Derivative Instruments And Hedging Strategies Derivative Instruments and Hedging Strategies (Income Statement Location) (Details) (Foreign Exchange Contract [Member], Not Designated as Hedging Instrument [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax	$ (3)	$ (7)	$ (3)
Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax	(1)	4
Other Income (expense) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax	$ (2)	$ (11)	$ (3)