Accumulated Other Comprehensive Income (Loss), Net of Tax (Tables)

3 Months Ended

Mar. 31, 2013

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Changes in Accumulated Other Comprehensive Income by Component

	Other Comprehensive Income (Loss)
PSEG	Three Months Ended March 31, 2013
Accumulated Other Comprehensive Income (Loss)	Derivative Contracts			Pension and OPEB Plans			Available-for -Sale Securities		Total
	Millions
Balance as of December 31, 2012	$	7		$	(485	)	$	90	$	(388	)
Other Comprehensive Income before Reclassifications	—			—			27		27
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	(4		)	10			—		6
Net Current Period Other Comprehensive Income (Loss)	(4		)	10			27		33
Balance as of March 31, 2013	$	3		$	(475	)	$	117	$	(355	)

	Other Comprehensive Income (Loss)
Power	Three Months Ended March 31, 2013
Accumulated Other Comprehensive Income (Loss)	Derivative Contracts			Pension and OPEB Plans			Available-for -Sale Securities		Total
	Millions
Balance as of December 31, 2012	$	9		$	(422	)	$	85	$	(328	)
Other Comprehensive Income before Reclassifications	—			—			27		27
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	(4		)	9			—		5
Net Current Period Other Comprehensive Income (Loss)	(4		)	9			27		32
Balance as of March 31, 2013	$	5		$	(413	)	$	112	$	(296	)

Reclassifications out of Accumulated Other Comprehensive Income

		Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) to Income Statement
PSEG		Three Months Ended March 31, 2013
Description of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	Location of Pre-Tax Amount In Statement of Operations	Pre-Tax Amount			Tax (Expense) Benefit			After-Tax Amount
		Millions
Derivative Contracts
Gains (Losses) on Cash Flow Hedges	Operating Revenues	$	6		$	(2	)	$	4
Pension and OPEB Plans
Amortization of Prior Service Cost (Credit)	Operation and Maintenance Expense	4			(2		)	2
Amortization of Actuarial Loss	Operation and Maintenance Expense	(21		)	9			(12		)
Available-for-Sale Securities
Realized Gains (Losses) on NDT Fund	Other Income	2			(1		)	1
Other-Than-Temporary Impairments on NDT Fund	Other-Than-Temporary Impairments	(2		)	1			(1		)
Total		$	(11	)	$	5		$	(6	)

		Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) to Income Statement
Power		Three Months Ended March 31, 2013
Description of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	Location of Pre-Tax Amount In Statement of Operations	Pre-Tax Amount			Tax (Expense) Benefit			After-Tax Amount
		Millions
Derivative Contracts
Gains (Losses) on Cash Flow Hedges	Operating Revenues	$	6		$	(2	)	$	4
Pension and OPEB Plans
Amortization of Prior Service Cost (Credit)	Operation and Maintenance Expense	2			(1		)	1
Amortization of Actuarial Loss	Operation and Maintenance Expense	(16		)	6			(10		)
Available-for-Sale Securities
Realized Gains (Losses) on NDT Fund	Other Income	2			(1		)	1
Other-Than-Temporary Impairments on NDT Fund	Other-Than-Temporary Impairments	(2		)	1			(1		)
Total		$	(8	)	$	3		$	(5	)

Schedule of Accumulated Other Comprehensive Income (Loss)

	Balance as of December 31, 2011			Other Comprehensive Income (Loss) Three Months Ended March 31, 2012							Balance as of March 31, 2012
				Power		PSE&G			Other
	Millions
Derivative Contracts	$	31		$	—	$	—		$	—	$	31
Pension and OPEB Plans	(438		)	7		—			—		(431		)
Available-for-Sale Securities	70			37		(1		)	1		107
Accumulated Other Comprehensive Income (Loss)	$	(337	)	$	44	$	(1	)	$	1	$	(293	)