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Guarantees of Debt | 3 Months Ended
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Mar. 31, 2016
Debt Instrument [Line Items] |
Guarantees of Debt | Guarantees of Debt Each series of Power’s Senior Notes, Pollution Control Notes and its syndicated revolving credit facilities are fully and unconditionally and jointly and severally guaranteed by its subsidiaries, PSEG Fossil LLC, PSEG Nuclear LLC and PSEG Energy Resources & Trade LLC. The following tables present condensed financial information for the guarantor subsidiaries, as well as Power’s non-guarantor subsidiaries as of March 31, 2016 and December 31, 2015 and for the three months ended March 31, 2016 and 2015.
|  | Power |  | Guarantor Subsidiaries |  | Other Subsidiaries |  | Consolidating Adjustments |  | Total |
|  | Millions |
| Three Months Ended March 31, 2016 |  |  |  |  |  |  |  |  |  |
| Operating Revenues | $ | — |  |  | $ | 1,302 |  |  | $ | 42 |  |  | $ | (31 | ) |  | $ | 1,313 |  |
| Operating Expenses | 10 |  |  | 952 |  |  | 39 |  |  | (31 | ) |  | 970 |  |
| Operating Income (Loss) | (10 | ) |  | 350 |  |  | 3 |  |  | — |  |  | 343 |  |
| Equity Earnings (Losses) of Subsidiaries | 205 |  |  | (1 | ) |  | 2 |  |  | (204 | ) |  | 2 |  |
| Other Income | 17 |  |  | 32 |  |  | — |  |  | (23 | ) |  | 26 |  |
| Other Deductions | — |  |  | (18 | ) |  | — |  |  | — |  |  | (18 | ) |
| Other-Than-Temporary Impairments | — |  |  | (10 | ) |  | — |  |  | — |  |  | (10 | ) |
| Interest Expense | (30 | ) |  | (10 | ) |  | (5 | ) |  | 23 |  |  | (22 | ) |
| Income Tax Benefit (Expense) | 10 |  |  | (140 | ) |  | 1 |  |  | — |  |  | (129 | ) |
| Net Income (Loss) | $ | 192 |  |  | $ | 203 |  |  | $ | 1 |  |  | $ | (204 | ) |  | $ | 192 |  |
| Comprehensive Income (Loss) | $ | 215 |  |  | $ | 219 |  |  | $ | 1 |  |  | $ | (220 | ) |  | $ | 215 |  |
| Three Months Ended March 31, 2016 |  |  |  |  |  |  |  |  |  |
| Net Cash Provided By (Used In) Operating Activities | $ | 271 |  |  | $ | 480 |  |  | $ | 47 |  |  | $ | (135 | ) |  | $ | 663 |  |
| Net Cash Provided By (Used In) Investing Activities | $ | (598 | ) |  | $ | (428 | ) |  | $ | (246 | ) |  | $ | 613 |  |  | $ | (659 | ) |
| Net Cash Provided By (Used In) Financing Activities | $ | 326 |  |  | $ | (51 | ) |  | $ | 203 |  |  | $ | (478 | ) |  | $ | — |  |
|  | Power |  | Guarantor Subsidiaries |  | Other Subsidiaries |  | Consolidating Adjustments |  | Total |
|  | Millions |
| Three Months Ended March 31, 2015 |  |  |  |  |  |  |  |  |  |
| Operating Revenues | $ | — |  |  | $ | 1,715 |  |  | $ | 68 |  |  | $ | (58 | ) |  | $ | 1,725 |  |
| Operating Expenses | 5 |  |  | 1,131 |  |  | 63 |  |  | (58 | ) |  | 1,141 |  |
| Operating Income (Loss) | (5 | ) |  | 584 |  |  | 5 |  |  | — |  |  | 584 |  |
| Equity Earnings (Losses) of Subsidiaries | 349 |  |  | (1 | ) |  | 3 |  |  | (348 | ) |  | 3 |  |
| Other Income | 11 |  |  | 30 |  |  | — |  |  | (12 | ) |  | 29 |  |
| Other Deductions | — |  |  | (11 | ) |  | — |  |  | — |  |  | (11 | ) |
| Other-Than-Temporary Impairments | — |  |  | (5 | ) |  | — |  |  | — |  |  | (5 | ) |
| Interest Expense | (29 | ) |  | (9 | ) |  | (5 | ) |  | 12 |  |  | (31 | ) |
| Income Tax Benefit (Expense) | 9 |  |  | (242 | ) |  | (1 | ) |  | — |  |  | (234 | ) |
| Net Income (Loss) | $ | 335 |  |  | $ | 346 |  |  | $ | 2 |  |  | $ | (348 | ) |  | $ | 335 |  |
| Comprehensive Income (Loss) | $ | 347 |  |  | $ | 351 |  |  | $ | 2 |  |  | $ | (353 | ) |  | $ | 347 |  |
| Three Months Ended March 31, 2015 |  |  |  |  |  |  |  |  |  |
| Net Cash Provided By (Used In) Operating Activities | $ | 327 |  |  | $ | 772 |  |  | $ | 11 |  |  | $ | (260 | ) |  | $ | 850 |  |
| Net Cash Provided By (Used In) Investing Activities | $ | (537 | ) |  | $ | (515 | ) |  | $ | (13 | ) |  | $ | 430 |  |  | $ | (635 | ) |
| Net Cash Provided By (Used In) Financing Activities | $ | 210 |  |  | $ | (242 | ) |  | $ | 2 |  |  | $ | (170 | ) |  | $ | (200 | ) |
|  | Power |  | Guarantor Subsidiaries |  | Other Subsidiaries |  | Consolidating Adjustments |  | Total |
|  | Millions |
| As of March 31, 2016 |  |  |  |  |  |  |  |  |  |
| Current Assets | $ | 4,819 |  |  | $ | 1,934 |  |  | $ | 283 |  |  | $ | (5,005 | ) |  | $ | 2,031 |  |
| Property, Plant and Equipment, net | 88 |  |  | 6,465 |  |  | 1,773 |  |  | — |  |  | 8,326 |  |
| Investment in Subsidiaries | 4,615 |  |  | 345 |  |  | — |  |  | (4,960 | ) |  | — |  |
| Noncurrent Assets | 138 |  |  | 2,046 |  |  | 133 |  |  | (57 | ) |  | 2,260 |  |
| Total Assets | $ | 9,660 |  |  | $ | 10,790 |  |  | $ | 2,189 |  |  | $ | (10,022 | ) |  | $ | 12,617 |  |
| Current Liabilities | $ | 1,316 |  |  | $ | 3,809 |  |  | $ | 1,192 |  |  | $ | (5,005 | ) |  | $ | 1,312 |  |
| Noncurrent Liabilities | 441 |  |  | 2,637 |  |  | 382 |  |  | (57 | ) |  | 3,403 |  |
| Long-Term Debt | 1,685 |  |  | — |  |  | — |  |  | — |  |  | 1,685 |  |
| Member's Equity | 6,218 |  |  | 4,344 |  |  | 615 |  |  | (4,960 | ) |  | 6,217 |  |
| Total Liabilities and Member's Equity | $ | 9,660 |  |  | $ | 10,790 |  |  | $ | 2,189 |  |  | $ | (10,022 | ) |  | $ | 12,617 |  |
| As of December 31, 2015 |  |  |  |  |  |  |  |  |  |
| Current Assets | $ | 4,501 |  |  | $ | 1,912 |  |  | $ | 364 |  |  | $ | (4,828 | ) |  | $ | 1,949 |  |
| Property, Plant and Equipment, net | 83 |  |  | 6,502 |  |  | 1,542 |  |  | — |  |  | 8,127 |  |
| Investment in Subsidiaries | 4,501 |  |  | 346 |  |  | — |  |  | (4,847 | ) |  | — |  |
| Noncurrent Assets | 155 |  |  | 1,959 |  |  | 136 |  |  | (76 | ) |  | 2,174 |  |
| Total Assets | $ | 9,240 |  |  | $ | 10,719 |  |  | $ | 2,042 |  |  | $ | (9,751 | ) |  | $ | 12,250 |  |
| Current Liabilities | $ | 1,112 |  |  | $ | 3,866 |  |  | $ | 1,076 |  |  | $ | (4,828 | ) |  | $ | 1,226 |  |
| Noncurrent Liabilities | 442 |  |  | 2,597 |  |  | 375 |  |  | (76 | ) |  | 3,338 |  |
| Long-Term Debt | 1,684 |  |  | — |  |  | — |  |  | — |  |  | 1,684 |  |
| Member's Equity | 6,002 |  |  | 4,256 |  |  | 591 |  |  | (4,847 | ) |  | 6,002 |  |
| Total Liabilities and Member's Equity | $ | 9,240 |  |  | $ | 10,719 |  |  | $ | 2,042 |  |  | $ | (9,751 | ) |  | $ | 12,250 |  |
Power [Member] |
Debt Instrument [Line Items] |
Guarantees of Debt | Guarantees of Debt Each series of Power’s Senior Notes, Pollution Control Notes and its syndicated revolving credit facilities are fully and unconditionally and jointly and severally guaranteed by its subsidiaries, PSEG Fossil LLC, PSEG Nuclear LLC and PSEG Energy Resources & Trade LLC. The following tables present condensed financial information for the guarantor subsidiaries, as well as Power’s non-guarantor subsidiaries as of March 31, 2016 and December 31, 2015 and for the three months ended March 31, 2016 and 2015.
|  | Power |  | Guarantor Subsidiaries |  | Other Subsidiaries |  | Consolidating Adjustments |  | Total |
|  | Millions |
| Three Months Ended March 31, 2016 |  |  |  |  |  |  |  |  |  |
| Operating Revenues | $ | — |  |  | $ | 1,302 |  |  | $ | 42 |  |  | $ | (31 | ) |  | $ | 1,313 |  |
| Operating Expenses | 10 |  |  | 952 |  |  | 39 |  |  | (31 | ) |  | 970 |  |
| Operating Income (Loss) | (10 | ) |  | 350 |  |  | 3 |  |  | — |  |  | 343 |  |
| Equity Earnings (Losses) of Subsidiaries | 205 |  |  | (1 | ) |  | 2 |  |  | (204 | ) |  | 2 |  |
| Other Income | 17 |  |  | 32 |  |  | — |  |  | (23 | ) |  | 26 |  |
| Other Deductions | — |  |  | (18 | ) |  | — |  |  | — |  |  | (18 | ) |
| Other-Than-Temporary Impairments | — |  |  | (10 | ) |  | — |  |  | — |  |  | (10 | ) |
| Interest Expense | (30 | ) |  | (10 | ) |  | (5 | ) |  | 23 |  |  | (22 | ) |
| Income Tax Benefit (Expense) | 10 |  |  | (140 | ) |  | 1 |  |  | — |  |  | (129 | ) |
| Net Income (Loss) | $ | 192 |  |  | $ | 203 |  |  | $ | 1 |  |  | $ | (204 | ) |  | $ | 192 |  |
| Comprehensive Income (Loss) | $ | 215 |  |  | $ | 219 |  |  | $ | 1 |  |  | $ | (220 | ) |  | $ | 215 |  |
| Three Months Ended March 31, 2016 |  |  |  |  |  |  |  |  |  |
| Net Cash Provided By (Used In) Operating Activities | $ | 271 |  |  | $ | 480 |  |  | $ | 47 |  |  | $ | (135 | ) |  | $ | 663 |  |
| Net Cash Provided By (Used In) Investing Activities | $ | (598 | ) |  | $ | (428 | ) |  | $ | (246 | ) |  | $ | 613 |  |  | $ | (659 | ) |
| Net Cash Provided By (Used In) Financing Activities | $ | 326 |  |  | $ | (51 | ) |  | $ | 203 |  |  | $ | (478 | ) |  | $ | — |  |
|  | Power |  | Guarantor Subsidiaries |  | Other Subsidiaries |  | Consolidating Adjustments |  | Total |
|  | Millions |
| Three Months Ended March 31, 2015 |  |  |  |  |  |  |  |  |  |
| Operating Revenues | $ | — |  |  | $ | 1,715 |  |  | $ | 68 |  |  | $ | (58 | ) |  | $ | 1,725 |  |
| Operating Expenses | 5 |  |  | 1,131 |  |  | 63 |  |  | (58 | ) |  | 1,141 |  |
| Operating Income (Loss) | (5 | ) |  | 584 |  |  | 5 |  |  | — |  |  | 584 |  |
| Equity Earnings (Losses) of Subsidiaries | 349 |  |  | (1 | ) |  | 3 |  |  | (348 | ) |  | 3 |  |
| Other Income | 11 |  |  | 30 |  |  | — |  |  | (12 | ) |  | 29 |  |
| Other Deductions | — |  |  | (11 | ) |  | — |  |  | — |  |  | (11 | ) |
| Other-Than-Temporary Impairments | — |  |  | (5 | ) |  | — |  |  | — |  |  | (5 | ) |
| Interest Expense | (29 | ) |  | (9 | ) |  | (5 | ) |  | 12 |  |  | (31 | ) |
| Income Tax Benefit (Expense) | 9 |  |  | (242 | ) |  | (1 | ) |  | — |  |  | (234 | ) |
| Net Income (Loss) | $ | 335 |  |  | $ | 346 |  |  | $ | 2 |  |  | $ | (348 | ) |  | $ | 335 |  |
| Comprehensive Income (Loss) | $ | 347 |  |  | $ | 351 |  |  | $ | 2 |  |  | $ | (353 | ) |  | $ | 347 |  |
| Three Months Ended March 31, 2015 |  |  |  |  |  |  |  |  |  |
| Net Cash Provided By (Used In) Operating Activities | $ | 327 |  |  | $ | 772 |  |  | $ | 11 |  |  | $ | (260 | ) |  | $ | 850 |  |
| Net Cash Provided By (Used In) Investing Activities | $ | (537 | ) |  | $ | (515 | ) |  | $ | (13 | ) |  | $ | 430 |  |  | $ | (635 | ) |
| Net Cash Provided By (Used In) Financing Activities | $ | 210 |  |  | $ | (242 | ) |  | $ | 2 |  |  | $ | (170 | ) |  | $ | (200 | ) |
|  | Power |  | Guarantor Subsidiaries |  | Other Subsidiaries |  | Consolidating Adjustments |  | Total |
|  | Millions |
| As of March 31, 2016 |  |  |  |  |  |  |  |  |  |
| Current Assets | $ | 4,819 |  |  | $ | 1,934 |  |  | $ | 283 |  |  | $ | (5,005 | ) |  | $ | 2,031 |  |
| Property, Plant and Equipment, net | 88 |  |  | 6,465 |  |  | 1,773 |  |  | — |  |  | 8,326 |  |
| Investment in Subsidiaries | 4,615 |  |  | 345 |  |  | — |  |  | (4,960 | ) |  | — |  |
| Noncurrent Assets | 138 |  |  | 2,046 |  |  | 133 |  |  | (57 | ) |  | 2,260 |  |
| Total Assets | $ | 9,660 |  |  | $ | 10,790 |  |  | $ | 2,189 |  |  | $ | (10,022 | ) |  | $ | 12,617 |  |
| Current Liabilities | $ | 1,316 |  |  | $ | 3,809 |  |  | $ | 1,192 |  |  | $ | (5,005 | ) |  | $ | 1,312 |  |
| Noncurrent Liabilities | 441 |  |  | 2,637 |  |  | 382 |  |  | (57 | ) |  | 3,403 |  |
| Long-Term Debt | 1,685 |  |  | — |  |  | — |  |  | — |  |  | 1,685 |  |
| Member's Equity | 6,218 |  |  | 4,344 |  |  | 615 |  |  | (4,960 | ) |  | 6,217 |  |
| Total Liabilities and Member's Equity | $ | 9,660 |  |  | $ | 10,790 |  |  | $ | 2,189 |  |  | $ | (10,022 | ) |  | $ | 12,617 |  |
| As of December 31, 2015 |  |  |  |  |  |  |  |  |  |
| Current Assets | $ | 4,501 |  |  | $ | 1,912 |  |  | $ | 364 |  |  | $ | (4,828 | ) |  | $ | 1,949 |  |
| Property, Plant and Equipment, net | 83 |  |  | 6,502 |  |  | 1,542 |  |  | — |  |  | 8,127 |  |
| Investment in Subsidiaries | 4,501 |  |  | 346 |  |  | — |  |  | (4,847 | ) |  | — |  |
| Noncurrent Assets | 155 |  |  | 1,959 |  |  | 136 |  |  | (76 | ) |  | 2,174 |  |
| Total Assets | $ | 9,240 |  |  | $ | 10,719 |  |  | $ | 2,042 |  |  | $ | (9,751 | ) |  | $ | 12,250 |  |
| Current Liabilities | $ | 1,112 |  |  | $ | 3,866 |  |  | $ | 1,076 |  |  | $ | (4,828 | ) |  | $ | 1,226 |  |
| Noncurrent Liabilities | 442 |  |  | 2,597 |  |  | 375 |  |  | (76 | ) |  | 3,338 |  |
| Long-Term Debt | 1,684 |  |  | — |  |  | — |  |  | — |  |  | 1,684 |  |
| Member's Equity | 6,002 |  |  | 4,256 |  |  | 591 |  |  | (4,847 | ) |  | 6,002 |  |
| Total Liabilities and Member's Equity | $ | 9,240 |  |  | $ | 10,719 |  |  | $ | 2,042 |  |  | $ | (9,751 | ) |  | $ | 12,250 |  |

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