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Income Taxes Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Taxes [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

Income tax expense (benefit) consists of the following (in millions):

	Years Ended December 31,
	2012				2011				2010
Current:
Federal	$	16			$	2			$	(20	)
State and local	1				—				—
	17				2				(20		)
Deferred:
Federal	30				43				61
State and local	17				13				12
	47				56				73
Income tax expense	$	64			$	58			$	53

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The significant differences between the U.S. federal statutory rate and PGE’s effective tax rate for financial reporting purposes are as follows:

	Years Ended December 31,
	2012			2011			2010
Federal statutory tax rate	35.0	%		35.0	%		35.0	%
Federal tax credits	(11.8	)		(12.7	)		(10.4	)
State and local taxes, net of federal tax benefit	3.5			2.6			4.4
Adjustment to deferred taxes for change in blended composite state tax rate	2.6			—			—
Flow through depreciation and cost basis differences	2.4			2.1			0.1
Other	(0.6	)		1.3			1.2
Effective tax rate	31.1	%		28.3	%		30.3	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

Deferred income tax assets and liabilities consist of the following (in millions):

	As of December 31,
	2012				2011
Deferred income tax assets:
Employee benefits	$	162			$	135
Price risk management	77				145
Tax credits, net of valuation allowance	55				56
Regulatory liabilities	20				22
Tax loss carryforwards	—				1
Total deferred income tax assets	314				359
Deferred income tax liabilities:
Depreciation and amortization	623				572
Regulatory assets	224				274
Other	4				9
Total deferred income tax liabilities	851				855
Deferred income tax liability, net	$	(537	)		$	(496	)
Classification of net deferred income taxes:
Current deferred income tax asset (1)	$	51			$	33
Noncurrent deferred income tax liability	(588		)		(529		)
	$	(537	)		$	(496	)

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

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- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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