Long-Term Investments (Schedule Of Long Term Investments) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2023
Long-Term Investments [Line Items]
Total Long-Term Investments		$ 624		$ 295
Distributions from Equity Method Investments		8	$ 17
Public Service Electric and Gas Company
Long-Term Investments [Line Items]
Total Long-Term Investments		143		117
Life Insurance And Supplemental Benefits [Member] | Public Service Electric and Gas Company
Long-Term Investments [Line Items]
Total Long-Term Investments		81		77
Solar Loan Investment [Member] | Public Service Electric and Gas Company
Long-Term Investments [Line Items]
Total Long-Term Investments		62		40
Partnerships And Corporate Joint Ventures [Member]
Long-Term Investments [Line Items]
Total Long-Term Investments	[1]	306		17
Leases [Member]
Long-Term Investments [Line Items]
Total Long-Term Investments		$ 175		$ 161

[1] During the year ended December 31, 2023, there were no dividends from these investments. During the years ended December 31, 2022 and 2021, dividends from these investments were $8 million and $17 million, respectively. See Note 3. Asset Dispositions and Impairments for information regarding the sales of our ownership interest in the Ocean Wind 1 project and Kalaeloa.