Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net Income	$ 1,693	$ 1,438	$ 1,574
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit for the years ended	41	(17)	44
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit for the years ended	(14)	(1)	(2)
Pension/OPEB adjustment, net of tax (expense) benefit for the years ended	(58)	46	(8)
Other Comprehensive Income (Loss), net of tax	(31)	28	34
Comprehensive Income	1,662	1,466	1,608
Public Service Electric and Gas Company
Net Income	1,250	1,067	973
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit for the years ended	3	(1)	(1)
Other Comprehensive Income (Loss), net of tax	3	(1)	(1)
Comprehensive Income	1,253	1,066	972
PSEG Power LLC
Net Income	468	365	479
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit for the years ended	32	(13)	46
Pension/OPEB adjustment, net of tax (expense) benefit for the years ended	(45)	41	(7)
Other Comprehensive Income (Loss), net of tax	(13)	28	39
Comprehensive Income	$ 455	$ 393	$ 518