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Other Income and Deductions (Tables) | 12 Months Ended
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Dec. 31, 2017
Other Income and Deductions Disclosure [Abstract] |
Schedule Of Other Income |
| Other Income |  | PSE&G |  | Power |  | Other (A) |  | Consolidated Total |
|  |  | Millions |
| Year Ended December 31, 2017 |  |  |  |  |  |  |  |  |
| NDT Fund Gains, Interest, Dividend and Other Income |  | $ | — |  |  | $ | 202 |  |  | $ | — |  |  | $ | 202 |  |
| Allowance for Funds Used During Construction |  | 56 |  |  | — |  |  | — |  |  | 56 |  |
| Rabbi Trust Realized Gains, Interest and Dividends |  | 5 |  |  | 6 |  |  | 13 |  |  | 24 |  |
| Solar Loan Interest |  | 21 |  |  | — |  |  | — |  |  | 21 |  |
| Other |  | 10 |  |  | 5 |  |  | 1 |  |  | 16 |  |
| Total Other Income |  | $ | 92 |  |  | $ | 213 |  |  | $ | 14 |  |  | $ | 319 |  |
| Year Ended December 31, 2016 |  |  |  |  |  |  |  |  |
| NDT Fund Gains, Interest, Dividend and Other Income |  | $ | — |  |  | $ | 96 |  |  | $ | — |  |  | $ | 96 |  |
| Allowance for Funds Used During Construction |  | 49 |  |  | — |  |  | — |  |  | 49 |  |
| Rabbi Trust Realized Gains, Interest and Dividends |  | 3 |  |  | 3 |  |  | 6 |  |  | 12 |  |
| Solar Loan Interest |  | 22 |  |  | — |  |  | — |  |  | 22 |  |
| Other |  | 9 |  |  | 3 |  |  | — |  |  | 12 |  |
| Total Other Income |  | $ | 83 |  |  | $ | 102 |  |  | $ | 6 |  |  | $ | 191 |  |
| Year Ended December 31, 2015 |  |  |  |  |  |  |  |  |
| NDT Fund Gains, Interest, Dividend and Other Income |  | $ | — |  |  | $ | 138 |  |  | $ | — |  |  | $ | 138 |  |
| Allowance for Funds Used During Construction |  | 48 |  |  | — |  |  | — |  |  | 48 |  |
| Rabbi Trust Realized Gains, Interest and Dividends |  | 2 |  |  | 2 |  |  | 6 |  |  | 10 |  |
| Solar Loan Interest |  | 23 |  |  | — |  |  | — |  |  | 23 |  |
| Gain on Insurance Recovery |  | — |  |  | 28 |  |  | — |  |  | 28 |  |
| Other |  | 6 |  |  | 1 |  |  | — |  |  | 7 |  |
| Total Other Income |  | $ | 79 |  |  | $ | 169 |  |  | $ | 6 |  |  | $ | 254 |  |
Schedule Of Other Deductions |
| Other Deductions |  | PSE&G |  | Power |  | Other (A) |  | Consolidated Total |
|  |  | Millions |
| Year Ended December 31, 2017 |  |  |  |  |  |  |  |  |
| NDT Fund Realized Losses and Expenses |  | $ | — |  |  | $ | 32 |  |  | $ | — |  |  | $ | 32 |  |
| Other |  | 5 |  |  | 24 |  |  | 30 |  |  | 59 |  |
| Total Other Deductions |  | $ | 5 |  |  | $ | 56 |  |  | $ | 30 |  |  | $ | 91 |  |
| Year Ended December 31, 2016 |  |  |  |  |  |  |  |  |
| NDT Fund Realized Losses and Expenses |  | $ | — |  |  | $ | 40 |  |  | $ | — |  |  | $ | 40 |  |
| Other |  | 4 |  |  | 17 |  |  | 6 |  |  | 27 |  |
| Total Other Deductions |  | $ | 4 |  |  | $ | 57 |  |  | $ | 6 |  |  | $ | 67 |  |
| Year Ended December 31, 2015 |  |  |  |  |  |  |  |  |
| NDT Fund Realized Losses and Expenses |  | $ | — |  |  | $ | 45 |  |  | $ | — |  |  | $ | 45 |  |
| Other |  | 4 |  |  | 27 |  |  | 26 |  |  | 57 |  |
| Total Other Deductions |  | $ | 4 |  |  | $ | 72 |  |  | $ | 26 |  |  | $ | 102 |  |
(A) | Other consists of activity at PSEG (as parent company), Energy Holdings, Services, PSEG LI and intercompany eliminations.

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- Definition Other Income and Deductions Disclosure [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of the detailed components of other nonoperating income. May include methodology, assumptions and amounts for: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Tabular disclosure of each detailed component of other operating costs and expenses that are applicable to sales and revenues, but not included in the cost of sales in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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