v2.4.0.8

Risk Management Interest Rate Risk Management (Details) (USD $) In Millions, unless otherwise specified | 1 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 28, 2014 Kinder Morgan Energy Partners, L.P. [Member] | Mar. 31, 2014 fixed-to-variable interest rate swap agreement [Member] Kinder Morgan, Inc. [Member] | Dec. 31, 2013 fixed-to-variable interest rate swap agreement [Member] Kinder Morgan, Inc. [Member] | Mar. 31, 2014 fixed-to-variable interest rate swap agreement [Member] Kinder Morgan Energy Partners, L.P. [Member] | Feb. 28, 2014 fixed-to-variable interest rate swap agreement [Member] Kinder Morgan Energy Partners, L.P. [Member] | Dec. 31, 2013 fixed-to-variable interest rate swap agreement [Member] Kinder Morgan Energy Partners, L.P. [Member] | Mar. 31, 2014 3.50% Senior Notes due March 1, 2021 [Member] Kinder Morgan Energy Partners, L.P. [Member]
Derivative [Line Items] |  |  |  |  |  |  |
Derivative, Notional Amount |  | $ 725 | $ 725 | $ 5,175 | $ 500 | $ 4,675 |
Number of Fixed-to-Variable Interest Rate Swap Agreements Entered Into | 4 |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  |  |  | 3.50%

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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