Consolidated Statements Of Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net Income	$ 1,518	$ 1,243	$ 1,275
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit for the years ended	(27)	55	19
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit for the years ended	12	(9)	(24)
Pension/OPEB adjustment, net of tax (expense) benefit for the years ended	(173)	247	(46)
Other Comprehensive Income (Loss), net of tax	(188)	293	(51)
Comprehensive Income	1,330	1,536	1,224
PSE&G [Member]
Net Income	725	612	528
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit for the years ended	1	(1)	0
Other Comprehensive Income (Loss), net of tax	1	(1)	0
Comprehensive Income	726	611	528
Power [Member]
Net Income	760	644	666
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit for the years ended	(30)	57	18
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit for the years ended	12	(10)	(24)
Pension/OPEB adjustment, net of tax (expense) benefit for the years ended	(147)	218	(46)
Other Comprehensive Income (Loss), net of tax	(165)	265	(52)
Comprehensive Income	$ 595	$ 909	$ 614