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Pension and OPEB (Tables) | 3 Months Ended
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Mar. 31, 2015
Text Block [Abstract] |
Components Of Net Periodic Benefit Cost |
|  | Pension Benefits |  | OPEB |
|  | Three Months Ended |  | Three Months Ended |
|  | March 31, |  | March 31, |
|  | 2015 |  | 2014 |  | 2015 |  | 2014 |
|  | Millions |
| Components of Net Periodic Benefit Costs (Credit) |  |  |  |  |  |  |  |
| Service Cost | $ | 31 |  |  | $ | 26 |  |  | $ | 5 |  |  | $ | 5 |  |
| Interest Cost | 59 |  |  | 59 |  |  | 17 |  |  | 17 |  |
| Expected Return on Plan Assets | (103 | ) |  | (100 | ) |  | (7 | ) |  | (7 | ) |
| Amortization of Net |  |  |  |  |  |  |  |
| Prior Service Cost (Credit) | (5 | ) |  | (5 | ) |  | (3 | ) |  | (4 | ) |
| Actuarial Loss | 37 |  |  | 14 |  |  | 10 |  |  | 6 |  |
| Total Benefit Costs (Credit) | $ | 19 |  |  | $ | (6 | ) |  | $ | 22 |  |  | $ | 17 |  |
Schedule Of Pension And OPEB Costs |
|  | Pension Benefits |  | OPEB |
|  | Three Months Ended |  | Three Months Ended |
|  | March 31, |  | March 31, |
|  | 2015 |  | 2014 |  | 2015 |  | 2014 |
|  | Millions |
| PSE&G | $ | 10 |  |  | $ | (5 | ) |  | $ | 14 |  |  | $ | 11 |  |
| Power | 6 |  |  | (2 | ) |  | 7 |  |  | 5 |  |
| Other | 3 |  |  | 1 |  |  | 1 |  |  | 1 |  |
| Total Benefit Costs (Credit) | $ | 19 |  |  | $ | (6 | ) |  | $ | 22 |  |  | $ | 17 |  |

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