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, 2011	$ 4,364	$ 1	$ (125)	$ 12,305	$ (7,699)	$ (164)	$ 46
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
Payments to Noncontrolling Interests	0
Other	2	0	0	0	0	0	2
Net income	199	0	0	0	199	0	0
Other comprehensive income (loss)	(70)	0	0	0	0	(64)	(6)
Balance at Dec. 31, 2012	4,056	1	(594)	12,335	(7,500)	(228)	42
Treasury stock transactions	(636)	0	(636)	0	0	0	0
Stock-based compensation expense	34	0	0	34	0	0	0
Option exercises	20	0	0	20	0	0	0
Payments to Noncontrolling Interests	0
Other	(1)	0	0	0	0	0	(1)
Net income	18	0	0	0	14	0	4
Other comprehensive income (loss)	77	0	0	0	0	68	9
Balance at Dec. 31, 2013	3,568	1	(1,230)	12,389	(7,486)	(160)	54
Treasury stock transactions	(1,115)	0	(1,115)	0	0	0	0
Stock-based compensation expense	31	0	0	31	0	0	0
Option exercises	20	0	0	20	0	0	0
Payments to Noncontrolling Interests	(15)	0	0	0	0	0	15
Net income	961	0	0	0	946	0	15
Other comprehensive income (loss)	(19)	0	0	0	0	(18)	(1)
Balance at Dec. 31, 2014	$ 3,431	$ 1	$ (2,345)	$ 12,440	$ (6,540)	$ (178)	$ 53