Consolidated Statements Of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Available-for-Sale Securities, tax	$ 11	$ (37)	$ (41)
Change in Fair Value of Derivative Instruments, tax	1	1	(1)
Pension/OPEB adjustment, tax	(18)	(4)	8
PSE&G [Member]
Available-for-Sale Securities, tax	1	0	0
Power [Member]
Available-for-Sale Securities, tax	9	(39)	(41)
Pension/OPEB adjustment, tax	$ (16)	$ (3)	$ 9

Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

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