Derivative Financial Instruments (Schedule Of Derivative Instruments, Gains/(Losses)) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Derivative [Line Items]
Effective portion recognized in other comprehensive income/(loss), net of taxes	$ (17)	$ 25	$ 41	$ (66)
Effective portion reclassified out of Accumulated other comprehensive income/(loss) into earnings, net of taxes	(20)	(16)	(43)	(28)
Foreign Exchange Contract [Member]
Derivative [Line Items]
Effective portion recognized in other comprehensive income/(loss), net of taxes	(21)	24	41	(66)
Effective portion reclassified out of Accumulated other comprehensive income/(loss) into earnings, net of taxes	(17)	(14)	(38)	(23)
Forward points recognized in other income (expense), net	2	2	4	7
Undesignated derivatives recognized in Other income/(expense), net	(2)	3		2
Commodity Contract [Member]
Derivative [Line Items]
Effective portion recognized in other comprehensive income/(loss), net of taxes	4	1
Effective portion reclassified out of Accumulated other comprehensive income/(loss) into earnings, net of taxes	$ (3)	$ (2)	$ (5)	$ (5)