Commitments And Contingent Liabilities (Future Minimum Lease Payments) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Power [Member]
2014	$ 1
2015	1
2016	1
2017	1
2018	2
Thereafter	16
Capital Leases, Future Minimum Payments Due	22
PSE&G [Member]
2014	9
2015	7
2016	6
2017	5
2018	4
Thereafter	33
Capital Leases, Future Minimum Payments Due	64
Services [Member]
2014	1
2015	4
2016	12
2017	13
2018	13
Thereafter	173
Capital Leases, Future Minimum Payments Due	216
Other [Member]
2014	2
2015	2
2016	1
2017	1
2018	0
Thereafter	0
Capital Leases, Future Minimum Payments Due	$ 6