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Common Equity (Tables)

12 Months Ended

Dec. 31, 2014

Equity [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Basic and diluted earnings per share for the Company were calculated as follows:

(In millions)	2014			2013			2012
Net Income Attributable to OGE Energy	$	395.8		$	387.6		$	355.0
Average Common Shares Outstanding
Basic average common shares outstanding	199.2			198.2			197.1
Effect of dilutive securities:
Contingently issuable shares (performance and restricted stock units)	0.7			1.2			1.0
Diluted average common shares outstanding	199.9			199.4			198.1
Basic Earnings Per Average Common Share Attributable to OGE Energy Common Shareholders	$	1.99		$	1.96		$	1.80
Diluted Earnings Per Average Common Share Attributable to OGE Energy Common Shareholders	$	1.98		$	1.94		$	1.79

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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