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Pension and OPEB (Tables) | 6 Months Ended
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Jun. 30, 2020
Retirement Benefits [Abstract] |
Components Of Net Periodic Benefit Cost | The following table provides the components of net periodic benefit costs relating to all qualified and nonqualified pension and OPEB plans on an aggregate basis for PSEG, excluding Servco. Amounts shown do not reflect the impacts of capitalization and co-owner allocations. Only the service cost component is eligible for capitalization, when applicable.
|  | Pension Benefits |  | OPEB |  | Pension Benefits |  | OPEB |
|  | Three Months Ended |  | Three Months Ended |  | Six Months Ended |  | Six Months Ended |
|  | June 30, |  | June 30, |  | June 30, |  | June 30, |
|  | 2020 |  |  | 2019 |  | 2020 |  |  | 2019 |  | 2020 |  | 2019 |  | 2020 |  | 2019 |
|  | Millions |
| Components of Net Periodic Benefit (Credits) Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Service Cost (included in O&M Expense) | $ | 35 |  |  | $ | 28 |  |  | $ | 3 |  |  | $ | 3 |  |  | $ | 70 |  |  | $ | 57 |  |  | $ | 5 |  |  | $ | 5 |  |
| Non-Service Components of Pension and OPEB (Credits) Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Interest Cost | 48 |  |  | 58 |  |  | 8 |  |  | 11 |  |  | 96 |  |  | 116 |  |  | 17 |  |  | 22 |  |
| Expected Return on Plan Assets | (110 | ) |  | (96 | ) |  | (9 | ) |  | (9 | ) |  | (221 | ) |  | (193 | ) |  | (19 | ) |  | (18 | ) |
| Amortization of Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Prior Service Credit | (3 | ) |  | (4 | ) |  | (32 | ) |  | (32 | ) |  | (5 | ) |  | (9 | ) |  | (64 | ) |  | (64 | ) |
| Actuarial Loss | 23 |  |  | 27 |  |  | 11 |  |  | 12 |  |  | 46 |  |  | 54 |  |  | 23 |  |  | 25 |  |
| Non-Service Components of Pension and OPEB (Credits) Costs | (42 | ) |  | (15 | ) |  | (22 | ) |  | (18 | ) |  | (84 | ) |  | (32 | ) |  | (43 | ) |  | (35 | ) |
| Total Benefit (Credits) Costs | $ | (7 | ) |  | $ | 13 |  |  | $ | (19 | ) |  | $ | (15 | ) |  | $ | (14 | ) |  | $ | 25 |  |  | $ | (38 | ) |  | $ | (30 | ) |
Schedule Of Pension And OPEB Costs | Pension and OPEB (credits) costs for PSE&G, PSEG Power and PSEG’s other subsidiaries, excluding Servco, are detailed as follows:
|  | Pension Benefits |  | OPEB |  | Pension Benefits |  | OPEB |
|  | Three Months Ended |  | Three Months Ended |  | Six Months Ended |  | Six Months Ended |
|  | June 30, |  | June 30, |  | June 30, |  | June 30, |
|  | 2020 |  | 2019 |  | 2020 |  | 2019 |  | 2020 |  | 2019 |  | 2020 |  | 2019 |
|  | Millions |
| PSE&G | $ | (6 | ) |  | $ | 6 |  |  | $ | (19 | ) |  | $ | (16 | ) |  | $ | (13 | ) |  | $ | 13 |  |  | $ | (38 | ) |  | $ | (32 | ) |
| PSEG Power | (2 | ) |  | 4 |  |  | — |  |  | 1 |  |  | (3 | ) |  | 7 |  |  | — |  |  | 2 |  |
| Other | 1 |  |  | 3 |  |  | — |  |  | — |  |  | 2 |  |  | 5 |  |  | — |  |  | — |  |
| Total Benefit (Credits) Costs | $ | (7 | ) |  | $ | 13 |  |  | $ | (19 | ) |  | $ | (15 | ) |  | $ | (14 | ) |  | $ | 25 |  |  | $ | (38 | ) |  | $ | (30 | ) |

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