Litigation, Environmental and Other Contingencies Enviormental Matters (Details) (USD $)			240 Months Ended	0 Months Ended		0 Months Ended	9 Months Ended		1 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	6 Months Ended	0 Months Ended	6 Months Ended	9 Months Ended	0 Months Ended	1 Months Ended	3 Months Ended	9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 1969 Rare Metals Inc. [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] Pending Litigation [Member] SFPP L.P. [Member]	Dec. 31, 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] Loss on Long-term Purchase Commitment [Member] Pending Litigation [Member] SFPP L.P. [Member]	Aug. 07, 2013 SFPP Phoenix Terminal [Member] Roosevelt Irrigation District v. Kinder Morgan G.P., Inc., Kinder Morgan Energy Partners, L.P. , U.S. District Court, Arizona [Member] Unfavorable Regulatory Action [Member] Pending Litigation [Member] KMEP and SFPP [Member] Defendants	Sep. 30, 2013 SFPP Phoenix Terminal [Member] Roosevelt Irrigation District v. Kinder Morgan G.P., Inc., Kinder Morgan Energy Partners, L.P. , U.S. District Court, Arizona [Member] Unfavorable Regulatory Action [Member] Pending Litigation [Member] KMEP and SFPP [Member] Defendants	Apr. 09, 2013 Environmental Issue [Member] Los Angeles Marine Terminal in the Port of Los Angeles [Member] California Superior Court, County of Los Angeles, Case No. NC041463 [Member] Settled [Member] Kinder Morgan Liquids Terminals, LLC [Member]	Aug. 31, 2007 Environmental Issue [Member] Mission Valley Terminal Facility [Member] United States District Court, Southern District of California, case number 07CV1883WCAB [Member] Pending Litigation [Member] Kinder Morgan Energy Partners, L.P. [Member]	Dec. 31, 2010 Environmental Issue [Member] Mission Valley Terminal Facility [Member] United States District Court, Southern District of California, case number 07CV1883WCAB [Member] Pending Litigation [Member] Kinder Morgan Energy Partners, L.P. [Member]	Jun. 30, 2011 Environmental Issue [Member] Paulsboro, New Jersey Liquids Terminal [Member] Exxon Mobil Corporation v. GATX Corporation, Kinder Morgan Liquids Terminals, LLC and ST Services, Inc. [Member] Settled [Member] Kinder Morgan Liquids Terminals, LLC [Member]	Sep. 30, 2013 Environmental Issue [Member] Paulsboro, New Jersey Liquids Terminal [Member] Exxon Mobil Compliant [Member] Settled [Member] Kinder Morgan Liquids Terminals, LLC [Member]	Jun. 30, 2013 Pennsylvania Department of Environmental Protection [Member] Environmental Issue [Member] Tennessee Gas Pipeline Company LLC [Member]	Apr. 09, 2013 Lease Agreements [Member] Environmental Issue [Member] Los Angeles Marine Terminal in the Port of Los Angeles [Member] California Superior Court, County of Los Angeles, Case No. NC041463 [Member] Settled [Member] Kinder Morgan Liquids Terminals, LLC [Member]	Jun. 30, 2013 PHMSA [Member] PHMSA Inspection of Carteret Terminal [Member] Environmental Issue [Member] Carteret Terminal, Carteret, NJ [Member] Kinder Morgan Liquids Terminals, LLC [Member]	Sep. 30, 2013 New Jersey Department of Environmental Protection [Member] Newark Bay Complex [Member] Superior Court of New Jersey, Law Division - Essex County, Docket No. L-9868-05 [Member] Pending Litigation [Member] Occidental Chemical Corporation [Member]	Dec. 31, 2013 Allocation Process Negotiations and Awaiting Record of Decision [Member] Environmental Protection Agency [Member] Portland Harbor Superfund Site, Willamette River, Portland, Oregon [Member] GATX Terminals Corporation (n/k/a KMLT) [Member] Terminals	Dec. 31, 2000 Allocation Process Negotiations and Awaiting Record of Decision [Member] Environmental Protection Agency [Member] Portland Harbor Superfund Site, Willamette River, Portland, Oregon [Member] GATX Terminals Corporation (n/k/a KMLT) [Member] Terminals	Sep. 30, 2013 Allocation Process Negotiations and Awaiting Record of Decision [Member] Environmental Protection Agency [Member] Portland Harbor Superfund Site, Willamette River, Portland, Oregon [Member] GATX Terminals Corporation (n/k/a KMLT) [Member] Parties	Sep. 30, 2013 Settlement through Administrative Order on Consent [Member] Colorado Oil and Gas Conservation Commission [Member] Southwestern Colorado [Member] Kinder Morgan CO2 [Member]
Loss Contingencies [Line Items]
Environmental Settlement																				$ 220,000
Lessee Leasing Arrangements, Operating Leases, Renewal Term														5 years
Litigation Settlement, Amount											1,000,000		1,500,000		63,100
Annual rent payable					15,000,000
Loss contingency, damages sought, value				22,250,000			175,000,000		170,000,000	365,000,000
Number of Uranium Mines			20
Accrual for environmental loss contingencies	168,000,000	166,000,000
Loss Contingency, Number of Defendants						26	70
Environmental Settlement, Maximum Amount Allowed Toward Public Project																				80,000
Litigation, Number of Third Party Defendants																300
Loss Contingency, Damages Sought, Time Length Over which Damage Occurred																40 years
Number of Liquid Terminals																	2	2
Number of Parties Involved In Site Cleanup Allocation Negotiations																			90
Loss Contingency, Range of Possible Loss, Percent of Expense								60.00%
Loss Contingency, Range of Possible Loss, Maximum								15,000,000
Litigation, Environmental Settlement Amount, Percentage of Cost											50.00%
Cost of Services, Environmental Remediation												$ 750,000