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Schedule Of Consolidated Debt (Long-Term Debt) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 11,483 |
Long-term Debt, Current Maturities |  | (500) | $ (734)
Total Long-Term Debt |  | 10,895 | 8,834
Power [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | 2,400 | 2,253
Long-term Debt, Current Maturities |  | 0 | (553)
Net Unamortized Discount and Debt Issuance Costs |  | (18) | (16)
Total Long-Term Debt |  | 2,382 | 1,684
Power [Member] | Senior Notes Five Point Three Two Percentage Due Two Thousand Sixteen [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 0 | 303
Stated interest rate of debt instrument |  | 5.32% |
Maturity Year |  | 2016 |
Power [Member] | Senior Notes Two Point Seven Five Percentage Due Two Thousand Sixteen [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 0 | 250
Stated interest rate of debt instrument |  | 2.75% |
Maturity Year |  | 2016 |
Power [Member] | Senior Notes Two Point Four Five Percentage Due Two Thousand Eighteen [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 250 | 250
Stated interest rate of debt instrument |  | 2.45% |
Maturity Year |  | 2018 |
Power [Member] | Senior Notes Five Point One Three Percentage Due Two Thousand Twenty [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 406 | 406
Stated interest rate of debt instrument |  | 5.13% |
Maturity Year |  | 2020 |
Power [Member] | Senior Notes Four Point One Five Percentage Due Two Thousand Twenty One [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 250 | 250
Stated interest rate of debt instrument |  | 4.15% |
Maturity Year |  | 2021 |
Power [Member] | Senior Notes Three Point Zero Percent Due In Two Thousand Twenty One [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 700 | 0
Stated interest rate of debt instrument |  | 3.00% |
Maturity Year |  | 2021 |
Power [Member] | Senior Notes Four Point Three Percent Due Two Thousand Twenty Three [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 250 | 250
Stated interest rate of debt instrument |  | 4.30% |
Maturity Year |  | 2023 |
Power [Member] | Senior Notes Eight Point Six Three Percent Due Two Thousand Thirty One [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 500 | 500
Stated interest rate of debt instrument |  | 8.63% |
Maturity Year |  | 2031 |
Power [Member] | Senior Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 2,356 | 2,209
Power [Member] | Pollution Control Notes Floating Rate Due On Two Thousand Nineteen [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [1] | $ 44 | 44
Maturity Year | [1] | 2019 |
Power [Member] | Pollution Control Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 44 | 44
PSEG [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | 1,200 | 500
Fair Value Of Swaps | [2] | 0 | 6
Long-term Debt, Current Maturities |  | (500) | (6)
Net Unamortized Discount and Debt Issuance Costs |  | (5) | 0
Total Long-Term Debt |  | 695 | 500
PSEG [Member] | Variable Rate Term Loan due 2017 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 500 | 500
Maturity Year |  | 2017 |
PSEG [Member] | Senior Notes One Point Six Zero Percent Due In Two Thousand Nineteen [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 400 | 0
Stated interest rate of debt instrument |  | 1.60% |
Maturity Year |  | 2019 |
PSEG [Member] | Senior Notes Two Point Zero Percent Due In Two Thousand Twenty One [Member] [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 300 | 0
Stated interest rate of debt instrument |  | 2.00% |
Maturity Year |  | 2021 |
PSEG [Member] | Senior Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 700 | 0
PSE&G [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Current Maturities |  | 0 | (171)
Total Long-Term Debt |  | 7,818 | 6,650
PSE&G [Member] | First And Refunding Mortgage Bonds Six Point Seven Five Percentage Due On Two Thousand Sixteen [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 0 | 171
Stated interest rate of debt instrument |  | 6.75% |
Maturity Year | [3] | 2016 |
PSE&G [Member] | First And Refunding Mortgage Bonds Nine Point Two Five Percentage Due On Two Twenty One [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 134 | 134
Stated interest rate of debt instrument |  | 9.25% |
Maturity Year | [3] | 2021 |
PSE&G [Member] | First And Refunding Mortgage Bonds Eight Point Zero Zero Percentage Due On Two Thirty Seven [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 7 | 7
Stated interest rate of debt instrument |  | 8.00% |
Maturity Year | [3] | 2037 |
PSE&G [Member] | First And Refunding Mortgage Bonds Five Point Zero Zero Percentage Due On Two Thirty Seven [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 8 | 8
Stated interest rate of debt instrument |  | 5.00% |
Maturity Year | [3] | 2037 |
PSE&G [Member] | First And Refunding Mortgage Bonds [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 149 | 320
PSE&G [Member] | Pollution Control Bonds Due On 2033 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [1],[3] | $ 0 | 50
Maturity Year | [1],[3] | 2033 |
PSE&G [Member] | Pollution Control Bonds Due On 2046 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [1],[3] | $ 0 | 50
Maturity Year | [1],[3] | 2046 |
PSE&G [Member] | Pollution Control Bonds [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 0 | 100
PSE&G [Member] | Medium Term Notes Five Point Three Zero Percentage Due On Two Thousand Eighteen [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 400 | 400
Stated interest rate of debt instrument |  | 5.30% |
Maturity Year | [3] | 2018 |
PSE&G [Member] | Medium Term Notes Two Point Three Zero Percent Due In Two Thousand Eighteen [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 350 | 350
Stated interest rate of debt instrument |  | 2.30% |
Maturity Year | [3] | 2018 |
PSE&G [Member] | Medium Term Notes One Point Eight Percent Due In Two Thousand Nineteen [Member] [Domain] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 250 | 250
Stated interest rate of debt instrument |  | 1.80% |
Maturity Year | [3] | 2019 |
PSE&G [Member] | Medium Term Notes Two Point Zero Percent Due In Two Thousand Nineteen [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 250 | 250
Stated interest rate of debt instrument |  | 2.00% |
Maturity Year | [3] | 2019 |
PSE&G [Member] | Medium Term Notes Seven Point Zero Four Percentage Due On Two Thousand Twenty [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 9 | 9
Stated interest rate of debt instrument |  | 7.04% |
Maturity Year | [3] | 2020 |
PSE&G [Member] | Medium Term Notes Three Point Five Zero Percentage Due On Two Thousand Twenty [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 250 | 250
Stated interest rate of debt instrument |  | 3.50% |
Maturity Year | [3] | 2020 |
PSE&G [Member] | Medium Term Notes One Point Nine Zero Percent Due In Two Thousand Twenty One [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 300 | 0
Stated interest rate of debt instrument |  | 1.90% |
Maturity Year | [3] | 2021 |
PSE&G [Member] | Medium Term Notes Two Point Three Eight Percent Due In Two Thousand Twenty Three [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 500 | 500
Stated interest rate of debt instrument |  | 2.375% |
Maturity Year | [3] | 2023 |
PSE&G [Member] | Medium Term Notes Three Point Seven Five Percent Due In Two Thousand Twenty Four [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 250 | 250
Stated interest rate of debt instrument |  | 3.75% |
Maturity Year | [3] | 2024 |
PSE&G [Member] | Medium Term Notes Three Point One Five Percent Due In Two Thousand Twenty Four [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 250 | 250
Stated interest rate of debt instrument |  | 3.15% |
Maturity Year | [3] | 2024 |
PSE&G [Member] | Medium Term Notes Three Point Zero Five Percent Due In Two Thousand Twenty Four [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 250 | 250
Stated interest rate of debt instrument |  | 3.05% |
Maturity Year | [3] | 2024 |
PSE&G [Member] | Medium Term Notes Three Point Zero Percent Due In Two Thousand Twenty Five [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 350 | 350
Stated interest rate of debt instrument |  | 3.00% |
Maturity Year | [3] | 2025 |
PSE&G [Member] | Medium Term Notes Two Point Two Five Percent due Two Thousand Twenty Six [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 425 | 0
Stated interest rate of debt instrument |  | 2.25% |
Maturity Year | [3] | 2026 |
PSE&G [Member] | Medium Term Notes Five Point Two Five Percentage Due On Two Thousand Thirty Five [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 250 | 250
Stated interest rate of debt instrument |  | 5.25% |
Maturity Year | [3] | 2035 |
PSE&G [Member] | Medium Term Notes Five Point Seven Zero Percentage Due On Two Thousand Thirty Six [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 250 | 250
Stated interest rate of debt instrument |  | 5.70% |
Maturity Year | [3] | 2036 |
PSE&G [Member] | Medium Term Notes Five Point Eight Zero Percentage Due On Two Thousand Thirty Seven [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 350 | 350
Stated interest rate of debt instrument |  | 5.80% |
Maturity Year | [3] | 2037 |
PSE&G [Member] | Medium Term Notes Five Point Three Eight Percentage Due On Two Thousand Thirty Nine [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 250 | 250
Stated interest rate of debt instrument |  | 5.38% |
Maturity Year | [3] | 2039 |
PSE&G [Member] | Medium Term Notes Five Point Five Zero Percentage Due On Two Thousand Forty [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 300 | 300
Stated interest rate of debt instrument |  | 5.50% |
Maturity Year | [3] | 2040 |
PSE&G [Member] | Medium-Term Notes 3.95% Due On 2042 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 450 | 450
Stated interest rate of debt instrument |  | 3.95% |
Maturity Year | [3] | 2042 |
PSE&G [Member] | Medium-Term Notes 3.65% Due On 2042 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 350 | 350
Stated interest rate of debt instrument |  | 3.65% |
Maturity Year | [3] | 2042 |
PSE&G [Member] | Medium Term Notes Three Point Eight Zero Percent Due In Two Thousand Forty Three [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 400 | 400
Stated interest rate of debt instrument |  | 3.80% |
Maturity Year | [3] | 2043 |
PSE&G [Member] | Medium Term Notes Four Point Zero Percent Due In Two Thousand Forty Four [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 250 | 250
Stated interest rate of debt instrument |  | 4.00% |
Maturity Year | [3] | 2044 |
PSE&G [Member] | Medium Term Notes Four Point Zero Five Percent due Two Thousand Forty Five [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 250 |
Stated interest rate of debt instrument |  | 4.05% |
Maturity Year | [3] | 2045 |
PSE&G [Member] | Medium Term Notes Four Point One Five Percent Due In Two Thousand Forty Five [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 250 | 250
Stated interest rate of debt instrument |  | 4.15% |
Maturity Year | [3] | 2045 |
PSE&G [Member] | Medium Term Notes Three Point Eight Zero Percent due Two Thousand Forty Six [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding | [3] | $ 550 | 0
Stated interest rate of debt instrument |  | 3.80% |
Maturity Year | [3] | 2046 |
PSE&G [Member] | Total Medium Term Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | $ 7,734 | 6,459
PSE&G Excluding Transition Funding and Transition Funding II [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal Amount Outstanding |  | 7,883 | 6,879
Long-term Debt, Current Maturities |  | 0 | (171)
Net Unamortized Discount and Debt Issuance Costs |  | (65) | (58)
Total Long-Term Debt |  | $ 7,818 | $ 6,650
[1] | The Pollution Control Financing Authority of Salem County bonds (Salem Bonds), which were repurchased and retired in 2016, and the Pennsylvania Economic Development Authority (PEDFA) bond that are serviced and secured by PSE&G Pollution Control Bonds and Power Pollution Control Notes, respectively, were variable rate bonds that were in weekly reset mode.
[2] | PSEG entered into various interest rate swaps to hedge the fair value of certain debt at Power. The fair value adjustments from these hedges are reflected as offsets to long-term debt on the Consolidated Balance Sheets. For additional information, see Note 16. Financial Risk Management Activities.
[3] | Secured by essentially all property of PSE&G pursuant to its First and Refunding Mortgage.

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