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Revenues - Reconciliation of Allowance for Credit Losses (Parenthetical) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Public Service Electric and Gas Company [Member]
Revenues [Line Items]
Recoveries	$ 10	$ 7	$ 19	$ 14

X

- Definition

Amount of increase in allowance for credit loss on accounts receivable, from recovery.

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