Other Comprehensive Income (Loss) (Components Of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Other Comprehensive Income Loss [Line Items]
Total Other Comprehensive Income (Loss), Before Tax	$ 26	$ 12	$ 55	$ (118)
Total Other Comprehensive Income (Loss), Tax	(1)	1	(1)	18
Total Other Comprehensive Income (Loss), Net of Taxes	25	13	54	(100)
Derivatives accounted for as cash flow hedges:
Other Comprehensive Income Loss [Line Items]
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax	0	(8)	0	(20)
Other Comprehensive Income (Loss), Before Reclassifications, Tax	0	3	0	6
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	0	(5)	0	(14)
Derivatives accounted for as cash flow hedges: | Interest Expense [Member]
Other Comprehensive Income Loss [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Before Tax	0	1	1	3
Reclassification from AOCI, Current Period, Tax	0	0	0	(1)
Reclassification from Accumulated Other Comprehensive Income, Net of Tax	0	1	1	2
Derivatives accounted for as cash flow hedges: | Cost of Sales
Other Comprehensive Income Loss [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Before Tax	0	7	1	14
Reclassification from AOCI, Current Period, Tax	0	(2)	0	(3)
Reclassification from Accumulated Other Comprehensive Income, Net of Tax	0	5	1	11
Investments:
Other Comprehensive Income Loss [Line Items]
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax	0	1	(1)	1
Other Comprehensive Income (Loss), Before Reclassifications, Tax	0	0	0	0
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	0	1	(1)	1
Currency translation:
Other Comprehensive Income Loss [Line Items]
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax	25	10	51	(60)
Other Comprehensive Income (Loss), Before Reclassifications, Tax	0	0	0	1
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	25	10	51	(59)
Postretirement benefits:
Other Comprehensive Income Loss [Line Items]
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax	1	1	3	2
Other Comprehensive Income (Loss), Before Reclassifications, Tax	(1)	0	(1)	0
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	0	1	2	2
Postretirement benefits: | Other income/expense
Other Comprehensive Income Loss [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Before Tax	0	0	0	(58)
Reclassification from AOCI, Current Period, Tax	0	0	0	15
Reclassification from Accumulated Other Comprehensive Income, Net of Tax	$ 0	$ 0	$ 0	$ (43)