Schedule Of Consolidated Debt (Long-Term Debt Maturities) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Repayments in Next Twelve Months	$ 500
Repayments in Year Two	1,000
Repayments in Year Three	944
Repayments in Year Four	665
Repayments in Year Five	1,684
Thereafter	6,690
Total	11,483
PSEG [Member]
Debt Instrument [Line Items]
Repayments in Next Twelve Months	500
Repayments in Year Two	0
Repayments in Year Three	400
Repayments in Year Four	0
Repayments in Year Five	300
Thereafter	0
Total	1,200	$ 500
PSE&G
Debt Instrument [Line Items]
Repayments in Next Twelve Months	0
Repayments in Year Two	750
Repayments in Year Three	500
Repayments in Year Four	259
Repayments in Year Five	434
Thereafter	5,940
Total	7,883	6,879
Power [Member]
Debt Instrument [Line Items]
Repayments in Next Twelve Months	0
Repayments in Year Two	250
Repayments in Year Three	44
Repayments in Year Four	406
Repayments in Year Five	950
Thereafter	750
Total	$ 2,400	$ 2,253

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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