Income Taxes (Interest And Penalties Related To Unrecognized Tax Benefits) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Interest and Penalties on Uncertain Tax Positions	$ 48	$ 38	$ 395
PSE&G [Member]
Interest and Penalties on Uncertain Tax Positions	6	1	(24)
Power [Member]
Interest and Penalties on Uncertain Tax Positions	(2)	(2)	(11)
Energy Holdings [Member]
Interest and Penalties on Uncertain Tax Positions	44	39	420
Other Subsidiaries [Member]
Interest and Penalties on Uncertain Tax Positions	$ 0	$ 0	$ 10