Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Unrealized Gains (Losses) on Available-for-Sale Securities, tax	$ (24)	$ 19	$ (14)	$ 8
Unrealized Gains (Losses) on Cash Flow Hedges, Tax	3	(4)	(4)	(8)
Pension/OPEB adjustment, tax	(1)	(126)	(2)	(129)
Public Service Electric and Gas Company [Member]
Unrealized Gains (Losses) on Available-for-Sale Securities, tax	$ 0	$ 0	$ 0	$ 0

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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