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Debt Credit Facilities (Details) (USD $)
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3 Months Ended | 0 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2014
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Mar. 31, 2014
Kinder Morgan, Inc. [Member]
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Dec. 31, 2013
Kinder Morgan, Inc. [Member]
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Mar. 31, 2014
Kinder Morgan, Inc. [Member]
Revolving Credit Facility [Member]
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Mar. 31, 2014
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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May 03, 2013
Kinder Morgan Energy Partners, L.P. [Member]
Revolving Credit Facility [Member]
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Mar. 31, 2014
El Paso Pipeline Partners Operating Company, L.L.C. [Member]
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Dec. 31, 2013
El Paso Pipeline Partners Operating Company, L.L.C. [Member]
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Mar. 31, 2014
KMI Credit Facility [Member]
Kinder Morgan, Inc. [Member]
Revolving Credit Facility [Member]
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Mar. 31, 2014
EPB Credit Facility [Member]
El Paso Pipeline Partners Operating Company, L.L.C. [Member]
Revolving Credit Facility [Member]
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Mar. 31, 2014
KMP five-year senior unsecured revolving credit facility maturing May 1, 2018. [Member]
Kinder Morgan Energy Partners, L.P. [Member]
Revolving Credit Facility [Member]
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Mar. 31, 2014
KMP five-year senior unsecured revolving credit facility maturing May 1, 2018. [Member]
Kinder Morgan Energy Partners, L.P. [Member]
Commercial Paper [Member]
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Feb. 28, 2014
KMP five-year senior unsecured revolving credit facility maturing May 1, 2018. [Member]
Kinder Morgan Energy Partners, L.P. [Member]
Commercial Paper [Member]
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Jan. 15, 2014
KMP five-year senior unsecured revolving credit facility maturing May 1, 2018. [Member]
Kinder Morgan Energy Partners, L.P. [Member]
Commercial Paper [Member]
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| Line of Credit Facility [Line Items] | |||||||||||||||
| Document Fiscal Year Focus | 2014 | ||||||||||||||
| Line of Credit Facility, Amount Outstanding | $ 410,000,000 | $ 175,000,000 | $ 0 | $ 0 | $ 0 | $ 0 | $ 410,000,000 | $ 0 | $ 0 | ||||||
| Line of Credit Facility, Maximum Borrowing Capacity | 2,700,000,000 | 2,700,000,000 | 3,700,000,000 | ||||||||||||
| Line of Credit Facility, Current Borrowing Capacity | 1,750,000,000 | ||||||||||||||
| Letters of Credit Outstanding, Amount | 75,000,000 | 202,000,000 | |||||||||||||
| Remaining borrowing capacity | 1,265,000,000 | 1,000,000,000 | 2,000,000,000 | ||||||||||||
| Debt Instrument, Term | 5 years | ||||||||||||||
| Commercial Paper | $ 419,000,000 | $ 979,000,000 | $ 419,000,000 | ||||||||||||