XML 42 R89.htm IDEA: XBRL DOCUMENT

Fair Value Measurements (Schedule Of Available For Sale Securities) (Details) (USD $) In Millions, unless otherwise specified							12 Months Ended
	Sep. 27, 2014 U.S. Treasury and Agency [Member]	Sep. 28, 2013 U.S. Treasury and Agency [Member]	Sep. 27, 2014 Corporate And Asset-Backed [Member]	Sep. 28, 2013 Corporate And Asset-Backed [Member]	Sep. 27, 2014 Common Stock and Warrants [Member]	Sep. 28, 2013 Common Stock and Warrants [Member]	Sep. 27, 2014 Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cumulative Other-than-Temporary Impairment Loss					$ 2
Short Term Investment Maturity Period							12 months
Available-For-Sale Securities Debt Maturity Period							35 years
Amortized Cost Basis	25	25	65	64	1	9
Fair Value	25	25	67	65	1	4
Unrealized Gain/(Loss)	$ 0	$ 0	$ 2	$ 1	$ 0	$ (5)