Other Comprehensive Income (Components Of Other Comprehensive Income (Loss)) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013
Other Comprehensive Income Loss [Line Items]
Total Other Comprehensive Income (Loss), Before Tax	$ 18	$ (20)	$ 10	$ (39)
Total Other Comprehensive Income (Loss), Tax	(5)	1	(5)	9
Total Other Comprehensive Income (Loss), Net of Taxes	13	(19)	5	(30)
Derivatives accounted for as cash flow hedges [Member]
Other Comprehensive Income Loss [Line Items]
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax	8	(15)	5	(28)
Other Comprehensive Income (Loss), Before Reclassifications, Tax	(3)	6	(2)	11
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	5	(9)	3	(17)
Derivatives accounted for as cash flow hedges [Member] | Cost of Sales [Member]
Other Comprehensive Income Loss [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Before Tax	3	7	3	3
Reclassification from Accumulated Other Comprehensive Income, Tax	(1)	(3)	(1)	(1)
Reclassification from Accumulated Other Comprehensive Income, Net of Tax	2	4	2	2
Derivatives accounted for as cash flow hedges [Member] | Other Income/Expense [Member]
Other Comprehensive Income Loss [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Before Tax	0	0	0	2
Reclassification from Accumulated Other Comprehensive Income, Tax	0	0	0	(1)
Reclassification from Accumulated Other Comprehensive Income, Net of Tax	0	0	0	1
Investments [Member]
Other Comprehensive Income Loss [Line Items]
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax	0	1	(1)	(3)
Other Comprehensive Income (Loss), Before Reclassifications, Tax	0	(1)	0	1
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	0	0	(1)	(2)
Investments [Member] | Other Income/Expense [Member]
Other Comprehensive Income Loss [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Before Tax	0	(1)	6	(1)
Reclassification from Accumulated Other Comprehensive Income, Tax	0	0	(2)	0
Reclassification from Accumulated Other Comprehensive Income, Net of Tax	0	(1)	4	(1)
Currency translation [Member]
Other Comprehensive Income Loss [Line Items]
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax	6	5	(5)	4
Other Comprehensive Income (Loss), Before Reclassifications, Tax	0	0	0	0
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	6	5	(5)	4
Currency translation [Member] | Other Income/Expense [Member]
Other Comprehensive Income Loss [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Before Tax	0	(19)	0	(19)
Reclassification from Accumulated Other Comprehensive Income, Tax	0	(1)	0	(1)
Reclassification from Accumulated Other Comprehensive Income, Net of Tax	0	(20)	0	(20)
Postretirement benefits [Member]
Other Comprehensive Income Loss [Line Items]
Total Other Comprehensive Income (Loss), Before Tax	1	2	2	3
Total Other Comprehensive Income (Loss), Tax	(1)	0	0	0
Total Other Comprehensive Income (Loss), Net of Taxes	$ 0	$ 2	$ 2	$ 3