Pension, OPEB and Savings Plans (Schedule Of Amount Paid For Employer Matching Contributions) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total Employer Matching Contributions	$ 36	$ 33	$ 32
Power [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total Employer Matching Contributions	11	10	10
PSE&G [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total Employer Matching Contributions	20	19	18
Other [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total Employer Matching Contributions	$ 5	$ 4	$ 4