Income Taxes (Schedule Of Effective Tax Rates) (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
PSEG [Member]
Effective tax rate	34.80%	39.60%	38.40%	40.10%
Power [Member]
Effective tax rate	28.90%	39.90%	37.80%	39.60%
PSE And G [Member]
Effective tax rate	36.50%	37.20%	38.60%	39.60%