Revenues - Reconciliation of Allowance for Credit Losses (Details) - Public Service Electric and Gas Company [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Revenues [Line Items]
Balance	$ 283	$ 339
Provision	103	100
Write-offs, net of Recoveries	(171)	(156)
Balance	$ 215	$ 283