v2.4.0.6

Acquisitions and Divestitures (Details)	Mar. 31, 2013 mi
Business Acquisition [Line Items]
Miles of pipeline	73,000
Bolivia to Brazil Pipeline [Member] | BBPP Holdings Ltda [Member]
Business Acquisition [Line Items]
Ownership interest	29.00%
Express pipeline system [Member] | Kinder Morgan Energy Partners, L.P. [Member]
Business Acquisition [Line Items]
Ownership interest	33.33%
British Gas International Holdings B.V [Member] | Bolivia to Brazil Pipeline [Member]
Business Acquisition [Line Items]
Ownership interest	33.33%
Total [Member] | Bolivia to Brazil Pipeline [Member]
Business Acquisition [Line Items]
Ownership interest	33.33%

X

- Definition

Miles Of Pipeline

+ References

No definition available.

+ Details

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X

- Details

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X

- 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

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



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 18

-Paragraph 20

-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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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