Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities
Net income	$ 56	$ 66
Adjustments to reconcile net income to net cash from operating activities
Depreciation and amortization	69	65
Deferred income tax expense	2	28
Other non-cash income items	10	20
Asset and liability changes	73	(127)
Net cash provided by operating activities	210	52
Cash flows from investing activities
Capital expenditures	(56)	(57)
Net change in note receivable from affiliate	(72)	178
Proceeds from disposal of property	0	4
Other	7	2
Net cash provided by (used in) investing activities	(121)	127
Cash flows from financing activities
Payments to retire long-term debt	0	(54)
Dividends paid to parent	(89)	(125)
Net cash used in financing activities	(89)	(179)
Net change in cash and cash equivalents	0	0
Cash and cash equivalents
Beginning of period	0	0
End of period	$ 0	$ 0