Income Taxes (Schedule Of Effective Tax Rates) (Detail)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
PSEG [Member]
Effective tax rate	40.20%	40.70%
Power [Member]
Effective tax rate	40.40%	39.80%
PSE And G [Member]
Effective tax rate	40.10%	41.10%