Partners Capital Income Allocation and Declared Distributions (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended			12 Months Ended
	May 03, 2013	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2010	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Distribution Made to Member or Limited Partner [Line Items]
Per Unit Cash Distribution Declared for the Period		$ 1.36			$ 5.33	$ 4.98	$ 4.61
Percent incentive distribution allocated to general partners income					100.00%
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest					1.00%
General Partner's normal distribution percent					2.00%
Incentive distribution waived as result of Kinderhawk acquisition					$ 11	$ 27	$ 28
Stock Dividends, Shares		2,237,258			7,565,200	6,488,946	6,601,402
Incentive distribution declared					1,693	1,404	1,174
Incentive Distribution, Distribution		445			1,632	1,322	1,147
Distributions from interim capital transactions				177
Amount Of Incentive Distribution Waived As Result Of Copano Acquisition	50	25	25
Kinder Morgan Energy Partners, L.P. [Member]
Distribution Made to Member or Limited Partner [Line Items]
Per Unit Cash Distribution Declared for the Period					$ 5.33	$ 4.98	$ 4.61
Distribution Made to Limited Partner, Distributions Paid, Per Unit					$ 5.26	$ 4.85	$ 4.58
Kinder Morgan, Inc. [Member]
Distribution Made to Member or Limited Partner [Line Items]
Related Party Transaction, Allocation of Non-cash Compensation Expenses					11	9
Kinder Morgan, Inc. [Member] | Total Partners' Capital [Member]
Distribution Made to Member or Limited Partner [Line Items]
Related Party Transaction, Allocation of Non-cash Compensation Expenses					$ 10	$ 7
Noncontrolling Interest [Member] | General Partner [Member]
Distribution Made to Member or Limited Partner [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest					2.00%