Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Unrealized Gains (Losses) on Available-for-Sale Securities, tax	$ 9	$ (27)	$ 85
Unrealized Gains (Losses) on Cash Flow Hedges, Tax	(13)	(2)	(2)
Pension/OPEB adjustment, tax	(10)	(127)	28
Public Service Electric and Gas Company [Member]
Unrealized Gains (Losses) on Available-for-Sale Securities, tax	$ 0	$ 0	$ 2

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
-Name Accounting Standards Codification
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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
-Name Accounting Standards Codification
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Reference 4: 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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