Derivative Instruments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivatives (Effective Portion)	$ (3)	$ (1)	$ 2	$ 3
Amount of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	1	1	3	0
Amount of Gain or (Loss) Recognized in Income On Derivatives	0	(2)	1	1
Designated as Hedging Instrument [Member] | Commodity contracts [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivatives (Effective Portion)	(1)	(2)	2	0
Designated as Hedging Instrument [Member] | Commodity contracts [Member] | Cost of products sold [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	1	0	2	(1)
Designated as Hedging Instrument [Member] | Foreign exchange contracts [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Other Comprehensive Income on Derivatives (Effective Portion)	(2)	1	0	3
Designated as Hedging Instrument [Member] | Foreign exchange contracts [Member] | Cost of products sold [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	0	1	1	1
Not Designated as Hedging Instrument [Member] | Commodity contracts [Member] | Cost of products sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in Income On Derivatives	$ 0	$ (2)	$ 1	$ 1