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Stockholders' Equity Noncontrolling Interests (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
3 Months Ended | 1 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2014
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Mar. 31, 2013
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Dec. 31, 2013
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Feb. 28, 2014
Kinder Morgan Energy Partners, L.P. [Member]
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Mar. 31, 2014
Kinder Morgan Energy Partners, L.P. [Member]
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Mar. 31, 2013
Kinder Morgan Energy Partners, L.P. [Member]
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Dec. 31, 2013
Kinder Morgan Energy Partners, L.P. [Member]
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Mar. 31, 2014
El Paso Pipeline Partners, L.P. [Member]
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Mar. 31, 2013
El Paso Pipeline Partners, L.P. [Member]
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Dec. 31, 2013
El Paso Pipeline Partners, L.P. [Member]
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Mar. 31, 2014
Kinder Morgan Management, LLC [Member]
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Mar. 31, 2013
Kinder Morgan Management, LLC [Member]
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Dec. 31, 2013
Kinder Morgan Management, LLC [Member]
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Mar. 31, 2014
Other noncontrolling interests [Member]
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Dec. 31, 2013
Other noncontrolling interests [Member]
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Apr. 17, 2014
Subsequent Event [Member]
Kinder Morgan Energy Partners, L.P. [Member]
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Apr. 17, 2014
Subsequent Event [Member]
Kinder Morgan Management, LLC [Member]
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Apr. 17, 2014
Dividend Declared [Member]
El Paso Pipeline Partners, L.P. [Member]
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Mar. 31, 2014
Equity distribution agreement [Member]
Kinder Morgan Energy Partners, L.P. [Member]
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Mar. 31, 2014
Equity distribution agreement [Member]
El Paso Pipeline Partners, L.P. [Member]
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Mar. 31, 2014
Equity distribution agreement [Member]
Kinder Morgan Management, LLC [Member]
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Apr. 29, 2014
April 29, 2014 Public Offering [Member]
Subsequent Event [Member]
El Paso Pipeline Partners, L.P. [Member]
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Mar. 31, 2014
Additional Paid-in Capital [Member]
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| Noncontrolling Interest [Line Items] | |||||||||||||||||||||||
| Noncontrolling interests | $ 15,634 | $ 15,192 | $ 7,995 | $ 7,642 | $ 4,147 | $ 4,122 | $ 3,183 | $ 3,142 | $ 309 | $ 286 | |||||||||||||
| Noncontrolling Interest, Shares or Equity Units Issued | 7,935,000 | 198,000 | 1,166,000 | 76,000 | 7,820,000 | ||||||||||||||||||
| Noncontrolling intreests, proceeds from equity issuance | 639 | 603 | 16 | 35 | 6 | ||||||||||||||||||
| Increase accumulated deferred income taxes | 8 | ||||||||||||||||||||||
| Impact of subsidiary equity transactions | 13 | ||||||||||||||||||||||
| Declared dividend (usd per share) | $ 1.38 | $ 1.30 | $ 0.65 | $ 0.62 | $ 1.38 | $ 0.65 | |||||||||||||||||
| Distribution Made to Limited Partner, Distributions Paid, Per Unit | $ 1.36 | $ 1.29 | $ 0.65 | $ 0.61 | |||||||||||||||||||
| Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | $ 395 | $ 299 | $ 83 | $ 76 | |||||||||||||||||||
| Noncontrolling Interest, Shares Distributed to Noncontrolling Interest Holders | 1,952,970 | 1,570,118 | |||||||||||||||||||||
| Subsidiary Share Distribution, Shares Distributed to Parent | 284,288 | 234,478 | |||||||||||||||||||||
| Share distribution per share outstanding | 0.018700 | ||||||||||||||||||||||
| Noncontrolling Interest, Share Distribution Declared to Noncontrolling Interest Holders | 2,386,814 | ||||||||||||||||||||||
| Share Price | $ 30.99 | ||||||||||||||||||||||