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Financial Information By Business Segments (Financial Information By Business Segments) (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating Revenues |  | $ 9,800 |  | $ 9,722 | $ 9,603 |
Depreciation and Amortization |  | 1,100 |  | 1,216 | 1,285 |
Operating Income (Loss) |  | 1,381 |  | (856) | 2,270 |
Income from Equity Method Investments |  | 14 |  | 16 | 14 |
Interest Income |  | 31 |  | 20 | 25 |
Interest Expense |  | (628) |  | (571) | (600) |
Income (Loss) before Income Taxes |  | 1,002 |  | (1,089) | 2,301 |
Income Tax Expense (Benefit) |  | (29) |  | (441) | 396 |
Net Income (Loss) | [1] | 1,031 |  | (648) | 1,905 |
Gross Additions to Long-Lived Assets |  | 2,888 |  | 2,719 | 2,923 |
Total Assets |  | 48,718 |  | 48,999 | 50,050 |
Investments in Equity Method Subsidiaries |  | 306 |  | 173 | 64 |
Public Service Electric and Gas Company |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating Revenues |  | 7,935 |  | 7,122 | 6,608 |
PSEG Power & Other |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating Revenues | [2] | 3,266 |  | 3,767 | 4,229 |
Gain (loss) on sale, net of tax |  | (92) |  | (2,158) | 86 |
Retained Earnings [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net Income (Loss) |  | 1,031 |  | (648) | 1,905 |
Operating Segments [Member] | Public Service Electric and Gas Company |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating Revenues |  | 7,935 |  | 7,122 | 6,608 |
Depreciation and Amortization |  | 935 |  | 928 | 887 |
Operating Income (Loss) |  | 1,892 |  | 1,818 | 1,639 |
Income from Equity Method Investments |  | 0 |  | 0 | 0 |
Interest Income |  | 19 |  | 14 | 17 |
Interest Expense |  | (427) |  | (402) | (388) |
Income (Loss) before Income Taxes |  | 1,832 |  | 1,770 | 1,567 |
Income Tax Expense (Benefit) |  | 267 |  | 324 | 240 |
Net Income (Loss) |  | 1,565 |  | 1,446 | 1,327 |
Gross Additions to Long-Lived Assets |  | 2,590 |  | 2,447 | 2,507 |
Total Assets |  | 39,960 |  | 37,198 | 35,581 |
Investments in Equity Method Subsidiaries |  | 0 |  | 0 | 0 |
Operating Segments [Member] | PSEG Power & Other |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating Revenues |  | 3,266 |  | 3,767 | 4,229 |
Depreciation and Amortization |  | 165 |  | 288 | 398 |
Operating Income (Loss) |  | (511) |  | (2,674) | 631 |
Income from Equity Method Investments |  | 14 |  | 16 | 14 |
Interest Income |  | 13 |  | 6 | 10 |
Interest Expense |  | (202) |  | (169) | (214) |
Income (Loss) before Income Taxes |  | (830) |  | (2,859) | 734 |
Income Tax Expense (Benefit) |  | (296) |  | (765) | 156 |
Net Income (Loss) | [1] | (534) |  | (2,094) | 578 |
Gross Additions to Long-Lived Assets |  | 298 |  | 272 | 416 |
Total Assets |  | 9,285 |  | 12,258 | 14,988 |
Investments in Equity Method Subsidiaries |  | 306 |  | 173 | 64 |
non trading commodity mark to market gains (losses), net of tax |  | (457) |  | (446) | (58) |
Eliminations [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating Revenues | [3] | (1,401) |  | (1,167) | (1,234) |
Depreciation and Amortization | [3] | 0 |  | 0 | 0 |
Operating Income (Loss) | [3] | 0 |  | 0 | 0 |
Income from Equity Method Investments | [3] | 0 |  | 0 | 0 |
Interest Income | [3] | (1) |  | 0 | (2) |
Interest Expense | [3] | 1 |  | 0 | 2 |
Income (Loss) before Income Taxes | [3] | 0 |  | 0 | 0 |
Income Tax Expense (Benefit) | [3] | 0 |  | 0 | 0 |
Net Income (Loss) | [3] | 0 |  | 0 | 0 |
Gross Additions to Long-Lived Assets |  | 0 | [3] | 0 | 0 | [3]
Total Assets | [3] | (527) |  | (457) | (519) |
Investments in Equity Method Subsidiaries | [3] | $ 0 |  | $ 0 | $ 0 |
[1] | Include after-tax impairments of $92 million related to certain Energy Holdings investments and additional adjustments related to the sale of PSEG Power’s fossil generation assets in the year ended December 31, 2022. Includes after-tax impairment losses and other charges, including debt extinguishment costs, related to the sale of the fossil generating assets at PSEG Power of $2,158 million in the year ended December 31, 2021. Includes an after-tax gain of $86 million in the year ended December 31, 2020 related to the sale of PSEG Power’s interest in the Yards Creek generation facility. See Note 4. Early Plant Retirements/Asset Dispositions and Impairments for additional information.(C)Includes net after-tax losses of $457 million, $446 million and $58 million in the years ended December 31, 2022, 2021 and 2020, respectively at PSEG Power related to the impacts of non-trading commodity mark-to-market activity, which consists of the financial impact from positions with future delivery dates.
[2] | Includes revenues applicable to PSEG Power, PSEG LI and Energy Holdings.
[3] | 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.

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