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Regulatory Assets And Liabilities (Significant Orders and Pending Filings) (Details) - PSE&G [Member] $ in Millions | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Nov. 30, 2015 USD ($) | Oct. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Jul. 31, 2015 USD ($) | Jun. 30, 2015 USD ($) | Apr. 30, 2015 USD ($) $ / DTH | Mar. 31, 2015 $ / DTH | Feb. 28, 2015 USD ($) | Feb. 29, 2016 USD ($) $ / DTH | Dec. 31, 2015 USD ($) | Oct. 01, 2015 | May. 31, 2014 USD ($)
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Deferred Storm and Property Reserve Deficiency, Noncurrent |  |  |  |  |  |  |  |  |  | $ 220 |  |
Request for RAC Recovery |  |  |  |  |  |  |  |  |  | $ 85 |  |
Self Implementing Bill Credit per therm | $ / DTH |  |  |  |  |  | 0.45 | 243,000,000.00 |  |  |  |  |
Current BGSS rate per therm |  |  |  |  |  |  |  |  |  | 0.45 |  |
Proposed BGSS rate per therm |  |  |  |  |  |  |  |  |  |  | 0.40 |
Approved SBC and NGC revenue recovery |  |  |  |  |  |  |  |  |  |  |  | $ 311
True-up adjustment for Transmission Formula Rate Revenues |  |  |  |  |  |  |  |  |  | $ (19) |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  | $ 146 |  |  | $ 6 |  |  | $ 1 |  |  |  |
Proposed Recovery of costs for Electric Green Energy Program | $ 57 |  |  | $ 66 |  |  |  |  |  |  |  |
Proposed Recovery of costs for Gas Green Energy Programs | $ 8 |  |  | $ 10 |  |  |  |  |  |  |  |
Public Utilities, Approved Additional Capital Expenditures |  |  |  |  |  | $ 95 |  |  |  |  |  |
Public Utilities, Approved Additional Administrative Expenses |  |  |  |  |  | 12 |  |  |  |  |  |
Gas Distribution [Member] |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  |  |  | 17 |  |  |  |  |  |  |
Electric Distribution [Member] |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  | $ 10 |  |  |  |  |  |  |  |  |
Overrecovered Gas and Electric Costs - BGSS and BGS [Member] |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
BGSS Revenue Reduction |  |  |  |  | 70 |  |  |  |  |  |  |
Weather Normalization Clause [Member] |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  |  |  | $ (40) | $ (45) |  |  |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets And Liabilities [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Self Implementing Bill Credit per therm | $ / DTH |  |  |  |  |  |  |  |  | 0.25 |  |  |
BGSS Revenue Reduction |  |  |  |  |  |  |  |  | $ 155 |  |  |

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