Income Taxes (Details 2) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Deferred Tax Assets:
Accruals	$ 355	$ 303
Employee benefits	135	69
Credit carryforwards	35	7
Loss carryforwards	65	57
Other	40	60
Subtotal	630	496
Valuation allowance	(438)	(28)
Net Deferred tax assets	192	468
Deferred Tax Liabilities:
Unremitted earnings	(69)	0
Intangibles	(51)	(50)
Accelerated depreciation	(21)	(23)
Investment	(1)	(1)
Total Deferred tax liabilities	$ (142)	$ (74)