Condensed Consolidated Statements of Changes in Equity (Unaudited) (USD $) In Millions, except Share data	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Balance at Dec. 31, 2009	$ 1,504	$ 1	$ 1,056	$ 416	$ 19	$ 12
Balance, Shares at Dec. 31, 2009		54,774,639
Comprehensive (loss) income:
Net (loss) income	(118)			(125)		7
Currency translation adjustment	(2)				(2)
Unrealized gains on available-for-sale securities, net of income taxes	1				1
Total comprehensive (loss) income	(119)			(125)	(1)	7
Distributions to noncontrolling interest	(5)					(5)
Stock compensation expense	5		5
Stock issued under share-based payment plans, including excess tax benefit of $0	3		3
Stock issued under share-based payment plans, including excess tax benefit of $0, Shares		717,585
Ending Balance at Jun. 30, 2010	1,388	1	1,064	291	18	14
Ending Balance, Shares at Jun. 30, 2010		55,492,224
Balance at Dec. 31, 2010	1,578	1	1,069	465	29	14
Balance, Shares at Dec. 31, 2010		55,699,218
Comprehensive (loss) income:
Net (loss) income	15			8		7
Currency translation adjustment	6				6
Unrealized gains on available-for-sale securities, net of income taxes	1				1
Total comprehensive (loss) income	22			8	7	7
Distributions to noncontrolling interest	(12)					(12)
Stock compensation expense	4		4
Stock issued under share-based payment plans, including excess tax benefit of $0	6		6
Stock issued under share-based payment plans, including excess tax benefit of $0, Shares		631,495
Ending Balance at Jun. 30, 2011	$ 1,598	$ 1	$ 1,079	$ 473	$ 36	$ 9
Ending Balance, Shares at Jun. 30, 2011		56,330,713