2.2.0.25falsefalse006060 - Disclosure - Income Taxestruefalsefalse1falsefalseUSDfalsefalse1/1/2011 - 3/31/2011
USD ($)
$c20110101to20110331http://www.sec.gov/CIK0000074145duration2011-01-01T00:00:002011-03-31T00:00:00U001Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2true0ogec_IncomeTaxesAbstractogecfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalse3false0us-gaap_IncomeTaxDisclosureTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div><div><div><table align="center" border="0" cellpadding="0" cellspacing="0" width="100%" style="font-family: times new roman; font-size: 12pt;"><tr valign="top"><td style="width: 40pt;"><div style="text-indent: 0pt; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: Times New Roman; font-size: 12pt; font-weight: bold;">6.</font></div></td><td><div align="justify"><font style="display: inline; font-family: Times New Roman; font-size: 12pt; font-weight: bold;">Income Taxes</font></div></td></tr></table></div><div align="justify" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"> </div><div align="justify" style="text-indent: 40pt; display: block; margin-left: 0pt; margin-right: 0pt;"><font style="display: inline; font-family: Times New Roman; font-size: 12pt;">The Company is a member of an affiliated group that files consolidated income tax returns in the U.S. Federal jurisdiction and various state jurisdictions.  With few exceptions, the Company is no longer subject to U.S. Federal tax examinations by tax authorities for years prior to 2007 or state and local tax examinations by tax authorities for years prior to 2002. Income taxes are generally allocated to each company in the affiliated group based on its stand-alone taxable income or loss.  Federal investment tax credits previously claimed on electric utility property have been deferred and are being amortized to income over the life of the related property. The Company continues to amortize its Federal investment tax credits on a ratable basis throughout the year.  The Company earns both Federal and Oklahoma state tax credits associated with the production from its wind farms as well as earning Oklahoma state tax credits associated with the Company's investment in its electric generating facilities which further reduce the Company's effective tax rate.</font></div><div align="justify" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"> </div></div></div>6.Income Taxes The Company is a member of an affiliated group that files consolidated income tax returns in the U.S. Federal jurisdiction and variousfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescription containing the entire income tax disclosure. Examples include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. This element may be used as a single block of text to encapsulate the entire disclosure including data and tables.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 136, 172
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43, 44, 45, 46, 47, 48, 49
falsefalse12Income TaxesUnKnownUnKnownUnKnownUnKnownfalsetrue