Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Public Service Electric and Gas Company
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Basis Adjustment	$ 986	$ 986

Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]

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