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Schedule II (Notes) | 12 Months Ended
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Dec. 31, 2013
Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | OGE ENERGY CORP. SCHEDULE II - Valuation and Qualifying Accounts
|  | Additions |  |
Description | Balance at Beginning of Period | Charged to Costs and Expenses | Deductions (A) | Balance at End of Period
(In millions)
Balance at December 31, 2011 |  |  |  |
Reserve for Uncollectible Accounts | $ | 1.9 |  | $ | 5.8 |  | $ | 3.9 |  | $ | 3.8 |
Balance at December 31, 2012 |  |  |  |
Reserve for Uncollectible Accounts | $ | 3.8 |  | $ | 3.3 |  | $ | 4.5 |  | $ | 2.6 |
Balance at December 31, 2013 |  |  |  |
Reserve for Uncollectible Accounts | $ | 2.6 |  | $ | 2.5 |  | $ | 3.2 |  | $ | 1.9 |
(A) | Uncollectible accounts receivable written off, net of recoveries.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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