Available-For-Sale Securities (Tables)

12 Months Ended

Dec. 31, 2011

Available-For-Sale Securities [Line Items]

Fair Values And Gross Unrealized Gains And Losses For The Securities Held In The NDT Fund

	As of December 31, 2011
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	Millions
Equity Securities	$	582	$	126	$	(23	)	$	685
Debt Securities
Government Obligations		343		16		0			359
Other Debt Securities		268		15		(2	)		281
Total Debt Securities		611		31		(2	)		640
Other Securities		24		0		0			24
Total Available-for-Sale Securities	$	1,217	$	157	$	(25	)	$	1,349

	As of December 31, 2010
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	Millions
Equity Securities	$	525	$	213	$	(3	)	$	735
Debt Securities
Government Obligations		301		6		(4	)		303
Other Debt Securities		247		10		(2	)		255
Total Debt Securities		548		16		(6	)		558
Other Securities		70		0		0			70
Total Available-for-Sale Securities	$	1,143	$	229	$	(9	)	$	1,363

Schedule Of Accounts Receivable And Accounts Payable

	As of December 31, 2011		As of December 31, 2010
	Millions
Accounts Receivable	$	27	$	35
Accounts Payable	$	22	$	60

Value Of Securities That Have Been In An Unrealized Loss Position For Less Than And Greater Than 12 Months

	As of December 31, 2011										As of December 31, 2010
	Less Than 12 Months					Greater Than 12 Months					Less Than 12 Months					Greater Than 12 Months
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Equity Securities (A)	$	183	$	(23	)	$	0	$	0		$	55	$	(3	)	$	0	$	0
Debt Securities
Government Obligations (B)		20		0			3		0			106		(4	)		1		0
Other Debt Securities (C)		56		(1	)		4		(1	)		65		(1	)		8		(1	)
Total Debt Securities		76		(1	)		7		(1	)		171		(5	)		9		(1	)
Other Securities		0		0			0		0			0		0			0		0
Total Available-for-Sale Securities	$	259	$	(24	)	$	7	$	(1	)	$	226	$	(8	)	$	9	$	(1	)

(A) Equity Securities—Investments in marketable equity securities within the NDT Fund are primarily investments in common stocks within a broad range of industries and sectors. The unrealized losses are distributed over hundreds of companies with limited impairment durations. Power does not consider these securities to be other-than-temporarily impaired as of December 31, 2011.

(B) Debt Securities (Government)—Unrealized losses on Power's NDT investments in United States Treasury obligations and Federal Agency mortgage-backed securities were caused by interest rate changes. Since these investments are guaranteed by the United States government or an agency of the United States government, it is not expected that these securities will settle for less than their amortized cost basis, since Power does not intend to sell nor will it be more-likely-than-not required to sell. Power does not consider these securities to be other-than-temporarily impaired as of December 31, 2011.

(C) Debt Securities (Corporate)—Power's investments in corporate bonds are primarily in investment grade securities. It is not expected that these securities would settle for less than their amortized cost. Since Power does not intend to sell these securities nor will it be more-likely-than-not required to sell, Power does not consider these debt securities to be other-than-temporarily impaired as of December 31, 2011.

Proceeds From The Sales Of And The Net Realized Gains On Securities In The NDT Fund

	Years Ended December 31,
	2011			2010			2009
	Millions
Proceeds from Sales	$	1,355		$	958		$	1,769
Net Realized Gains:
Gross Realized Gains	$	144		$	119		$	183
Gross Realized Losses		(45	)		(39	)		(135	)
Net Realized Gains	$	99		$	80		$	48

Amount Of Available-For-Sale Debt Securities By Maturity Periods

Time Frame	Fair Value
	Millions
Less than one year	$	10
1 - 5 years		132
6 - 10 years		177
11 - 15 years		42
16 - 20 years		14
Over 20 years		265
	$	640

Securities Held In The Rabbi Trusts

	As of December 31, 2011
	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	Millions
Equity Securities	$	16	$	3	$	0	$	19
Debt Securities		148		5		0		153
Total PSEG Available-for-Sale Securities	$	164	$	8	$	0	$	172

	As of December 31, 2010
	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	Millions
Equity Securities	$	16	$	2	$	0	$	18
Debt Securities		142		0		0		142
Total PSEG Available-for-Sale Securities	$	158	$	2	$	0	$	160

Rabbi Trust [Member]

Available-For-Sale Securities [Line Items]

Proceeds From The Sales Of And The Net Realized Gains On Securities In The NDT Fund

	Years Ended December 31,
	2011		2010		2009
	Millions
Proceeds from Sales	$	0	$	158	$	2
Net Realized Gains (Losses):
Gross Realized Gains	$	0	$	31	$	0
Gross Realized Losses		0		0		(1	)
Net Realized Gains (Losses)	$	0	$	31	$	(1	)

Fair Value Of The Rabbi Trusts

	As of December 31, 2011		As of December 31, 2010
	Millions
Power	$	33	$	32
PSE&G		57		54
Other		82		74
Total PSEG Available-for-Sale Securities	$	172	$	160