Other Income And Deductions (Schedule Of Other Income) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income	$ 46		$ 33		$ 78		$ 80
Allowance for Funds Used During Construction	7		6		13		12
Solar Loan Interest	6		5		12		11
Other	3		8		7		10
Total Other Income	62		52		110		113
PSE And G [Member]
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income	0		0		0		0
Allowance for Funds Used During Construction	7		6		13		12
Solar Loan Interest	6		5		12		11
Other	1		4		3		5
Total Other Income	14		15		28		28
Power [Member]
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income	46		33		78		80
Allowance for Funds Used During Construction	0		0		0		0
Solar Loan Interest	0		0		0		0
Other	0		2		1		2
Total Other Income	46		35		79		82
Other Entity [Member]
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income	0	[1]	0	[1]	0	[1]	0	[1]
Allowance for Funds Used During Construction	0	[1]	0	[1]	0	[1]	0	[1]
Solar Loan Interest	0	[1]	0	[1]	0	[1]	0	[1]
Other	2	[1]	2	[1]	3	[1]	3	[1]
Total Other Income	$ 2	[1]	$ 2	[1]	$ 3	[1]	$ 3	[1]

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