Price Risk Management (Tables)

3 Months Ended

Mar. 31, 2014

Derivative [Line Items]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

PGE’s Assets and Liabilities from price risk management activities consist of the following (in millions):

	March 31, 2014			December 31, 2013
Current assets:
Commodity contracts:
Electricity	$	4		$	9
Natural gas	14			4
Total current derivative assets	18		(1)	13		(1)
Noncurrent assets:
Commodity contracts:
Electricity	—			1
Natural gas	3			—
Total noncurrent derivative assets	3		(2)	1		(2)
Total derivative assets not designated as hedging instruments	$	21		$	14
Total derivative assets	$	21		$	14
Current liabilities:
Commodity contracts:
Electricity	$	33		$	20
Natural gas	19			29
Total current derivative liabilities	52			49
Noncurrent liabilities:
Commodity contracts:
Electricity	102			107
Natural gas	24			34
Total noncurrent derivative liabilities	126			141
Total derivative liabilities not designated as hedging instruments	$	178		$	190
Total derivative liabilities	$	178		$	190

(1) Included in Other current assets on the condensed consolidated balance sheets.

(2) Included in Other noncurrent assets on the condensed consolidated balance sheets.

Schedule of Derivative Instruments [Table Text Block]

PGE’s net volumes related to its Assets and Liabilities from price risk management activities resulting from its derivative transactions, which are expected to deliver or settle through 2035, were as follows (in millions):

	March 31, 2014			December 31, 2013
Commodity contracts:
Electricity	22		MWh	14		MWh
Natural gas	104		Decatherms	106		Decatherms
Foreign currency	$	2	Canadian	$	7	Canadian

Price Risk Management Assets and Liabilities Subject to Master Netting Agreements [Table Text Block]

Price risk management liabilities subject to master netting agreements is as follows (in millions):

							Gross Amounts Not Offset in
	Gross		Gross		Net		Condensed Consolidated
	Amounts		Amounts		Amounts		Balance Sheets
	Recognized		Offset		Presented		Derivatives			Cash Collateral(1)		Net Amount
As of March 31, 2014:
Liabilities:
Commodity contracts:
Electricity(2)	$	90	$	—	$	90	$	(90	)	$	—	$	—
Natural gas(2)	1		—		1		(1		)	—		—
	$	91	$	—	$	91	$	(91	)	$	—	$	—
As of December 31, 2013:
Liabilities:
Commodity contracts:
Electricity(2)	$	91	$	—	$	91	$	(91	)	$	—	$	—
Natural gas(2)	1		—		1		(1		)	—		—
	$	92	$	—	$	92	$	(92	)	$	—	$	—

(1) As of March 31, 2014, the Company had no collateral posted. As of December 31, 2013, PGE had posted collateral in the amount of $7 million, which consisted entirely of letters of credit.

(2) Included in Liabilities from price risk management activities—current and Liabilities from price risk management activities—noncurrent.

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

Net realized and unrealized (gains) losses on derivative transactions not designated as hedging instruments are recorded in Purchased power and fuel in the condensed consolidated statements of income and were as follows (in millions):

	Three Months Ended March 31,
	2014			2013
Commodity contracts:
Electricity	$	9		$	8
Natural Gas	(36		)	(8		)

Net unrealized and certain net realized (gains) losses presented in the table above are offset within the condensed consolidated statements of income by the effects of regulatory accounting.

Schedule of Price Risk Derivatives [Table Text Block]

Assuming no changes in market prices and interest rates, the following table indicates the year in which the net unrealized loss recorded as of March 31, 2014 related to PGE’s derivative activities would become realized as a result of the settlement of the underlying derivative instrument (in millions):

	2014		2015		2016		2017		2018		Thereafter		Total
Commodity contracts:
Electricity	$	28	$	23	$	13	$	5	$	5	$	57	$	131
Natural gas	7		3		10		6		—		—		26
Net unrealized loss	$	35	$	26	$	23	$	11	$	5	$	57	$	157

Schedule of Concentration of Risk, by Counterparty [Table Text Block]

Counterparties representing 10% or more of Assets and Liabilities from price risk management activities were as follows:

	March 31, 2014		December 31, 2013
Assets from price risk management activities:
Counterparty A	20	%	5	%
Counterparty B	18		53
Counterparty C	15		6
Counterparty D	10		5
	63	%	69	%
Liabilities from price risk management activities:
Counterparty E	46	%	43	%
Counterparty F	12		11
	58	%	54	%