Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Available-for-Sale Securities, tax	$ (54)	$ (24)	$ 43
Change in Fair Value of Derivative Instruments, tax	7	18	54
Pension/OPEB adjustment, tax	(172)	32	44
Power [Member]
Available-for-Sale Securities, tax	(55)	(24)	45
Change in Fair Value of Derivative Instruments, tax	7	18	54
Pension/OPEB adjustment, tax	(151)	32	40
PSE&G [Member]
Available-for-Sale Securities, tax	$ 1	$ 0	$ (1)