v3.26.1
Financial Information By Business Segment - Financial Information By Business Segment (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment Reporting Information [Line Items]      
Operating Revenues $ 3,848 $ 3,222  
Energy Costs 1,507 1,186  
Controllable Operation and Maintenance [1] 502 533  
Depreciation and Amortization 329 320  
Interest Income 10 8  
Interest Expense 272 241  
Income Tax Expense (Benefit) 107 28  
Other Segment Items [2] 400 333  
Net Income (Loss) 741 589  
Gross Additions to Long-Lived Assets 693 628  
Total Assets 57,945   $ 57,576
Investments in Equity Method Subsidiaries 28   26
Operating Segments [Member] | Public Service Electric and Gas Company [Member]      
Segment Reporting Information [Line Items]      
Operating Revenues 3,085 2,664  
Energy Costs 1,358 1,094  
Controllable Operation and Maintenance [1] 364 354  
Depreciation and Amortization 295 280  
Interest Income 7 4  
Interest Expense 175 157  
Income Tax Expense (Benefit) 79 44  
Other Segment Items [2] 244 193  
Net Income (Loss) 577 546  
Gross Additions to Long-Lived Assets 621 605  
Total Assets 49,703   49,024
Investments in Equity Method Subsidiaries 0   0
Operating Segments [Member] | PSEG Power & Other [Member]      
Segment Reporting Information [Line Items]      
Operating Revenues [3],[4] 1,416 1,092  
Energy Costs [4] 802 626  
Controllable Operation and Maintenance [1],[4] 138 179  
Depreciation and Amortization [4] 34 40  
Interest Income [4] 3 5  
Interest Expense [4] 97 85  
Income Tax Expense (Benefit) [4] 28 (16)  
Other Segment Items [2],[4] 156 140  
Net Income (Loss) [4] 164 43  
Gross Additions to Long-Lived Assets [4] 72 54  
Total Assets [4] 8,754   9,067
Investments in Equity Method Subsidiaries [4] 28   26
Eliminations [Member]      
Segment Reporting Information [Line Items]      
Operating Revenues [5] (653) (534)  
Energy Costs [5] (653) (534)  
Controllable Operation and Maintenance [1],[5] 0 0  
Depreciation and Amortization [5] 0 0  
Interest Income [5] (0) (1)  
Interest Expense [5] (0) (1)  
Income Tax Expense (Benefit) [5] 0 0  
Other Segment Items [2],[5] 0 0  
Net Income (Loss) [5] 0 0  
Gross Additions to Long-Lived Assets [5] (0) $ (31)  
Total Assets [5] (512)   (515)
Investments in Equity Method Subsidiaries [5] $ 0   $ 0
[1] Controllable Operation and Maintenance expense includes amounts for labor and benefit costs, materials, outside services and other normal operational costs, including intersegment amounts, and is the significant expense information that is regularly provided to the Chief Operating Decision Maker (the Chief Executive Officer (CEO) for PSEG and PSE&G).
[2] Other Segment Items include all other items to reconcile to Net Income. This includes all other O&M (primarily related to clause related expenditures at PSE&G and expenditures for transactions in which Servco acts as principal and controls the services provided to LIPA at PSEG Power & Other, each of which offset corresponding revenue amounts in those segments), non-operating pension and OPEB credits and costs, gains and losses on trust investments and other income and deductions.
[3] Includes revenues applicable to PSEG Power, PSEG LI and Energy Holdings.
[4] 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.
[5] 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.