Trust Investments - Schedule of Fair Value of Rabbi Trust (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Schedule of Trust Investments [Line Items]
Total Rabbi Trust Investments	$ 164	$ 165
Public Service Electric and Gas Company [Member]
Schedule of Trust Investments [Line Items]
Total Rabbi Trust Investments	29	30
Rabbi Trust [Member]
Schedule of Trust Investments [Line Items]
Total Rabbi Trust Investments	164	165
Rabbi Trust [Member] \| Public Service Electric and Gas Company [Member]
Schedule of Trust Investments [Line Items]
Total Rabbi Trust Investments	29	30
Rabbi Trust [Member] \| PSEG Power & Other
Schedule of Trust Investments [Line Items]
Total Rabbi Trust Investments	$ 135	$ 135

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details