Other Income And Deductions (Schedule Of Other Deductions) (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 Deductions [Line Items]
NDT Fund Realized Losses and Expenses	$ 8		$ 9		$ 14		$ 29
Other	2		4		8		13
Total Other Deductions	10		13		22		42
Power [Member]
Component of Other Deductions [Line Items]
NDT Fund Realized Losses and Expenses	8		9		14		29
Other	1		1		5		9
Total Other Deductions	9		10		19		38
PSE And G [Member]
Component of Other Deductions [Line Items]
NDT Fund Realized Losses and Expenses	0		0		0		0
Other	1		1		1		2
Total Other Deductions	1		1		1		2
Other Entity [Member]
Component of Other Deductions [Line Items]
NDT Fund Realized Losses and Expenses	0	[1]	0	[1]	0	[1]	0	[1]
Other	0	[1]	2	[1]	2	[1]	2	[1]
Total Other Deductions	$ 0	[1]	$ 2	[1]	$ 2	[1]	$ 2	[1]

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