Valuation And Qualifying Accounts (Schedule Of Valuation And Qualifying Accounts) (Details) (USD $) In Millions	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Inventory Valuation Reserve [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 2	$ 22	$ 13
Charged to Costs and Expenses	12	7	57
Charged to Other Accounts	0	0	0
(Deductions)	(8)	(27)	(48)
Balance at End of Period	6	2	22
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	32	33	12
Charged to Costs and Expenses	3	0	22
Charged to Other Accounts	0	0	0
(Deductions)	(4)	(1)	(1)
Balance at End of Period	$ 31	$ 32	$ 33