Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020		Dec. 31, 2019		Dec. 31, 2018
Net Income	$ 1,905	[1]	$ 1,693	[1]	$ 1,438
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit for the years ended	25		41		(17)
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit for the years ended	6		(14)		(1)
Pension/OPEB adjustment, net of tax (expense) benefit for the years ended	(46)		(58)		46
Other Comprehensive Income (Loss), net of tax	(15)		(31)		28
Comprehensive Income	1,890		1,662		1,466
Public Service Electric and Gas Company
Net Income	1,327		1,250		1,067
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		3		(1)
Other Comprehensive Income (Loss), net of tax	1		3		(1)
Comprehensive Income	1,328		1,253		1,066
PSEG Power LLC
Net Income	594		468		365
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit for the years ended	21		32		(13)
Pension/OPEB adjustment, net of tax (expense) benefit for the years ended	(39)		(45)		41
Other Comprehensive Income (Loss), net of tax	(18)		(13)		28
Comprehensive Income	$ 576		$ 455		$ 393

[1] Includes an after-tax gain of $86 million in the year ended December 31, 2020 related to the sale of PSEG Power’s interest in the Yards Creek generation facility and an after-tax loss of $286 million in the year ended December 31, 2019 related to the sale of PSEG Power’s ownership interests in the Keystone and Conemaugh fossil generation plants. See Note 4. Early Plant Retirements/Asset Dispositions for additional information.