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Acquisitions and Divestitures Other (Details) (USD $)
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0 Months Ended | 3 Months Ended | 0 Months Ended | 0 Months Ended | |||
|---|---|---|---|---|---|---|---|
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May 03, 2013
Kinder Morgan Energy Partners, L.P. [Member]
Copano Energy LLC [Member]
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May 01, 2013
Kinder Morgan Energy Partners, L.P. [Member]
Copano Energy LLC [Member]
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Mar. 31, 2013
Kinder Morgan, Inc. [Member]
Copano Energy LLC [Member]
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May 03, 2013
Common Units [Member]
Kinder Morgan Energy Partners, L.P. [Member]
Copano Energy LLC [Member]
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May 01, 2013
Common Units [Member]
Kinder Morgan Energy Partners, L.P. [Member]
Copano Energy LLC [Member]
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Jun. 02, 2013
Legado Resources [Member]
Kinder Morgan Energy Partners, L.P. [Member]
Goldsmith-Landreth Field Unit [Member]
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May 31, 2013
Legado Resources [Member]
Kinder Morgan Energy Partners, L.P. [Member]
Goldsmith-Landreth Field Unit [Member]
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| Business Acquisition [Line Items] | |||||||
| Business Combination, Consideration Transferred | $ 5,200,000,000 | ||||||
| Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Percent of Transaction Unit for Unit | 100.00% | ||||||
| Business Combination, Consideration Transferred, Equity Interests Issued and Issuable,Unit for Unit Exchange Ratio | 0.4563 | ||||||
| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | 43,371,210 | ||||||
| Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | 3,733,000,000 | ||||||
| Business Acquisition, Share Price | $ 86.08 | ||||||
| Deferred Tax Liabilities, Goodwill | (260,000,000) | ||||||
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment | 298,000,000 | ||||||
| Payments to Acquire Businesses, Gross | 280,000,000 | ||||||
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities | 18,000,000 | ||||||
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Long-Term Asset Retirement Obligations | $ 12,000,000 |