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Basis Of Presentation And Summary Of Significant Accounting Policies (Activity For Allowance For Doubtful Accounts) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Oct. 01, 2011
Basis Of Presentation And Guarantor And Non-Guarantor Financial Information [Abstract]
Allowance for Doubtful Accounts Receivable, Current, Beginning Balance	$ 3	$ 4	$ 4
Bad debt expense	1	1	1
Write-offs against allowance	(1)	(2)	(1)
Allowance for Doubtful Accounts Receivable, Current, Ending Balance	$ 3	$ 3	$ 4

Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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