Member] | Third-Party Sales [Member] | Eliminations [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 0 0
Electricity and Related Product Sales [Member] | Sales to Affiliates [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 0 0
Electricity and Related Product Sales [Member] | Sales to Affiliates [Member] | Eliminations [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 0 (32)
Gas Sales [Member] | Third-Party Sales [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 177 140
Gas Sales [Member] | Third-Party Sales [Member] | Eliminations [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 0 0
Gas Sales [Member] | Sales to Affiliates [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 0 0
Gas Sales [Member] | Sales to Affiliates [Member] | Eliminations [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers (652) (501)
Other Revenues from Contracts with Customers [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers [3] 266 268
Other Revenues from Contracts with Customers [Member] | Eliminations [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers [3] (1) (1)
Public Service Electric and Gas Company [Member] | Operating Segments [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 3,078 2,617
Revenues Unrelated to Contracts with Customers [1] 7 47
Total Operating Revenues 3,085 2,664
Public Service Electric and Gas Company [Member] | Electric Distribution [Member] | Operating Segments [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 1,174 944
Public Service Electric and Gas Company [Member] | Gas Distribution [Member] | Operating Segments [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 1,357 1,143
Public Service Electric and Gas Company [Member] | Transmission [Member] | Operating Segments [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers 454 439
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
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
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
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
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] 93 91
PSEG Power & Other [Member] | Operating Segments [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers [4] 1,732 1,304
Revenues Unrelated to Contracts with Customers [1],[4] (316) (212)
Total Operating Revenues [4],[5] 1,416 1,092
PSEG Power & Other [Member] | Electric Distribution [Member] | Operating Segments [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers [4] 0 0
PSEG Power & Other [Member] | Gas Distribution [Member] | Operating Segments [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers [4] 0 0
PSEG Power & Other [Member] | Transmission [Member] | Operating Segments [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers [4] 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] 729 453
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] 0 32
PSEG Power & Other [Member] | Gas Sales [Member] | Third-Party Sales [Member] | Operating Segments [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers [4] 177 140
PSEG Power & Other [Member] | Gas Sales [Member] | Sales to Affiliates [Member] | Operating Segments [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers [4] 652 501
PSEG Power & Other [Member] | Other Revenues from Contracts with Customers [Member] | Operating Segments [Member]    
Revenues [Line Items]    
Revenue from Contract with Customers [3],[4] $ 174 $ 178
[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 the 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 $(30) million and $(135) million for the three months ended March 31, 2026 and 2025, 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.