Income Taxes (Schedule Of Effective Tax Rates) (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
PSEG (Parent) [Member]
Effective tax rate	41.50%	35.80%	41.60%	40.20%
Power [Member]
Effective tax rate	41.10%	39.00%	41.20%	40.70%
PSE&G [Member]
Effective tax rate	41.00%	150.00%	40.70%	37.00%