Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities
Net income	$ 36	$ 51
Adjustments to reconcile net income to net cash from operating activities
Depreciation and amortization	41	43
Deferred income tax expense	2	24
Other non-cash income items	12	14
Asset and liability changes	43	(1)
Net cash provided by operating activities	134	131
Cash flows from investing activities
Capital expenditures	(41)	(36)
Net change in note receivable from affiliate	(72)	(96)
Proceeds from disposal of property	0	4
Net cash used in investing activities	(113)	(128)
Cash flows from financing activities
Dividends paid to parent	(21)	0
Net cash used in financing activities	(21)	0
Net change in cash and cash equivalents	0	3
Cash and cash equivalents
Beginning of period	0	0
End of period	$ 0	$ 3