Revenues - Reconciliation of Allowance for Credit Losses (Details) - Public Service Electric and Gas Company [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Revenues [Line Items]
Balance	$ 215	$ 283
Provision	145	103
Write-offs, net of Recoveries	(106)	(171)
Balance	$ 254	$ 215