Income Taxes (Schedule Of Effective Tax Rates) (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
PSEG [Member]
Effective tax rate	37.00%	41.00%	37.80%	40.50%
Power [Member]
Effective tax rate	39.40%	40.50%	38.60%	40.00%
PSE And G [Member]
Effective tax rate	38.50%	40.60%	38.60%	40.00%