Other Income And Deductions (Schedule Of Other Deductions) (Details) (USD $) In Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
NDT Fund Realized Losses and Expenses	$ 13		$ 13		$ 22		$ 26
Other	2		(1)		6		2
Total Other Deductions	15		12		28		28
Power [Member]
NDT Fund Realized Losses and Expenses	13		13		22		26
Other	1		0		4		1
Total Other Deductions	14		13		26		27
PSE&G [Member]
NDT Fund Realized Losses and Expenses	0		0		0		0
Other	0		0		1		1
Total Other Deductions	0		0		1		1
Other Segments [Member]
NDT Fund Realized Losses and Expenses	0	[1]	0	[1]	0	[1]	0	[1]
Other	1	[1]	(1)	[1]	1	[1]	0	[1]
Total Other Deductions	$ 1	[1]	$ (1)	[1]	$ 1	[1]	$ 0	[1]

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