Derivatives and Hedging Instruments - Gain (Loss) on Derivatives (Details) (Cash Flow Hedging [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Income (OCI) on Derivative (Effective Portion)	$ (5)	$ 0	$ (4)	$ 0
Interest Rate Swap [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from AOCI into the Condensed COnsolidated Statement of Operations (Effective Portion)	0	0	0	0
Amount of Gain (Loss) Recognized in the Condensed Consolidated Statement of Operations (Ineffective Portion and Amount Excluded from Effectiveness Testing)	0	0	0	0
Foreign Exchange Derivative [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Income (OCI) on Derivative (Effective Portion)	6	(3)	0	(12)
Foreign Exchange Derivative [Member] | 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	(2)	2	(2)
Foreign Exchange Derivative [Member] | Other (Expense) Income, Net [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