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Schedule Of Consolidated Debt (Long-Term Debt Financing Transactions) (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2016 USD ($)
PSEG [Member] | Senior Notes One Point Six Zero Percent Due In Two Thousand Nineteen [Member] |
Debt Instrument [Line Items] |
Debt Instrument, Face Amount | $ 400
Stated interest rate of debt instrument | 1.60%
PSEG [Member] | Senior Notes Two Point Zero Percent Due In Two Thousand Twenty One [Member] [Member] |
Debt Instrument [Line Items] |
Debt Instrument, Face Amount | $ 300
Stated interest rate of debt instrument | 2.00%
PSE&G [Member] | Medium Term Notes Three Point Zero Percent Due In Two Thousand Twenty Five [Member] |
Debt Instrument [Line Items] |
Stated interest rate of debt instrument | 3.00%
PSE&G [Member] | Medium Term Notes Four Point Zero Five Percent due Two Thousand Forty Five [Member] |
Debt Instrument [Line Items] |
Stated interest rate of debt instrument | 4.05%
PSE&G [Member] | Medium Term Notes Four Point One Five Percent Due In Two Thousand Forty Five [Member] |
Debt Instrument [Line Items] |
Stated interest rate of debt instrument | 4.15%
PSE&G [Member] | Pollution Control Bonds [Member] |
Debt Instrument [Line Items] |
Repayments of Long-term Debt | $ 100
PSE&G [Member] | First And Refunding Mortgage Bonds Six Point Seven Five Percentage Due On Two Thousand Sixteen [Member] |
Debt Instrument [Line Items] |
Stated interest rate of debt instrument | 6.75%
Repayments of Long-term Debt | $ 171
PSE&G [Member] | Medium Term Notes One Point Nine Zero Percent Due In Two Thousand Twenty One [Member] |
Debt Instrument [Line Items] |
Debt Instrument, Face Amount | $ 300
Stated interest rate of debt instrument | 1.90%
PSE&G [Member] | Medium Term Notes Three Point Eight Zero Percent due Two Thousand Forty Six [Member] |
Debt Instrument [Line Items] |
Debt Instrument, Face Amount | $ 550
Stated interest rate of debt instrument | 3.80%
PSE&G [Member] | Medium Term Notes Two Point Two Five Percent due Two Thousand Twenty Six [Member] |
Debt Instrument [Line Items] |
Proceeds from Issuance of Long-term Debt | $ 425
Stated interest rate of debt instrument | 2.25%
Power [Member] | Senior Notes Three Point Zero Percent Due In Two Thousand Twenty One [Member] |
Debt Instrument [Line Items] |
Debt Instrument, Face Amount | $ 700
Stated interest rate of debt instrument | 3.00%
Power [Member] | Senior Notes Five Point Three Two Percentage Due Two Thousand Sixteen [Member] |
Debt Instrument [Line Items] |
Debt Instrument, Face Amount | $ 303
Stated interest rate of debt instrument | 5.32%
Power [Member] | Senior Notes Two Point Seven Five Percentage Due Two Thousand Sixteen [Member] |
Debt Instrument [Line Items] |
Stated interest rate of debt instrument | 2.75%
Repayments of Long-term Debt | $ 250

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