Regulatory Assets And Liabilities (Significant 2013 Orders and Pending Filings) (Details) (PSE&G [Member], USD $) In Millions, unless otherwise specified	1 Months Ended		2 Months Ended
	Mar. 31, 2014	Feb. 28, 2014	Dec. 31, 2013	Oct. 31, 2013	Apr. 29, 2013	Dec. 31, 2012	Dec. 11, 2012
PSE&G [Member]
Regulatory Assets And Liabilities [Line Items]
Approved Increase for Transmission Revenues			$ 171			$ 174
Request for increased transmission revenues				176
Self Implementing Bill Credit per therm	0.25	0.25	0.35
Self Implementing BGSS rate credit to residential customers	43	50	115
Request for WNC deficiency revenues recovery					41
Request for WNC carryover deficiency revenues recovery						24	24
Supplemental Request for WNC Carryover Deficiency Revenues Recovery			$ 26