CONSOLIDATED BALANCE SHEET (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 29.5	$ 3.6
Accounts receivable and other (Note 15)	8.8	8.7
Total current assets	38.3	12.3
Investments in unconsolidated affiliates (Note 3)	1,609.5	1,194.8
Plant, property and equipment (Note 4)	298.5	312.6
Goodwill	130.2	130.2
Other assets	5.5	0.6
Total assets	2,082.0	1,650.5
Current Liabilities
Accounts payable and accrued liabilities	5.0	7.7
Accrued interest	1.1	1.3
Current portion of long-term debt (Note 6)	3.1	483.8
Fair value of derivative contracts (Note 14)		13.8
Total current liabilities	9.2	506.6
Long-term debt (Note 6)	739.4	30.1
Other liabilities	0.4	1.3
Total liabilities	749.0	538.0
Partners' Equity (Note 7)
Common units	1,306.7	1,104.2
General partner	27.6	23.5
Accumulated other comprehensive loss	(1.3)	(15.2)
Total partners' equity	1,333.0	1,112.5
Total liabilities and partners' equity	$ 2,082.0	$ 1,650.5