Derivatives and Hedging Instruments Derivatives and Hedging Instruments - Gain (Loss) on Derivatives (Details) (Foreign Exchange Forward [Member], Cash Flow Hedging [Member], USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Income (OCI) on Derivative (Effective Portion)	$ (1)	$ 4	$ (8)	$ 5
Cost of Products [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from AOCI into the Condensed COnsolidated Statement of Operations (Effective Portion)	(2)	1	(2)	1
Other Income Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in the Condensed Consolidated Statement of Operations (Ineffective Portion and Amount Excluded from Effectiveness Testing)	$ 0	$ 0	$ 0	$ 0