Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net Income	$ 887	$ 1,679	$ 1,518
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit for the years ended	42	(27)	(27)
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit for the years ended	2	(10)	12
Pension/OPEB adjustment, net of tax (expense) benefit for the years ended	(12)	25	(173)
Other Comprehensive Income (Loss), net of tax	32	(12)	(188)
Comprehensive Income	919	1,667	1,330
PSE&G [Member]
Net Income	889	787	725
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit for the years ended	0	(1)	1
Other Comprehensive Income (Loss), net of tax	0	(1)	1
Comprehensive Income	889	786	726
Power [Member]
Net Income	18	856	760
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit for the years ended	42	(25)	(30)
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit for the years ended	0	(11)	12
Pension/OPEB adjustment, net of tax (expense) benefit for the years ended	(13)	24	(147)
Other Comprehensive Income (Loss), net of tax	29	(12)	(165)
Comprehensive Income	$ 47	$ 844	$ 595