Financial Derivatives and Risk Management (Schedule Of Gain Loss) - Income Statement (Details) - Cash Flow Hedging [Member] - Foreign Exchange Forward [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain reclassified from AOCI into net income	$ 8	$ (1)	$ 19	$ 0
Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(loss) recognized in OCI, net	$ (2)	$ (2)	$ 10	$ (3)