Derivative Financial Instruments (Pretax Impact Of Undesignated Derivative Instruments On The Consolidated Statements Of Income) (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	$ (1)	$ (19)	$ (47)	$ (28)
Commodity Contracts [Member] | Sales [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	(2)	25	(10)	57
Commodity Contracts [Member] | Cost of Sales [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	0	(47)	(34)	(89)
Foreign Currency [Member] | Other Nonoperating Income (Expense) [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	$ 1	$ 3	$ (3)	$ 4