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Schedule Of Consolidated Debt (Short-Term Liquidity) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 4,200 |
Line of Credit Facility, Amount Outstanding |  | 552 |
Available Liquidity |  | 3,648 |
Commercial Paper and Loans |  | $ 364 | $ 0
Commitments of single institution as percentage of total commitments |  | 7.00% |
PSEG [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 1,000 |
Line of Credit Facility, Amount Outstanding |  | 221 |
Available Liquidity |  | 779 |
PSE&G [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 600 |
Line of Credit Facility, Amount Outstanding |  | 167 |
Available Liquidity |  | 433 |
Commercial Paper and Loans |  | 153 | $ 0
Power [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 2,600 |
Line of Credit Facility, Amount Outstanding |  | 164 |
Available Liquidity |  | 2,436 |
5-year Credit Facility, April 2019 [Member] | PSEG [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 500 |
Line of Credit Facility, Amount Outstanding |  | 10 |
Available Liquidity |  | $ 490 |
Expiration Date |  | Apr 2019 |
5-year Credit Facility, April 2019 [Member] | Power [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 1,600 |
Line of Credit Facility, Amount Outstanding |  | 161 |
Available Liquidity |  | $ 1,439 |
Expiration Date |  | Apr 2019 |
Five Year Credit Facility Maturing on April 2020 [Member] | PSEG [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | [1] | $ 500 |
Line of Credit Facility, Amount Outstanding | [2] | 211 |
Available Liquidity |  | 289 |
Commercial Paper and Loans | [2] | $ 211 |
Expiration Date |  | Apr 2020 |
Credit Facility Reduction in April 2016 | [3] | $ 23 |
Credit Facility Reduction in March 2018 | [3] | $ 12 |
Short-term Debt, Weighted Average Interest Rate | [2] | 0.96% |
Five Year Credit Facility Maturing on April 2020 [Member] | PSE&G [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | [4] | $ 600 |
Line of Credit Facility, Amount Outstanding | [2] | 167 |
Available Liquidity |  | 433 |
Commercial Paper and Loans | [2] | $ 153 |
Expiration Date |  | Apr 2020 |
Credit Facility Reduction in April 2016 | [3] | $ 29 |
Credit Facility Reduction in March 2018 | [3] | $ 14 |
Short-term Debt, Weighted Average Interest Rate | [2] | 0.91% |
Five Year Credit Facility Maturing on April 2020 [Member] | Power [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | [3] | $ 1,000 |
Line of Credit Facility, Amount Outstanding |  | 3 |
Available Liquidity |  | $ 997 |
Expiration Date |  | Apr 2020 |
Credit Facility Reduction in April 2016 | [3] | $ 48 |
Credit Facility Reduction in March 2018 | [3] | $ 24 |
[1] | PSEG facility will be reduced by $23 million in April 2016 and $12 million in March 2018.
[2] | The primary use of PSEG's and PSE&G's credit facilities is to support their respective Commercial Paper Programs under which as of December 31, 2015, $211 million and $153 million, respectively, were outstanding. The weighted average interest rates on PSEG's and PSE&G's Commercial Paper Programs were 0.96% and 0.91%, respectively, at December 31, 2015.
[3] | PSE&G facility will be reduced by $29 million in April 2016 and $14 million in March 2018.
[4] | Power facility will be reduced by $48 million in April 2016 and $24 million in March 2018.

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