Income Taxes (Schedule Of Effective Tax Rates) (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
PSEG [Member]
Effective tax rate	39.60%	40.90%	40.10%	33.70%
Power [Member]
Effective tax rate	40.60%	41.20%	40.30%	40.30%
PSE And G [Member]
Effective tax rate	37.20%	38.40%	39.60%	32.70%