XML 41 R35.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Summary of Significant Accounting Policies Equity Ownership (Details) | 3 Months Ended | 1 Months Ended | 3 Months Ended | 6 Months Ended |  | 3 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2014 | May 30, 2014 OGE Energy [Member] | Jun. 30, 2014 OGE Energy [Member] | Mar. 31, 2014 OGE Energy [Member] | Jun. 30, 2014 OGE Holdings [Member] | Jun. 30, 2014 CenterPoint [Member] | Jun. 30, 2014 Enable Midstream Partners [Member]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest | 6.00% | 26.70% | 26.30% | 28.50% |  |  |
Percent of Subordinated Limited Partner Units |  |  | 61.40% |  |  | 61.40% |
Units Held by Limited Partners of the LLC or LP. |  |  |  |  | 42,832,291 |  |
Subordinated Units Held by Limited Partners of the LLC or LP. |  |  |  |  | 68,150,514 |  |
Percent of Incentive Distribution Rights |  |  | 60.00% |  |  | 40.00% |
Percentage Share of Management Rights |  |  | 50.00% |  |  | 50.00% |
Partners' Capital Account, Units, Sold in Public Offering |  |  |  |  |  |  | 25,000,000

X
- Definition The number of common units held by one or more members or limited partners of the LLC or LP. + References No definition available. + Details
Name: | oge_CommonUnitsHeldbyLimitedPartnersoftheLLCorLP.
Namespace Prefix: | oge_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage Share of Management Rights + References No definition available. + Details
Name: | oge_PercentageShareOfManagementRights
Namespace Prefix: | oge_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percent of Incentive Distribution Rights + References No definition available. + Details
Name: | oge_PercentOfIncentiveDistributionRights
Namespace Prefix: | oge_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percent of Subordinated Limited Partner Units + References No definition available. + Details
Name: | oge_PercentofSubordinatedLimitedPartnerUnits
Namespace Prefix: | oge_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of subordinated units held by one or more members or limited partners of the LLC or LP. + References No definition available. + Details
Name: | oge_SubordinatedUnitsHeldbyLimitedPartnersoftheLLCorLP.
Namespace Prefix: | oge_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of units or percentage investment held by one or more members or limited partners of the LLC or LP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 + Details
Name: | us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of units sold in a public offering of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 16 -Subparagraph a, b -Article 6 + Details
Name: | us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration