Commitments and Guarantees Commitments and Guarantees (Tables)

12 Months Ended

Dec. 31, 2011

Long-term Purchase Commitment [Line Items]

Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block]

As of December 31, 2011, PGE’s future minimum payments pursuant to purchase obligations for the following five years and thereafter are as follows (in millions):



	Payments Due
	2012		2013		2014		2015		2016		Thereafter		Total
Capital and other purchase commitments	$	58	$	18	$	10	$	10	$	6	$	73	$	175
Purchased power and fuel:
Electricity purchases	129		77		76		76		57		381		796
Capacity contracts	21		21		21		20		19		—		102
Public Utility Districts	7		8		8		8		7		30		68
Natural gas	49		22		22		20		12		11		136
Coal and transportation	25		19		9		—		—		—		53
Operating leases	9		10		9		10		10		196		244
Total	$	298	$	175	$	155	$	144	$	111	$	691	$	1,574

Schedule of Long-term Contracts for Purchase of Electric Power [Table Text Block]

PGE has long-term power purchase contracts with certain public utility districts in the state of Washington and with the City of Portland, Oregon. The Company is required to pay its proportionate share of the operating and debt service costs of the hydroelectric projects whether or not they are operable. The future minimum payments for the Public Utility Districts in the preceding table reflect the principal payment only and do not include interest, operation, or maintenance expenses. Selected information regarding these projects is summarized as follows (dollars in millions):



	Revenue Bonds as of December 31, 2011		PGE Share			Contract Expiration	PGE Cost, including Debt Service
	Revenue Bonds as of December 31, 2011		Output		Capacity	Contract Expiration	2011		2010		2009
					(in MW)
Priest Rapids and Wanapum	$	917	8.8	%	176	2052	$	14	$	10	$	17
Wells	259		19.4		159	2018	10		7		8
Portland Hydro	11		100.0		36	2017	4		4		4

- Definition

Tabular disclosure of information concerning the terms and significance of long term contracts to purchase power (generally referred to as purchase power agreements (PPAs) or power sale agreements (PSAs)) including date of contract expiration, share of plant output being purchased, estimated annual cost, annual minimum debt service payment required and amount of related long-term debt or lease obligations outstanding.

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- Definition

Tabular disclosure of unconditional purchase obligations that are not recognized as a liability on the balance sheet, including the nature and significant terms of an unconditional purchase obligation; the amount of the fixed and determinable portion of the obligation as of the date of the latest balance sheet presented in the aggregate and, if determinable, for each of the five succeeding fiscal years; the nature of any variable components of the obligation; the amount purchased under the obligation (for example, the take-or-pay or throughput contract) for the reporting period; and may include the amount of imputed interest necessary to reduce the obligation to present value.

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