CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current Assets
Accounts receivable, related party	$ 10	$ 10
Total current assets	10	10
Investment in Kinder Morgan Energy Partners, L.P.	2,671	2,722
Total Assets	2,681	2,732
Current liabilities
Accounts payable	3	3
Accrued other current liabilities	7	7
Total current liabilities	10	10
Deferred income taxes	205	218
Shareholders' Equity
Retained deficit	(1,547)	(1,256)
Accumulated other comprehensive loss	22	0
Total Shareholders' Equity	2,466	2,504
Total Liabilities and Shareholders' Equity	2,681	2,732
Common Class A [Member]
Shareholders' Equity
Common shares	0	0
Nonvoting Common Stock [Member]
Shareholders' Equity
Common shares	$ 3,991	$ 3,760