CONSOLIDATED BALANCE SHEET (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current Assets
Cash and cash equivalents	$ 2	$ 3
Accounts receivable and other (Note 11)	8	9
Total current assets	10	12
Investments in unconsolidated affiliates (Note 4)	1,556	1,563
Plant, property and equipment (Net of $153 accumulated depreciation; 2012-$150)	283	288
Goodwill	130	130
Other assets	5	5
Total assets	1,984	1,998
Current Liabilities
Accounts payable and accrued liabilities	5	7
Accrued interest	5	1
Current portion of long-term debt (Note 5)	3	3
Total current liabilities	13	11
Long-term debt (Note 5)	682	685
Other liabilities	2	1
Total liabilities	697	697
Partners' Equity
Common units	1,261	1,275
General partner	27	27
Accumulated other comprehensive loss	(1)	(1)
Total partners' equity	1,287	1,301
Total liabilities and partners' equity	$ 1,984	$ 1,998