Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 7	$ 1
Accounts and notes receivable
Customer, net of allowance	1	1
Affiliates	35	3
Other	14	16
Materials and supplies	8	8
Other	8	6
Total current assets	73	35
Property, plant and equipment, at cost	1,884	1,850
Less accumulated depreciation and amortization	487	455
Total property, plant and equipment, net	1,397	1,395
Other long-term assets
Note receivable from affiliate	22	63
Other	46	49
Total other long-term assets	68	112
Total assets	1,538	1,542
Accounts payable
Trade	8	5
Affiliates	18	19
Other	5	17
Short-term other financing obligations, including current maturities	5	5
Taxes payable	15	15
Regulatory liabilities	10	8
Accrued interest	11	4
Contractual deposits	8	11
Other	2	3
Total current liabilities	82	87
Long-term debt and other financing obligations, less current maturities	647	649
Other long-term liabilities	20	37
Commitments and contingencies (Note 4)
Members' equity/partners' capital	780	769
Accumulated other comprehensive income	9	0
Total members' equity/partners' capital	789	769
Total liabilities and members' equity/partners' capital	$ 1,538	$ 1,542