CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 271.0	$ 129.1
Restricted deposits	0.7	50.0
Accounts, notes and interest receivable, net	823.6	951.8
Inventories	101.3	92.0
Gas in underground storage	27.2	2.2
Fair value of derivative contracts	135.2	24.0
Other current assets	47.0	37.6
Total current assets	1,406.0	1,286.7
Property, plant and equipment, net	15,344.1	14,603.9
Investments	3,272.5	3,886.0
Notes receivable	164.0	115.0
Goodwill	1,303.3	1,233.6
Other intangibles, net	1,167.5	302.2
Fair value of derivative contracts	703.4	260.7
Deferred charges and other assets	217.5	173.0
Total Assets	23,578.3	21,861.1
Current liabilities
Current portion of debt	1,844.4	1,262.4
Cash book overdrafts	40.9	32.5
Accounts payable	624.4	630.9
Accrued interest	96.9	239.6
Accrued taxes	100.6	44.7
Deferred revenues	91.9	96.6
Fair value of derivative contracts	71.9	281.5
Accrued other current liabilities	199.3	176.0
Total current liabilities	3,070.3	2,764.2
Long-term liabilities and deferred credits
Long-term debt Outstanding	10,662.2	10,277.4
Value of interest rate swaps	1,071.2	604.9
Total Long-term debt	11,733.4	10,882.3
Deferred income taxes	243.0	248.3
Fair value of derivative contracts	21.4	172.2
Other long-term liabilities and deferred credits	785.7	501.6
Total long-term liabilities and deferred credits	12,783.5	11,804.4
Total Liabilities	15,853.8	14,568.6
Partners' Capital
Common units	4,354.7	4,282.2
Class B units	44.9	63.1
i-units	2,807.1	2,807.5
General partner	257.7	244.3
Accumulated other comprehensive loss	172.6	(186.4)
Total Kinder Morgan Energy Partners, L.P. partners' capital	7,637.0	7,210.7
Noncontrolling interests	87.5	81.8
Total Partners' Capital	7,724.5	7,292.5
Total Liabilities and Partners' Capital	$ 23,578.3	$ 21,861.1