The number of common units held by one or more members or limited partners of the LLC or LP.

No definition available.

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- Definition

Percentage scale of Incentive distribution payments that could be made to managing members or general partners, based on amounts in excess of distributions to Limited Liability Corporation or Limited Partnership members or limited partners.

+ References

No definition available.

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- Definition

Increase in Fair Value of Net Assets

+ References

No definition available.

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- Definition

Percent of Incentive Distribution Rights

+ References

No definition available.

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- Definition

Percentage of Enogex LLC Contributed

+ References

No definition available.

+ Details

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- Definition

Percent of Subordinated Limited Partner Units

+ References

No definition available.

+ Details

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- 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

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- Definition

Per unit level at which incentive distributions will be declared and paid to the general partner.

+ References

No definition available.

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- Definition

Per unit of ownership amount of cash distributions declared to unit-holder of a limited partnership (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)

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-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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- Definition

Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

This item represents disclosure of the amount of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporation; these investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.

+ References

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.12)

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 03

-Paragraph 9

-Article 5

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 11

-Article 7

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- Definition

The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

+ References

+ Details

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- 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)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 16

-Subparagraph a, b

-Article 6

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Investment in Unconsolidated Affiliates (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended			6 Months Ended
	Apr. 30, 2014	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	May. 01, 2013
Distribution Made to Limited Partner, Distributions Declared, Per Unit		$ 0.31600	$ 0.31250
Threshold for Per Unit Incentive Distributions		$ 0.330625			$ 0.330625
Incentive Distribution Percentage Level					50.00%
Equity in earnings of unconsolidated affiliates		$ 28.2		$ 39.3	$ 59.9	$ 87.2
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity		1,000.0			1,000.0
Enogex LLC [Member]
Percentage of Enogex LLC Contributed							100.00%
Increase in fair value of net assets		2,200.0			2,200.0
Enable Midstream Partners [Member]
Partners' Capital Account, Units, Sold in Public Offering	25,000,000
Distributions from unconsolidated affiliates		$ 34.6		$ 44.0	$ 68.9	$ 76.5
CenterPoint [Member]
Percent of Subordinated Limited Partner Units		61.40%			61.40%
OGE Holdings [Member]
Common 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%			60.00%
OGE Energy [Member]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest					26.30%