Other Income And Deductions (Schedule Of Other Income) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income	$ 152	$ 194	$ 186
Allowance for Funds Used During Construction	24	23	9
Solar Loan Interest	23	18	10
Other	(14)	(25)	(15)
Total Other Income	213	260	220
Power [Member]
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income	152	194	186
Allowance for Funds Used During Construction	0	0	0
Solar Loan Interest	0	0	0
Other	(2)	(7)	(4)
Total Other Income	154	201	190
PSE&G [Member]
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income	0	0	0
Allowance for Funds Used During Construction	24	23	9
Solar Loan Interest	23	18	10
Other	(7)	(11)	(6)
Total Other Income	54	52	25
Other Segments [Member]
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income	0	0	0
Allowance for Funds Used During Construction	0	0	0
Solar Loan Interest	0	0	0
Other	(5)	(7)	(5)
Total Other Income	$ 5	$ 7	$ 5