Commitments And Contingent Liabilities (Future Minimum Lease Payments) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Power [Member]
Other Commitments [Line Items]
2015	$ 2
2016	2
2017	1
2018	2
2019	2
Thereafter	23
Capital Leases, Future Minimum Payments Due	32
PSE&G [Member]
Other Commitments [Line Items]
2015	12
2016	9
2017	7
2018	6
2019	6
Thereafter	55
Capital Leases, Future Minimum Payments Due	95
Services [Member]
Other Commitments [Line Items]
2015	5
2016	12
2017	13
2018	13
2019	13
Thereafter	159
Capital Leases, Future Minimum Payments Due	215
Other [Member]
Other Commitments [Line Items]
2015	2
2016	1
2017	1
2018	0
2019	0
Thereafter	0
Capital Leases, Future Minimum Payments Due	$ 4

Amount of minimum lease payments for capital leases.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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Amount of minimum lease payments for capital leases due in the next 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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Amount of minimum lease payments for capital leases due in 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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Amount of minimum lease payments for capital leases due in the fourth 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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Amount of minimum lease payments for capital leases due in the third 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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Amount of minimum lease payments for capital leases due in the second 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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Amount of minimum lease payments for capital leases due 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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