Consolidated Statements of Stockholders Equity (USD $) In Millions	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2009	$ 4,446	$ 1	$ (3)	$ 12,256	$ (7,540)	$ (266)	$ (2)
Treasury stock transactions	(2)	0	(2)	0	0	0	0
Stock-based compensation expense	24	0	0	24	0	0	0
Other	29	0	0	1	0	0	28
Net income (loss)	31	0	0	0	31	0	0
Other comprehensive income (loss)	141	0	0	0	0	141	0
Balance at Dec. 31, 2010	4,669	1	(5)	12,281	(7,509)	(125)	26
Treasury stock transactions	(120)	0	(120)	0	0	0	0
Stock-based compensation expense	24	0	0	24	0	0	0
Other	33	0	0	0	0	0	33
Net income (loss)	(189)	0	0	0	(190)	0	1
Other comprehensive income (loss)	(53)	0	0	0	0	(53)	0
Balance at Dec. 31, 2011	4,364	1	(125)	12,305	(7,699)	(178)	60
Treasury stock transactions	(469)	0	(469)	0	0	0	0
Stock-based compensation expense	25	0	0	25	0	0	0
Option exercises	5	0	0	5	0	0	0
Other	2	0	0	0	0	0	2
Net income (loss)	199	0	0	0	199	0	0
Other comprehensive income (loss)	(70)	0	0	0	0	(70)	0
Balance at Dec. 31, 2012	$ 4,056	$ 1	$ (594)	$ 12,335	$ (7,500)	$ (248)	$ 62