v3.26.1
Revenues - Reconciliation of Allowance for Credit Losses (Details) - Public Service Electric and Gas Company [Member] - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Revenues [Line Items]    
Balance $ 254 $ 215
Provision 35 37
Write-offs, net of Recoveries (30) (18)
Balance $ 259 $ 234