Regulatory Assets And Liabilities (Tables)

12 Months Ended

Dec. 31, 2011

Regulatory Assets And Liabilities [Abstract]

Schedule Of Regulatory Assets And Liabilities

As of December 31,
	2011		2010		Recovery/Refund Period
	Millions
Regulatory Assets
Current:
Non-Utility Generation Charge (NGC)	$	0	$	66	Annual filing for recovery(1)(2)
Underrecovered Electric Costs—BGS		28		12	Various(1)(2)
Societal Benefits Charges (SBC)		87		74	Annual filing for recovery(1)(2)
Renewables & Energy Efficiency		10		0	Annual filing for recovery(1)(2)
Capital Stimulus Undercollection		21		0	Annual filing for recovery(1)(2)
Gas Weather Normalization Deferral		2		0	Annual filing for recovery(2)
OPEB Costs		19		0	Through December 2012(2)
FERC Formula Rate True-up		0		3	Annual filing for recovery(1)(2)
Total Current Regulatory Assets	$	167	$	155
Noncurrent
Stranded Costs To Be Recovered	$	1,460	$	1,776	Through December 2016(1)(2)
Manufactured Gas Plant (MGP) Remediation Costs		635		661	Various(2)
Pension and Other Postretirement		1,280		953	Various
Deferred Income Taxes		393		402	Various
Remediation Adjustment Clause (Other SBC)		92		119	Through 2019(1)(2)
New Jersey Clean Energy Program		253		430	Through February 2013(1)(2)
Gas Contract Mark-to-Market		110		50	Various(1)
OPEB Costs		0		39	Through December 2012(2)
Unamortized Loss on Reacquired Debt and Debt Expense		96		102	Over remaining debt life(1)
Conditional Asset Retirement Obligation		84		72	Various
Repair Allowance Taxes		17		27	Through August 2013(1)(2)
Regulatory Restructuring Costs		8		13	Through August 2013(1)(2)
Gas Margin Adjustment Clause		29		44	Through July 2015(2)
Customer Care System		15		20	Through July 2014
Plant and Regulatory Study Costs		7		9	Through December 2021(2)
Incurred But Not Reported Claim Reserve		15		14	Various
Asbestos Abatement		6		7	Through 2020(2)
Cape May Street Cleanup		9		8	To be determined
Renewables & Energy Efficiency		140		96	Various(2)
Storm Damage		68		8	To be determined
Other		13		14	Various
Total Noncurrent Regulatory Assets	$	4,730	$	4,864
Total Regulatory Assets	$	4,897	$	5,019

	As of December 31,
	2011		2010		Recovery/Refund Period
	Millions
Regulatory Liabilities
Current:
Market Transition Charge Refund, net	$	23	$	58	Through June 2012(2)
Deferred Income Taxes		39		46	Various
Overrecovered Gas Costs—BGSS		30		40	Annual filing for recovery(1)(2)
Renewables & Energy Efficiency		2		7	Annual filing for recovery(1)(2)
Excess Cost of Removal		0		11	Recovery ends November 2011
Capital Stimulus Overcollection		0		5	Annual filing for recovery(1)(2)
FERC Formula Rate True-up		1		5	Annual filing for recovery(1)(2)
NGC		5		0	Annual filing for recovery(1)(2)
BGS Retail Adder		0		2	Charge ends June 2011
Current Regulatory Liabilities	$	100	$	174
Noncurrent:
Electric Cost of Removal	$	222	$	244	Reduced as cost is incurred
Market Transition Charge Refund, net		0		26	January - June 2012
Gas Weather Normalization Deferral		0		9	Annual filing for recovery(1)(2)
Other		15		14	Various(1)
Total Noncurrent Regulatory Liabilities	$	237	$	293
Total Regulatory Liabilities	$	337	$	467

(1) Recovered/Refunded with interest

(2) Recoverable/Refundable per specific rate order