Other Income And Deductions (Schedule Of Other Income) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income	$ 55		$ 45		$ 133		$ 125
Allowance for Funds Used During Construction	8		5		21		17
Solar Loan Interest	6		7		18		18
Other	6		2		13		12
Total Other Income	75		59		185		172
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	8		5		21		17
Solar Loan Interest	6		7		18		18
Other	2		1		5		6
Total Other Income	16		13		44		41
Power [Member]
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income	55		45		133		125
Allowance for Funds Used During Construction	0		0		0		0
Solar Loan Interest	0		0		0		0
Other	1		0		2		2
Total Other Income	56		45		135		127
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	3	[1]	1	[1]	6	[1]	4	[1]
Total Other Income	$ 3	[1]	$ 1	[1]	$ 6	[1]	$ 4	[1]

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