Financial Risk Management Activities (Tables)

12 Months Ended

Dec. 31, 2016

Disclosure Financial Risk Management Activities [Abstract]

Schedule Of Derivative Instruments Fair Value In Balance Sheets

The following tabular disclosure does not include the offsetting of trade receivables and payables.

	As of December 31, 2016
	Power (A)										PSE&G (A)			PSEG (A)		Consolidated
		Not Designated									Not Designated			Cash Flow Hedges
Balance Sheet Location		Energy- Related Contracts			Netting (B)			Total Power			Energy- Related Contracts			Interest Rate Swaps		Total Derivatives
	Millions
Derivative Contracts
Current Assets		$	435		$	(273	)	$	162		$	—		$	1	$	163
Noncurrent Assets		122			(98		)	24			—			—		24
Total Mark-to-Market Derivative Assets		$	557		$	(371	)	$	186		$	—		$	1	$	187
Derivative Contracts
Current Liabilities		$	(285	)	$	277		$	(8	)	$	(5	)	$	—	$	(13	)
Noncurrent Liabilities		(98		)	95			(3		)	—			—		(3		)
Total Mark-to-Market Derivative (Liabilities)		$	(383	)	$	372		$	(11	)	$	(5	)	$	—	$	(16	)
Total Net Mark-to-Market Derivative Assets (Liabilities)		$	174		$	1		$	175		$	(5	)	$	1	$	171

	As of December 31, 2015
	Power (A)										PSE&G (A)			PSEG (A)		Consolidated
		Not Designated									Not Designated			Fair Value Hedges
Balance Sheet Location		Energy- Related Contracts			Netting (B)			Total Power			Energy- Related Contracts			Interest Rate Swaps		Total Derivatives
	Millions
Derivative Contracts
Current Assets		$	700		$	(477	)	$	223		$	13		$	6	$	242
Noncurrent Assets		208			(131		)	77			—			—		77
Total Mark-to-Market Derivative Assets		$	908		$	(608	)	$	300		$	13		$	6	$	319
Derivative Contracts
Current Liabilities		$	(513	)	$	437		$	(76	)	$	—		$	—	$	(76	)
Noncurrent Liabilities		(132		)	116			(16		)	(11		)	—		(27		)
Total Mark-to-Market Derivative (Liabilities)		$	(645	)	$	553		$	(92	)	$	(11	)	$	—	$	(103	)
Total Net Mark-to-Market Derivative Assets (Liabilities)		$	263		$	(55	)	$	208		$	2		$	6	$	216

(A) Substantially all of Power's and PSEG's derivative instruments are contracts subject to master netting agreements. Contracts not subject to master netting or similar agreements are immaterial and did not have any collateral posted or received as of December 31, 2016 and 2015. PSE&G does not have any derivative contracts subject to master netting or similar agreements.

(B) Represents the netting of fair value balances with the same counterparty (where the right of offset exists) and the application of collateral. All cash collateral received or posted that has been allocated to derivative positions, where the right of offset exists, has been offset on the Consolidated Balance Sheets. As of December 31, 2016 and 2015, net cash collateral (received) paid of $1 million and $(55) million, respectively, were netted against the corresponding net derivative contract positions. Of the $1 million as of December 31, 2016, $(3) million was netted against noncurrent assets and $4 million was netted against current liabilities. Of the $(55) million as of December 31, 2015, cash collateral of $(53) million and $(16) million were netted against current assets and noncurrent assets, respectively, and $12 million and $2 million were netted against current liabilities and noncurrent liabilities, respectivel

Schedule Of Derivative Instruments Designated As Cash Flow Hedges

The following shows the effect on the Consolidated Statements of Operations and on Accumulated Other Comprehensive Income (AOCI) of derivative instruments designated as cash flow hedges for the years ended December 31, 2016, 2015 and 2014.

	Amount of Pre-Tax Gain (Loss) Recognized in AOCI on Derivatives (Effective Portion)						Location of Pre-Tax Gain (Loss) Reclassified from AOCI into Income	Amount of Pre-Tax Gain (Loss) Reclassified from AOCI into Income (Effective Portion)
Derivatives in Cash Flow Hedging Relationships	Years Ended December 31,							Years Ended December 31,
	2016		2015		2014			2016		2015		2014
	Millions							Millions
PSEG
Energy-Related Contracts	$	—	$	3	$	12	Operating Revenues	$	—	$	20	$	(9	)
Interest Rate Swaps	3		—		—		Interest Expense	—		—		—
Total PSEG	$	3	$	3	$	12		$	—	$	20	$	(9	)
Power
Energy-Related Contracts	$	—	$	3	$	12	Operating Revenues	$	—	$	20	$	(9	)
Total Power	$	—	$	3	$	12		$	—	$	20	$	(9	)

There were no pre-tax gain (loss) recognized in income on derivatives (ineffective portion) as of December 31, 2016, 2015 and 2014.

Schedule Of Reconciliation For Derivative Activity Included In Accumulated Other Comprehensive Loss

The following reconciles the AOCI for derivative activity included in the Accumulated Other Comprehensive Loss of PSEG on a pre-tax and after-tax basis.

Accumulated Other Comprehensive Income	Pre-Tax			After-Tax
	Millions
Balance as of December 31, 2014	$	17		$	10
Gain Recognized in AOCI	3			2
Less: Gain Reclassified into Income	(20		)	(12		)
Balance as of December 31, 2015	$	—		$	—
Gain Recognized in AOCI	3			2
Less: Gain Reclassified into Income	—			—
Balance as of December 31, 2016	$	3		$	2

Schedule Of Derivative Instruments Not Designated As Hedging Instruments And Impact On Results Of Operations

The following shows the effect on the Consolidated Statements of Operations of derivative instruments not designated as hedging instruments or as NPNS for the years ended December 31, 2016, 2015 and 2014.

Derivatives Not Designated as Hedges	Location of Pre-Tax Gain (Loss) Recognized in Income on Derivatives	Pre-Tax Gain (Loss) Recognized in Income on Derivatives
		Years Ended December 31,
		2016			2015			2014
		Millions
PSEG and Power
Energy-Related Contracts	Operating Revenues	$	230		$	412		$	(348	)
Energy-Related Contracts	Energy Costs	(8		)	(8		)	32
Total PSEG and Power		$	222		$	404		$	(316	)

Schedule Of Gross Volume, On Absolute Value Basis For Derivative Contracts

The following reflects the gross volume, on an absolute value basis, of derivatives as of December 31, 2016 and 2015.

Type	Notional	Total	PSEG	Power	PSE&G
	Millions
As of December 31, 2016
Natural Gas	Dth	357	—	348	9
Electricity	MWh	323	—	323	—
Financial Transmission Rights (FTRs)	MWh	9	—	9	—
Interest Rate Swaps	U.S. Dollars	500	500	—	—
As of December 31, 2015
Natural Gas	Dth	201	—	168	33
Electricity	MWh	299	—	299	—
FTRs	MWh	23	—	23	—
Interest Rate Swaps	U.S. Dollars	550	550	—	—

Schedule Providing Credit Risk From Others, Net Of Collateral

.

The following table provides information on Power’s credit risk from others, net of collateral, as of December 31, 2016. It further delineates that exposure by the credit rating of the counterparties, which is determined by the lowest rating from S&P, Moody’s or an internal scoring model. In addition, it provides guidance on the concentration of credit risk to individual counterparties and an indication of the quality of Power’s credit risk by credit rating of the counterparties.

Rating	Current Exposure		Securities held as Collateral		Net Exposure		Number of Counterparties >10%	Net Exposure of Counterparties >10%
	Millions							Millions
Investment Grade	$	423	$	94	$	329	1	$	219	(A)
Non-Investment Grade	26		1		25		—	—
Total	$	449	$	95	$	354	1	$	219

(A) Represents net exposure with PSE&G.