v2.4.0.8

Litigation, Environmental and Other Contingencies Other Commercial Matters (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended | 0 Months Ended | 123 Months Ended |  | 3 Months Ended | 0 Months Ended | 1 Months Ended
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Sep. 30, 2013 Plains Gas Solutions, LLC v. Tennessee Gas Pipeline Company, L.L.C. et al [Member] | Oct. 25, 2013 Union Pacific Railroad Company v. Santa Fe Pacific Pipelines, Inc., SFPP, L.P., Kinder Morgan Operating L.P. “D”, Kinder Morgan G.P., Inc., et al. [Member] SFPP L.P. [Member] Pending Litigation [Member] | Mar. 31, 2014 Union Pacific Railroad Company v. Santa Fe Pacific Pipelines, Inc., SFPP, L.P., Kinder Morgan Operating L.P. “D”, Kinder Morgan G.P., Inc., et al. [Member] SFPP L.P. [Member] Pending Litigation [Member] | Mar. 31, 2014 Union Pacific Railroad Company v. Santa Fe Pacific Pipelines, Inc., SFPP, L.P., Kinder Morgan Operating L.P. “D”, Kinder Morgan G.P., Inc., et al. [Member] SFPP L.P. [Member] Loss on Long-term Purchase Commitment [Member] Pending Litigation [Member] | Mar. 31, 2014 Severstal Sparrows Point Crane Collapse [Member] Kinder Morgan Bulk Terminals, Inc. [Member] Negligence Claim [Member] Pending Litigation [Member] | Mar. 31, 2014 Price Reporting Litigation [Member] Kinder Morgan Bulk Terminals, Inc. [Member] Pending Litigation [Member] | Oct. 25, 2013 SFPP, L.P. vs. UPRR on relocation costs [Member] SFPP L.P. [Member] Pending Litigation [Member] | Oct. 25, 2013 2014 - 2023 [Member] Union Pacific Railroad Company v. Santa Fe Pacific Pipelines, Inc., SFPP, L.P., Kinder Morgan Operating L.P. “D”, Kinder Morgan G.P., Inc., et al. [Member] SFPP L.P. [Member] Pending Litigation [Member] | Mar. 31, 2011 EPB Acquisition of 25% Ownership Interest in SNG [Member] Allen vs El Paso GP [Member] El Paso Pipeline Partners, L.P. [Member] SNG [Member]
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Lessee Leasing Arrangements, Operating Leases, Term of Contract |  |  | 10 years |  |  |  |  | 10 years |
Loss contingency, settlement tentative by court, value |  |  |  |  | $ 13.79 |  | $ 22.60 |  |
Loss Contingency, Initial Award Amount, Annual Rent Payable |  |  |  | 14 |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  | 93 |  |  |  |  |
Loss Contingency, Interest Associated with Judgment Amount |  |  |  | 20 |  |  |  |  |
Loss Contingency, Damages Sought, Value | $ 100.00 | $ 22.25 |  |  | $ 30.00 | $ 140.00 |  |  |
Business Acquisition, Additional Percentage of Interest Acquired |  |  |  |  |  |  |  |  | 25.00%

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- Definition Loss Contingency, Initial Award Amount, Annual Rent Payable + References No definition available. + Details
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- Definition Loss Contingency, Interest Associated with Judgment Amount + References No definition available. + Details
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- Definition Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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