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Regulatory Assets And Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2016
Regulatory Assets and Liabilities Disclosure [Abstract] |
Schedule of Regulatory Assets | PSE&G had the following Regulatory Assets and Liabilities:
|  |  | As of December 31, |  |  |
|  |  | 2016 |  | 2015 |  | Recovery/Refund Period |
|  |  | Millions |  |  |
| Regulatory Assets |  |  |  |  |  |  |
| Current |  |  |  |  |  |  |
| New Jersey Clean Energy Program |  | $ | 142 |  |  | $ | 142 |  |  | Annual filing for recovery (2) |
| Weather Normalization Clause (WNC) |  | 49 |  |  | 10 |  |  | Annual filing for recovery (2) |
| Underrecovered Electric Energy Costs—Basic Generation Service |  | 2 |  |  | 11 |  |  | Annual filing for recovery (1) (2) |
| Other |  | 6 |  |  | 1 |  |  | Various |
| Total Current Regulatory Assets |  | $ | 199 |  |  | $ | 164 |  |  |  |
| Noncurrent |  |  |  |  |  |  |
| Pension and OPEB Costs |  | $ | 1,403 |  |  | $ | 1,270 |  |  | Various |
| Deferred Income Taxes |  | 507 |  |  | 467 |  |  | Various |
| Manufactured Gas Plant (MGP) Remediation Costs |  | 403 |  |  | 431 |  |  | Various (2) |
| Storm Damage Deferrals |  | 239 |  |  | 233 |  |  | To be determined |
| Electric Transmission and Gas Cost of Removal |  | 189 |  |  | 160 |  |  | Through depreciation rates |
| Remediation Adjustment Charge (RAC) (Other SBC) |  | 180 |  |  | 174 |  |  | Through 2022 (1) (2) |
| Conditional Asset Retirement Obligation |  | 157 |  |  | 152 |  |  | Various |
| Green Program Recovery Charges (GPRC) |  | 91 |  |  | 104 |  |  | Various (1) (2) |
| Unamortized Loss on Reacquired Debt and Debt Expense |  | 61 |  |  | 67 |  |  | Over remaining debt life |
| Mark-to-Market (MTM) Contracts |  | — |  |  | 63 |  |  | Through 2017 |
| Other |  | 89 |  |  | 75 |  |  | Various |
| Total Noncurrent Regulatory Assets |  | $ | 3,319 |  |  | $ | 3,196 |  |  |  |
| Total Regulatory Assets |  | $ | 3,518 |  |  | $ | 3,360 |  |  |  |
Schedule of Regulatory Liabilities |
|  |  | As of December 31, |  |  |
|  |  | 2016 |  | 2015 |  | Recovery/Refund Period |
|  |  | Millions |  |  |
| Regulatory Liabilities |  |  |  |  |  |  |
| Current |  |  |  |  |  |  |
| FERC Formula Rate True-up |  | $ | 34 |  |  | $ | 19 |  |  | Annual filing for recovery (1) (2) |
| GPRC |  | 28 |  |  | 36 |  |  | Annual filing for recovery (1) (2) |
| Gas Margin Adjustment Clause |  | 11 |  |  | 13 |  |  | Annual filing for recovery (1) (2) |
| Overrecovered Gas Costs —Basic Gas Supply Service |  | 6 |  |  | 1 |  |  | Annual filing for recovery (1) (2) |
| Overrecovered Non-Utility Generation Charge (NGC) |  | 5 |  |  | 1 |  |  | Annual filing for recovery (1) (2) |
| Societal Benefit Clause (SBC) |  | 4 |  |  | 31 |  |  | Various (1) (2) |
| Stranded Costs (including $42 in 2015 related to VIEs) |  | — |  |  | 64 |  |  | Through December 2016 (2) |
| Total Current Regulatory Liabilities |  | $ | 88 |  |  | $ | 165 |  |  |  |
| Noncurrent |  |  |  |  |  |  |
| Electric Distribution Cost of Removal |  | $ | 94 |  |  | $ | 122 |  |  | Through depreciation rates |
| MTM Contracts |  | 20 |  |  | — |  |  | Various |
| FERC Formula Rate True-up |  | 1 |  |  | 49 |  |  | Annual filing for recovery (1) (2) |
| Other |  | 3 |  |  | 4 |  |  | Various |
| Total Noncurrent Regulatory Liabilities |  | $ | 118 |  |  | $ | 175 |  |  |  |
| Total Regulatory Liabilities |  | $ | 206 |  |  | $ | 340 |  |  |  |
(1) | Recovered/Refunded with interest.
(2) | Recoverable/Refundable per specific rate order.

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- Definition Tabular disclosure of assets that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44264-110382 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 715 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501251&loc=d3e52485-110419 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 + Details
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- Definition Tabular disclosure of regulatory liabilities. Detailed information about liabilities that result from rate actions of a regulator. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 405 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6500807&loc=d3e48068-110394 + Details
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