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	12 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	$ (99)	$ (61)	$ (32)
Commodity Contracts [Member] | Sales [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	(62)	75	(10)
Commodity Contracts [Member] | Cost of Sales [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	(33)	(136)	(24)
Foreign Currency [Member] | Other Nonoperating Income (Expense) [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	$ (4)	$ 0	$ 2