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Other Income And Deductions (Schedule Of Other Deductions) (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Components of Other Deductions [Roll Forward] |  |  |  |
NDT Fund Realized Losses and Expenses |  | $ 40 | $ 45 | $ 31
Other |  | 27 | 57 | 30
Total Other Deductions |  | 67 | 102 | 61
PSE&G [Member] |  |  |  |
Components of Other Deductions [Roll Forward] |  |  |  |
NDT Fund Realized Losses and Expenses |  | 0 | 0 | 0
Other |  | 4 | 4 | 3
Total Other Deductions |  | 4 | 4 | 3
Power [Member] |  |  |  |
Components of Other Deductions [Roll Forward] |  |  |  |
NDT Fund Realized Losses and Expenses |  | 40 | 45 | 31
Other |  | 17 | 27 | 21
Total Other Deductions |  | 57 | 72 | 52
Other [Member] |  |  |  |
Components of Other Deductions [Roll Forward] |  |  |  |
NDT Fund Realized Losses and Expenses | [1] | 0 | 0 | 0
Other | [1] | 6 | 26 | 6
Total Other Deductions | [1] | $ 6 | $ 26 | $ 6
[1] | Other consists of activity at PSEG (as parent company), Energy Holdings, Services, PSEG LI and intercompany eliminations.

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