Other Comprehensive Income (Loss) (Components Of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Other Comprehensive Income Loss [Line Items]
Total Other Comprehensive Income (Loss), Before Tax	$ 77	$ 38
Total Other Comprehensive Income (Loss), Tax	0	0
Total Other Comprehensive Income (Loss), Net of Taxes	77	38
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
Reclassification from AOCI, Current Period, Tax	0	0
Reclassification from Accumulated Other Comprehensive Income, Net of Tax	0	1
Derivatives accounted for as cash flow hedges: | Cost of Sales
Other Comprehensive Income Loss [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Before Tax	1	2
Reclassification from AOCI, Current Period, Tax	0	0
Reclassification from Accumulated Other Comprehensive Income, Net of Tax	1	2
Currency translation:
Other Comprehensive Income Loss [Line Items]
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax	75	35
Other Comprehensive Income (Loss), Before Reclassifications, Tax	0	0
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	75	35
Postretirement benefits:
Other Comprehensive Income Loss [Line Items]
Other Comprehensive Income (Loss), Before Reclassifications, Before Tax	1	0
Other Comprehensive Income (Loss), Before Reclassifications, Tax	0	0
Other Comprehensive Income (Loss), Before Reclassifications, Net of Tax	$ 1	$ 0