v2.4.0.8

Debt Changes in Debt (Details) (USD $)				0 Months Ended		1 Months Ended
	Mar. 31, 2014 Kinder Morgan Energy Partners, L.P. [Member]	Dec. 31, 2013 Kinder Morgan Energy Partners, L.P. [Member]	Feb. 24, 2014 Kinder Morgan Energy Partners, L.P. [Member] KMP Senior Notes issued on February 24, 2014 [Member]	Feb. 24, 2014 Kinder Morgan Energy Partners, L.P. [Member] KMP 3.50% Senior Notes due March 1, 2021 [Member]	Feb. 24, 2014 Kinder Morgan Energy Partners, L.P. [Member] KMP 5.50% Senior Notes due March 1, 2044 [Member]	Feb. 28, 2014 Southern LNG Company, L.L.C.(SLNG) [Member] EPB Senior notes, 9.50%, due 2014 [Member]	Mar. 31, 2014 Southern LNG Company, L.L.C.(SLNG) [Member] EPB Senior notes, 9.50%, due 2014 [Member]	Mar. 31, 2014 Revolving Credit Facility [Member] Kinder Morgan Energy Partners, L.P. [Member] KMP five-year senior unsecured revolving credit facility maturing May 1, 2018. [Member]	Mar. 31, 2014 Commercial Paper [Member] Kinder Morgan Energy Partners, L.P. [Member] KMP five-year senior unsecured revolving credit facility maturing May 1, 2018. [Member]	Feb. 28, 2014 Commercial Paper [Member] Kinder Morgan Energy Partners, L.P. [Member] KMP five-year senior unsecured revolving credit facility maturing May 1, 2018. [Member]	Jan. 15, 2014 Commercial Paper [Member] Kinder Morgan Energy Partners, L.P. [Member] KMP five-year senior unsecured revolving credit facility maturing May 1, 2018. [Member]	Jan. 15, 2014 UBS [Member] Syndicate of of financial institutions [Member] Revolving Credit Facility [Member] Kinder Morgan Energy Partners, L.P. [Member] Liquidity Facility [Member]	Mar. 31, 2014 UBS [Member] Syndicate of of financial institutions [Member] Revolving Credit Facility [Member] Kinder Morgan Energy Partners, L.P. [Member] KMP five-year senior unsecured revolving credit facility maturing May 1, 2018. [Member]
Debt Instrument [Line Items]
Commercial Paper	$ 419,000,000	$ 979,000,000							$ 419,000,000
Line of Credit Facility, Maximum Borrowing Capacity								2,700,000,000		2,700,000,000	3,700,000,000	1,000,000,000
Line of Credit Facility, Amount Outstanding	0	0						0					0
Debt Instrument, Face Amount			1,500,000,000	750,000,000	750,000,000
Proceeds from Issuance of Long-term Debt				743,000,000	739,000,000
Debt Instrument, Interest Rate, Stated Percentage				3.50%	5.50%		9.50%
Repayments of Debt						$ 71,000,000

X

- Definition

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

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Face (par) amount of debt instrument at time of issuance.

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Amount borrowed under the credit facility as of the balance sheet date.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

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