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Regulatory Assets And Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2018
Regulatory Assets and Liabilities Disclosure [Abstract] |
Schedule of Regulatory Assets | PSE&G had the following Regulatory Assets and Liabilities:
|  |  | As of December 31, |
|  |  | 2018 |  | 2017 |
|  |  | Millions |
| Regulatory Assets |  |  |  |  |
| Current |  |  |  |  |
| New Jersey Clean Energy Program |  | $ | 143 |  |  | $ | 128 |  |
| Electric Energy Costs—Basic Generation Service (BGS) |  | 115 |  |  | 23 |  |
| Storm Damage and Other |  | 56 |  |  | — |  |
| Green Program Recovery Charges (GPRC) |  | 34 |  |  | 8 |  |
| Weather Normalization Clause (WNC) |  | 2 |  |  | 40 |  |
| Other |  | 39 |  |  | 12 |  |
| Total Current Regulatory Assets |  | $ | 389 |  |  | $ | 211 |  |
| Noncurrent |  |  |  |  |
| Pension and OPEB Costs |  | $ | 1,090 |  |  | $ | 1,488 |  |
| Deferred Income Tax Regulatory Assets |  | 896 |  |  | 282 |  |
| Manufactured Gas Plant (MGP) Remediation Costs |  | 321 |  |  | 358 |  |
| Electric Transmission and Gas Cost of Removal |  | 223 |  |  | 199 |  |
| Storm Damage and Other |  | 214 |  |  | 241 |  |
| Remediation Adjustment Charge (RAC) (Other Societal Benefits Charge (SBC)) |  | 175 |  |  | 172 |  |
| Asset Retirement Obligation |  | 166 |  |  | 162 |  |
| GPRC |  | 95 |  |  | 98 |  |
| Unamortized Loss on Reacquired Debt and Debt Expense |  | 49 |  |  | 55 |  |
| Gas Costs—BGSS |  | 31 |  |  | 30 |  |
| Other |  | 139 |  |  | 137 |  |
| Total Noncurrent Regulatory Assets |  | $ | 3,399 |  |  | $ | 3,222 |  |
| Total Regulatory Assets |  | $ | 3,788 |  |  | $ | 3,433 |  |
Schedule of Regulatory Liabilities |
|  |  | As of December 31, |
|  |  | 2018 |  | 2017 |
|  |  | Millions |
| Regulatory Liabilities |  |  |  |  |
| Current |  |  |  |  |
| Deferred Income Tax Regulatory Liabilities |  | $ | 299 |  |  | $ | — |  |
| Gas Costs —BGSS |  | — |  |  | 30 |  |
| Gas Margin Adjustment Clause |  | 8 |  |  | 12 |  |
| Other |  | 4 |  |  | 5 |  |
| Total Current Regulatory Liabilities |  | $ | 311 |  |  | $ | 47 |  |
| Noncurrent |  |  |  |  |
| Deferred Income Tax Regulatory Liabilities |  | $ | 3,170 |  |  | $ | 2,868 |  |
| Electric Distribution Cost of Removal |  | 51 |  |  | 80 |  |
| Total Noncurrent Regulatory Liabilities |  | $ | 3,221 |  |  | $ | 2,948 |  |
| Total Regulatory Liabilities |  | $ | 3,532 |  |  | $ | 2,995 |  |

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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://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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 + 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://fasb.org/us-gaap/role/ref/legacyRef -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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