Derivative Financial Instruments (Pretax Impact Of Fair Value Hedge Derivative Instruments On The Consolidated Statements of Income) (Details) - Fair Value Hedging [Member] - Cost of Sales [Member] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Apr. 01, 2017	Apr. 02, 2016
Forward Contracts [Member]
Derivative [Line Items]
Gain/(Loss) on forwards	$ (12)	$ 6	$ 16	$ 39
Purchase Contracts [Member]
Derivative [Line Items]
Gain/(Loss) on forwards	$ 12	$ (6)	$ (16)	$ (39)