Other Income And Deductions (Schedule Of Other Income) (Details) (USD $) In Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
NDT Funds Gains, Interest, Dividend and Other Income	$ 48		$ 42		$ 117		$ 80
Other	7		5		14		10
Total Other Income	55		47		131		90
PSE&G [Member]
NDT Funds Gains, Interest, Dividend and Other Income	0		0		0		0
Other	4		3		9		8
Total Other Income	4		3		9		8
Power [Member]
NDT Funds Gains, Interest, Dividend and Other Income	48		42		117		80
Other	1		1		2		2
Total Other Income	49		43		119		82
Other Segments [Member]
NDT Funds Gains, Interest, Dividend and Other Income	0	[1]	0	[1]	0	[1]	0	[1]
Other	2	[1]	1	[1]	3	[1]	0	[1]
Total Other Income	$ 2	[1]	$ 1	[1]	$ 3	[1]	$ 0	[1]

[1] (A) Other primarily consists of activity at PSEG (as parent company), Energy Holdings, Services and intercompany eliminations.