XML 63 R26.htm IDEA: XBRL DOCUMENT v2.4.1.9

Investment in Unconsolidated Affiliates Summarized Income Statement of Equity Method Investment (Tables)

3 Months Ended

Mar. 31, 2015

Summarized Financial Information of Equity Method Investment [Line Items]

Summarized Income Statement Financial Information, Equity Method Investment [Table Text Block]

	Three Months Ended
	March 31,
Income Statement	2015			2014
	(In millions)
Operating revenues	$	616		$	1,002
Cost of sales	292			633
Operating income	104			162
Net income	91			149

X

- Details

Name:	oge_SummarizedFinancialInformationOfEquityMethodInvestmentLineItems
Namespace Prefix:	oge_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Summarized Income Statement Financial Information, Equity Method Investment [Table Text Block]

+ References

No definition available.

+ Details

Name:	oge_SummarizedIncomeStatementFinancialInformationEquityMethodInvestmentTableTextBlock
Namespace Prefix:	oge_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration