Other Income And Deductions (Schedule Of Other Deductions) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Component of Other Deductions [Line Items]
NDT Fund Realized Losses and Expenses	$ 34		$ 58		$ 50
Gains (Losses) on Extinguishment of Debt			15		17
Other	20		25		18
Total Other Deductions	54		98		85
Power [Member]
Component of Other Deductions [Line Items]
NDT Fund Realized Losses and Expenses	34		58		50
Gains (Losses) on Extinguishment of Debt			15		17
Other	15		17		12
Total Other Deductions	49		90		79
PSE&G [Member]
Component of Other Deductions [Line Items]
NDT Fund Realized Losses and Expenses	0		0		0
Gains (Losses) on Extinguishment of Debt			0		0
Other	3		5		4
Total Other Deductions	3		5		4
Other Segments [Member]
Component of Other Deductions [Line Items]
NDT Fund Realized Losses and Expenses	0	[1]	0	[1]	0	[1]
Gains (Losses) on Extinguishment of Debt			0		0	[1]
Other	2	[1]	3	[1]	2	[1]
Total Other Deductions	$ 2	[1]	$ 3	[1]	$ 2	[1]

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