CONSOLIDATED BALANCE SHEET (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current Assets
Cash and cash equivalents	$ 67	$ 3
Accounts receivable and other (Note 12)	7	9
Total current assets	74	12
Investments in unconsolidated affiliates (Note 4)	1,545	1,563
Plant, property and equipment (Net of $156 accumulated depreciation; 2012 - $150)	281	288
Goodwill	130	130
Other assets	5	5
Total assets	2,035	1,998
Current Liabilities
Accounts payable and accrued liabilities	8	7
Accrued interest		1
Current portion of long-term debt (Note 5)	3	3
Total current liabilities	11	11
Long-term debt (Note 5)	373	685
Other liabilities	2	1
Total liabilities	386	697
Partners' Equity (Note 6)
Common units	1,616	1,275
General partner	34	27
Accumulated other comprehensive loss	(1)	(1)
Total partners' equity	1,649	1,301
Total liabilities and partners' equity	$ 2,035	$ 1,998