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Schedule Of Consolidated Debt (Short-Term Liquidity) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 4,153 |
Line of Credit Facility, Amount Outstanding |  | 610 |
Available Liquidity |  | 3,543 |
Commercial Paper and Loans |  | $ 388 | $ 364
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 |  | 398 |
Available Liquidity |  | 602 |
PSE&G [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 600 |
Line of Credit Facility, Amount Outstanding |  | 14 |
Available Liquidity |  | 586 |
Commercial Paper and Loans |  | 0 | $ 153
Power [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 2,553 |
Line of Credit Facility, Amount Outstanding |  | 198 |
Available Liquidity |  | 2,355 |
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 |  | Mar 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 |  | 195 |
Available Liquidity |  | $ 1,405 |
Expiration Date |  | Mar 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] | 388 |
Available Liquidity |  | 112 |
Commercial Paper and Loans |  | $ 388 |
Expiration Date |  | Apr 2020 |
Credit Facility Reduction in March 2018 | [3] | $ 12 |
Short-term Debt, Weighted Average Interest Rate |  | 1.03% |
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] | 14 |
Available Liquidity |  | $ 586 |
Expiration Date |  | Apr 2020 |
Credit Facility Reduction in March 2018 | [3] | $ 14 |
Five Year Credit Facility Maturing on April 2020 [Member] | Power [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | [3] | 953 |
Line of Credit Facility, Amount Outstanding |  | 3 |
Available Liquidity |  | $ 950 |
Expiration Date |  | Apr 2020 |
Credit Facility Reduction in March 2018 | [3] | $ 24 |
[1] | PSEG facility will be reduced by $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, 2016, PSEG had $388 million outstanding at a weighted average interest rate of 1.03%. PSE&G had no amounts outstanding under its Commercial Paper Program as of December 31, 2016.
[3] | PSE&G facility will be reduced by $14 million in March 2018.
[4] | Power facility will be reduced by $24 million in March 2018.

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