Miles Of Pipe Of Combined Entity

No definition available.

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- Definition

Number Of Pipeline Terminals Owned Interest In And Or Operated

+ References

No definition available.

+ Details

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- Definition

Number of Subsidiaries Which Require Vote for Voluntary Bankruptacy

+ References

No definition available.

+ Details

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- Definition

Ownership Interest in KMP

+ References

No definition available.

+ Details

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- Definition

Proceeds from divestiture of business, including debt sold

+ References

No definition available.

+ Details

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- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Percentage of voting equity interests acquired in the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

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-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Topic 323

-SubTopic 10

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

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-Subparagraph a (1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

Percent of net assets at close of period. For schedules of investments that are categorized, each category has a percent of net assets for the aggregated value of the Investments in the category.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 12

-Paragraph 3

-Article 12

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-Name Regulation S-X (SX)

-Number 210

-Section 12C

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-Article 12

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-Name Regulation S-X (SX)

-Number 210

-Section 12C

-Paragraph 2

-Article 12

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-Topic 946

-SubTopic 320

-Section S99

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-Subparagraph (SX 210.12-12.3)

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- Definition

The number of units or percentage investment held by the managing member or general partner of the LLC or LP.

+ References

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

-Publisher AICPA

-Name Practice Bulletin (PB)

-Number 14

-Paragraph 15

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Topic 272

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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.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Article 5

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-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28)

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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-Paragraph 15, 16

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General (Details) (USD $) In Billions, except Share data, unless otherwise specified	3 Months Ended			3 Months Ended				3 Months Ended				12 Months Ended
	Mar. 31, 2013 Terminals mi segment subsidiary	Jul. 02, 2007	Mar. 01, 2013 El Paso Natural Gas Company and El Paso Midstream Investment Company LLC [Member]	Mar. 31, 2013 Kinder Morgan Management, LLC [Member]	Mar. 31, 2013 Kinder Morgan, Inc. [Member]	May 25, 2012 Kinder Morgan, Inc. [Member] El Paso Natural Gas Company [Member]	May 25, 2012 Kinder Morgan, Inc. [Member] El Paso Midstream Investment Company, LLC. [Member]	Mar. 31, 2013 El Paso Corporation [Member] El Paso Pipeline Partners, L.P. [Member]	Jun. 02, 2012 El Paso Midstream Investment Company, LLC. [Member]	Aug. 01, 2012 El Paso Natural Gas Company [Member]	Mar. 31, 2013 El Paso Natural Gas Company and El Paso Midstream Investment Company LLC [Member]	Dec. 31, 2012 KMP FTC Natural Gas Pipelines [Member]	Nov. 01, 2012 KMP FTC Natural Gas Pipelines [Member] Rockies Express Pipeline LLC [Member]
Schedule of Equity Method Investments [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired			50.00%			100.00%	50.00%
Miles of pipe	44,000
Number of pipeline terminals owned interest in and or operated	180
Number of reportable segments	5
Preferred Stock, Shares Issued		100,000
Number of subsidiaries which require vote for voluntary bankruptacy	2
Ownership Interest in KMP	13.00%
Ownership interest									50.00%	50.00%			50.00%
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest				30.70%				41.00%
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest					2.00%			2.00%
Business Acquisition, Cost of Acquired Entity, Purchase Price			$ 1.7
Investment Owned, Percent of Net Assets											100.00%
Proceeds from Divestiture of Businesses												1.8
Proceeds from divestiture of business, including debt sold												$ 3.3