Pension, OPEB and Savings Plans (Schedule Of Amount Paid For Employer Matching Contributions) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total Employer Matching Contributions	$ 43	$ 42	$ 44
Public Service Electric and Gas Company
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total Employer Matching Contributions	29	28	28
Other [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total Employer Matching Contributions	$ 14	$ 14	$ 16