Organization, Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Excise And Gross Receipts Tax Information) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
TEFA	$ 0	$ 68	$ 98
PSE&G [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
TEFA	0	68	98
Operating Revenues [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
TEFA		74	108
TEFA And GRT [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
TEFA		$ 68	$ 98