Organization, Basis of Presentation and Summary of Significant Accounting Policies - Depreciation Rate Stated Percentage (Details) - Public Service Electric and Gas Company [Member]	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Electric Transmission [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Depreciation Rate	2.12%	2.09%	2.09%
Electric Distribution [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Depreciation Rate	2.54%	2.51%	2.54%
Gas Distribution [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Depreciation Rate	1.84%	1.84%	1.84%