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Guarantees of Debt | 12 Months Ended
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Dec. 31, 2016
Guarantees of Debt [Line Items] |
Guarantees of Debt | Guarantees of Debt Power’s Senior Notes 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 December 31, 2016 and 2015 and for the years ended December 31, 2016, 2015 and 2014.
|  |  | Power |  | Guarantor Subsidiaries |  | Other Subsidiaries |  | Consolidating Adjustments |  | Total |
|  |  | Millions |
| Year Ended December 31, 2016 |  |  |  |  |  |  |  |  |  |  |
| Operating Revenues |  | $ | — |  |  | $ | 3,971 |  |  | $ | 173 |  |  | $ | (121 | ) |  | $ | 4,023 |  |
| Operating Expenses |  | 8 |  |  | 3,962 |  |  | 161 |  |  | (121 | ) |  | 4,010 |  |
| Operating Income (Loss) |  | (8 | ) |  | 9 |  |  | 12 |  |  | — |  |  | 13 |  |
| Equity Earnings (Losses) of Subsidiaries |  | 36 |  |  | (3 | ) |  | 11 |  |  | (33 | ) |  | 11 |  |
| Other Income |  | 71 |  |  | 120 |  |  | — |  |  | (89 | ) |  | 102 |  |
| Other Deductions |  | (18 | ) |  | (39 | ) |  | — |  |  | — |  |  | (57 | ) |
| Other-Than-Temporary Impairments |  | — |  |  | (28 | ) |  | — |  |  | — |  |  | (28 | ) |
| Interest Expense |  | (115 | ) |  | (40 | ) |  | (18 | ) |  | 89 |  |  | (84 | ) |
| Income Tax Benefit (Expense) |  | 52 |  |  | (11 | ) |  | 20 |  |  | — |  |  | 61 |  |
| Net Income (Loss) |  | $ | 18 |  |  | $ | 8 |  |  | $ | 25 |  |  | $ | (33 | ) |  | $ | 18 |  |
| Comprehensive Income (Loss) |  | $ | 47 |  |  | $ | 50 |  |  | $ | 25 |  |  | $ | (75 | ) |  | $ | 47 |  |
| As of December 31, 2016 |  |  |  |  |  |  |  |  |  |  |
| Current Assets |  | $ | 4,412 |  |  | $ | 1,593 |  |  | $ | 152 |  |  | $ | (4,697 | ) |  | $ | 1,460 |  |
| Property, Plant and Equipment, net |  | 55 |  |  | 6,145 |  |  | 2,320 |  |  | — |  |  | 8,520 |  |
| Investment in Subsidiaries |  | 4,249 |  |  | 344 |  |  | — |  |  | (4,593 | ) |  | — |  |
| Noncurrent Assets |  | 168 |  |  | 2,016 |  |  | 129 |  |  | (100 | ) |  | 2,213 |  |
| Total Assets |  | $ | 8,884 |  |  | $ | 10,098 |  |  | $ | 2,601 |  |  | $ | (9,390 | ) |  | $ | 12,193 |  |
| Current Liabilities |  | $ | 171 |  |  | $ | 3,752 |  |  | $ | 1,454 |  |  | $ | (4,697 | ) |  | $ | 680 |  |
| Noncurrent Liabilities |  | 532 |  |  | 2,398 |  |  | 502 |  |  | (100 | ) |  | 3,332 |  |
| Long-Term Debt |  | 2,382 |  |  | — |  |  | — |  |  | — |  |  | 2,382 |  |
| Member’s Equity |  | 5,799 |  |  | 3,948 |  |  | 645 |  |  | (4,593 | ) |  | 5,799 |  |
| Total Liabilities and Member’s Equity |  | $ | 8,884 |  |  | $ | 10,098 |  |  | $ | 2,601 |  |  | $ | (9,390 | ) |  | $ | 12,193 |  |
| Year Ended December 31, 2016 |  |  |  |  |  |  |  |  |  |  |
| Net Cash Provided By (Used In) Operating Activities |  | $ | 97 |  |  | $ | 1,442 |  |  | $ | 323 |  |  | $ | (607 | ) |  | $ | 1,255 |  |
| Net Cash Provided By (Used In) Investing Activities |  | $ | 60 |  |  | $ | (707 | ) |  | $ | (789 | ) |  | $ | 289 |  |  | $ | (1,147 | ) |
| Net Cash Provided By (Used In) Financing Activities |  | $ | (157 | ) |  | $ | (736 | ) |  | $ | 466 |  |  | $ | 318 |  |  | $ | (109 | ) |
|  |  | Power |  | Guarantor Subsidiaries |  | Other Subsidiaries |  | Consolidating Adjustments |  | Total |
|  |  | Millions |
| Year Ended December 31, 2015 |  |  |  |  |  |  |  |  |  |  |
| Operating Revenues |  | $ | — |  |  | $ | 4,883 |  |  | $ | 179 |  |  | $ | (134 | ) |  | $ | 4,928 |  |
| Operating Expenses |  | 12 |  |  | 3,451 |  |  | 169 |  |  | (134 | ) |  | 3,498 |  |
| Operating Income (Loss) |  | (12 | ) |  | 1,432 |  |  | 10 |  |  | — |  |  | 1,430 |  |
| Equity Earnings (Losses) of Subsidiaries |  | 906 |  |  | (4 | ) |  | 14 |  |  | (902 | ) |  | 14 |  |
| Other Income |  | 48 |  |  | 174 |  |  | — |  |  | (53 | ) |  | 169 |  |
| Other Deductions |  | (27 | ) |  | (45 | ) |  | — |  |  | — |  |  | (72 | ) |
| Other-Than-Temporary Impairments |  | — |  |  | (53 | ) |  | — |  |  | — |  |  | (53 | ) |
| Interest Expense |  | (116 | ) |  | (39 | ) |  | (19 | ) |  | 53 |  |  | (121 | ) |
| Income Tax Benefit (Expense) |  | 57 |  |  | (574 | ) |  | 6 |  |  | — |  |  | (511 | ) |
| Net Income (Loss) |  | $ | 856 |  |  | $ | 891 |  |  | $ | 11 |  |  | $ | (902 | ) |  | $ | 856 |  |
| Comprehensive Income (Loss) |  | $ | 844 |  |  | $ | 855 |  |  | $ | 11 |  |  | $ | (866 | ) |  | $ | 844 |  |
| 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 |  |
| Year Ended December 31, 2015 |  |  |  |  |  |  |  |  |  |  |
| Net Cash Provided By (Used In) Operating Activities |  | $ | 571 |  |  | $ | 2,089 |  |  | $ | 80 |  |  | $ | (1,034 | ) |  | $ | 1,706 |  |
| Net Cash Provided By (Used In) Investing Activities |  | $ | (366 | ) |  | $ | (1,519 | ) |  | $ | (430 | ) |  | $ | 1,314 |  |  | $ | (1,001 | ) |
| Net Cash Provided By (Used In) Financing Activities |  | $ | (205 | ) |  | $ | (571 | ) |  | $ | 354 |  |  | $ | (280 | ) |  | $ | (702 | ) |
|  |  | Power |  | Guarantor Subsidiaries |  | Other Subsidiaries |  | Consolidating Adjustments |  | Total |
|  |  | Millions |
| Year Ended December 31, 2014 |  |  |  |  |  |  |  |  |  |  |
| Operating Revenues |  | $ | — |  |  | $ | 5,390 |  |  | $ | 153 |  |  | $ | (109 | ) |  | $ | 5,434 |  |
| Operating Expenses |  | 16 |  |  | 4,175 |  |  | 143 |  |  | (109 | ) |  | 4,225 |  |
| Operating Income (Loss) |  | (16 | ) |  | 1,215 |  |  | 10 |  |  | — |  |  | 1,209 |  |
| Equity Earnings (Losses) of Subsidiaries |  | 799 |  |  | (5 | ) |  | 14 |  |  | (794 | ) |  | 14 |  |
| Other Income |  | 34 |  |  | 222 |  |  | — |  |  | (34 | ) |  | 222 |  |
| Other Deductions |  | (20 | ) |  | (32 | ) |  | — |  |  | — |  |  | (52 | ) |
| Other-Than-Temporary Impairments |  | — |  |  | (20 | ) |  | — |  |  | — |  |  | (20 | ) |
| Interest Expense |  | (102 | ) |  | (35 | ) |  | (19 | ) |  | 34 |  |  | (122 | ) |
| Income Tax Benefit (Expense) |  | 65 |  |  | (558 | ) |  | 2 |  |  | — |  |  | (491 | ) |
| Net Income (Loss) |  | $ | 760 |  |  | $ | 787 |  |  | $ | 7 |  |  | $ | (794 | ) |  | $ | 760 |  |
| Comprehensive Income (Loss) |  | $ | 595 |  |  | $ | 768 |  |  | $ | 7 |  |  | $ | (775 | ) |  | $ | 595 |  |
| Year Ended December 31, 2014 |  |  |  |  |  |  |  |  |  |  |
| Net Cash Provided By (Used In) Operating Activities |  | $ | 577 |  |  | $ | 1,674 |  |  | $ | 76 |  |  | $ | (902 | ) |  | $ | 1,425 |  |
| Net Cash Provided By (Used In) Investing Activities |  | $ | 148 |  |  | $ | (856 | ) |  | $ | (42 | ) |  | $ | 226 |  |  | $ | (524 | ) |
| Net Cash Provided By (Used In) Financing Activities |  | $ | (724 | ) |  | $ | (818 | ) |  | $ | (32 | ) |  | $ | 676 |  |  | $ | (898 | ) |
Power [Member] |
Guarantees of Debt [Line Items] |
Guarantees of Debt | Guarantees of Debt Power’s Senior Notes 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 December 31, 2016 and 2015 and for the years ended December 31, 2016, 2015 and 2014.
|  |  | Power |  | Guarantor Subsidiaries |  | Other Subsidiaries |  | Consolidating Adjustments |  | Total |
|  |  | Millions |
| Year Ended December 31, 2016 |  |  |  |  |  |  |  |  |  |  |
| Operating Revenues |  | $ | — |  |  | $ | 3,971 |  |  | $ | 173 |  |  | $ | (121 | ) |  | $ | 4,023 |  |
| Operating Expenses |  | 8 |  |  | 3,962 |  |  | 161 |  |  | (121 | ) |  | 4,010 |  |
| Operating Income (Loss) |  | (8 | ) |  | 9 |  |  | 12 |  |  | — |  |  | 13 |  |
| Equity Earnings (Losses) of Subsidiaries |  | 36 |  |  | (3 | ) |  | 11 |  |  | (33 | ) |  | 11 |  |
| Other Income |  | 71 |  |  | 120 |  |  | — |  |  | (89 | ) |  | 102 |  |
| Other Deductions |  | (18 | ) |  | (39 | ) |  | — |  |  | — |  |  | (57 | ) |
| Other-Than-Temporary Impairments |  | — |  |  | (28 | ) |  | — |  |  | — |  |  | (28 | ) |
| Interest Expense |  | (115 | ) |  | (40 | ) |  | (18 | ) |  | 89 |  |  | (84 | ) |
| Income Tax Benefit (Expense) |  | 52 |  |  | (11 | ) |  | 20 |  |  | — |  |  | 61 |  |
| Net Income (Loss) |  | $ | 18 |  |  | $ | 8 |  |  | $ | 25 |  |  | $ | (33 | ) |  | $ | 18 |  |
| Comprehensive Income (Loss) |  | $ | 47 |  |  | $ | 50 |  |  | $ | 25 |  |  | $ | (75 | ) |  | $ | 47 |  |
| As of December 31, 2016 |  |  |  |  |  |  |  |  |  |  |
| Current Assets |  | $ | 4,412 |  |  | $ | 1,593 |  |  | $ | 152 |  |  | $ | (4,697 | ) |  | $ | 1,460 |  |
| Property, Plant and Equipment, net |  | 55 |  |  | 6,145 |  |  | 2,320 |  |  | — |  |  | 8,520 |  |
| Investment in Subsidiaries |  | 4,249 |  |  | 344 |  |  | — |  |  | (4,593 | ) |  | — |  |
| Noncurrent Assets |  | 168 |  |  | 2,016 |  |  | 129 |  |  | (100 | ) |  | 2,213 |  |
| Total Assets |  | $ | 8,884 |  |  | $ | 10,098 |  |  | $ | 2,601 |  |  | $ | (9,390 | ) |  | $ | 12,193 |  |
| Current Liabilities |  | $ | 171 |  |  | $ | 3,752 |  |  | $ | 1,454 |  |  | $ | (4,697 | ) |  | $ | 680 |  |
| Noncurrent Liabilities |  | 532 |  |  | 2,398 |  |  | 502 |  |  | (100 | ) |  | 3,332 |  |
| Long-Term Debt |  | 2,382 |  |  | — |  |  | — |  |  | — |  |  | 2,382 |  |
| Member’s Equity |  | 5,799 |  |  | 3,948 |  |  | 645 |  |  | (4,593 | ) |  | 5,799 |  |
| Total Liabilities and Member’s Equity |  | $ | 8,884 |  |  | $ | 10,098 |  |  | $ | 2,601 |  |  | $ | (9,390 | ) |  | $ | 12,193 |  |
| Year Ended December 31, 2016 |  |  |  |  |  |  |  |  |  |  |
| Net Cash Provided By (Used In) Operating Activities |  | $ | 97 |  |  | $ | 1,442 |  |  | $ | 323 |  |  | $ | (607 | ) |  | $ | 1,255 |  |
| Net Cash Provided By (Used In) Investing Activities |  | $ | 60 |  |  | $ | (707 | ) |  | $ | (789 | ) |  | $ | 289 |  |  | $ | (1,147 | ) |
| Net Cash Provided By (Used In) Financing Activities |  | $ | (157 | ) |  | $ | (736 | ) |  | $ | 466 |  |  | $ | 318 |  |  | $ | (109 | ) |
|  |  | Power |  | Guarantor Subsidiaries |  | Other Subsidiaries |  | Consolidating Adjustments |  | Total |
|  |  | Millions |
| Year Ended December 31, 2015 |  |  |  |  |  |  |  |  |  |  |
| Operating Revenues |  | $ | — |  |  | $ | 4,883 |  |  | $ | 179 |  |  | $ | (134 | ) |  | $ | 4,928 |  |
| Operating Expenses |  | 12 |  |  | 3,451 |  |  | 169 |  |  | (134 | ) |  | 3,498 |  |
| Operating Income (Loss) |  | (12 | ) |  | 1,432 |  |  | 10 |  |  | — |  |  | 1,430 |  |
| Equity Earnings (Losses) of Subsidiaries |  | 906 |  |  | (4 | ) |  | 14 |  |  | (902 | ) |  | 14 |  |
| Other Income |  | 48 |  |  | 174 |  |  | — |  |  | (53 | ) |  | 169 |  |
| Other Deductions |  | (27 | ) |  | (45 | ) |  | — |  |  | — |  |  | (72 | ) |
| Other-Than-Temporary Impairments |  | — |  |  | (53 | ) |  | — |  |  | — |  |  | (53 | ) |
| Interest Expense |  | (116 | ) |  | (39 | ) |  | (19 | ) |  | 53 |  |  | (121 | ) |
| Income Tax Benefit (Expense) |  | 57 |  |  | (574 | ) |  | 6 |  |  | — |  |  | (511 | ) |
| Net Income (Loss) |  | $ | 856 |  |  | $ | 891 |  |  | $ | 11 |  |  | $ | (902 | ) |  | $ | 856 |  |
| Comprehensive Income (Loss) |  | $ | 844 |  |  | $ | 855 |  |  | $ | 11 |  |  | $ | (866 | ) |  | $ | 844 |  |
| 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 |  |
| Year Ended December 31, 2015 |  |  |  |  |  |  |  |  |  |  |
| Net Cash Provided By (Used In) Operating Activities |  | $ | 571 |  |  | $ | 2,089 |  |  | $ | 80 |  |  | $ | (1,034 | ) |  | $ | 1,706 |  |
| Net Cash Provided By (Used In) Investing Activities |  | $ | (366 | ) |  | $ | (1,519 | ) |  | $ | (430 | ) |  | $ | 1,314 |  |  | $ | (1,001 | ) |
| Net Cash Provided By (Used In) Financing Activities |  | $ | (205 | ) |  | $ | (571 | ) |  | $ | 354 |  |  | $ | (280 | ) |  | $ | (702 | ) |
|  |  | Power |  | Guarantor Subsidiaries |  | Other Subsidiaries |  | Consolidating Adjustments |  | Total |
|  |  | Millions |
| Year Ended December 31, 2014 |  |  |  |  |  |  |  |  |  |  |
| Operating Revenues |  | $ | — |  |  | $ | 5,390 |  |  | $ | 153 |  |  | $ | (109 | ) |  | $ | 5,434 |  |
| Operating Expenses |  | 16 |  |  | 4,175 |  |  | 143 |  |  | (109 | ) |  | 4,225 |  |
| Operating Income (Loss) |  | (16 | ) |  | 1,215 |  |  | 10 |  |  | — |  |  | 1,209 |  |
| Equity Earnings (Losses) of Subsidiaries |  | 799 |  |  | (5 | ) |  | 14 |  |  | (794 | ) |  | 14 |  |
| Other Income |  | 34 |  |  | 222 |  |  | — |  |  | (34 | ) |  | 222 |  |
| Other Deductions |  | (20 | ) |  | (32 | ) |  | — |  |  | — |  |  | (52 | ) |
| Other-Than-Temporary Impairments |  | — |  |  | (20 | ) |  | — |  |  | — |  |  | (20 | ) |
| Interest Expense |  | (102 | ) |  | (35 | ) |  | (19 | ) |  | 34 |  |  | (122 | ) |
| Income Tax Benefit (Expense) |  | 65 |  |  | (558 | ) |  | 2 |  |  | — |  |  | (491 | ) |
| Net Income (Loss) |  | $ | 760 |  |  | $ | 787 |  |  | $ | 7 |  |  | $ | (794 | ) |  | $ | 760 |  |
| Comprehensive Income (Loss) |  | $ | 595 |  |  | $ | 768 |  |  | $ | 7 |  |  | $ | (775 | ) |  | $ | 595 |  |
| Year Ended December 31, 2014 |  |  |  |  |  |  |  |  |  |  |
| Net Cash Provided By (Used In) Operating Activities |  | $ | 577 |  |  | $ | 1,674 |  |  | $ | 76 |  |  | $ | (902 | ) |  | $ | 1,425 |  |
| Net Cash Provided By (Used In) Investing Activities |  | $ | 148 |  |  | $ | (856 | ) |  | $ | (42 | ) |  | $ | 226 |  |  | $ | (524 | ) |
| Net Cash Provided By (Used In) Financing Activities |  | $ | (724 | ) |  | $ | (818 | ) |  | $ | (32 | ) |  | $ | 676 |  |  | $ | (898 | ) |

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