Other Income And Deductions (Schedule Of Other Income) (Detail) - USD ($) $ in Millions		3 Months Ended			6 Months Ended
		Jun. 30, 2015		Jun. 30, 2014	Jun. 30, 2015		Jun. 30, 2014
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income		$ 25		$ 46	$ 54		$ 78
Allowance for Funds Used During Construction		12		7	22		13
Solar Loan Interest		6		6	12		12
Gain on Insurance Recovery		28			28
Other		5		3	8		7
Total Other Income		76		62	124		110
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		12		7	22		13
Solar Loan Interest		6		6	12		12
Gain on Insurance Recovery		0			0
Other		1		1	3		3
Total Other Income		19		14	37		28
Power [Member]
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income		25		46	54		78
Allowance for Funds Used During Construction		0		0	0		0
Solar Loan Interest		0		0	0		0
Gain on Insurance Recovery		28			28
Other		2		0	2		1
Total Other Income		55		46	84		79
Other Entities [Member]
Component of Other Income [Line Items]
NDT Fund Gains, Interest, Dividend and Other Income		0	[1]	0	0	[1]	0	[1]
Allowance for Funds Used During Construction		0	[1]	0	0	[1]	0	[1]
Solar Loan Interest		0	[1]	0	0	[1]	0	[1]
Gain on Insurance Recovery		0			0
Other		2	[1]	2	3	[1]	3	[1]
Total Other Income	[1]	$ 2		$ 2	$ 3		$ 3

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