Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 30, 2012
periods
Sep. 25, 2011
Sep. 26, 2010
Legal Proceedings [Abstract]      
Loss Contingency, Management's Assessment and Process The Company has discovered, and as a part of its ongoing cooperation with these investigations has informed the SEC and the DOJ of, instances in which special hiring consideration, gifts or other benefits (collectively, benefits) were provided to several individuals associated with Chinese state-owned companies or agencies. Based on the facts currently known, the Company believes the aggregate monetary value of the benefits in question to be less than $250,000, excluding employment compensation. The Company is continuing to investigate the circumstances relating to providing these benefits and is attempting to identify whether any other benefits were provided.    
Leases [Abstract]      
Low end of range of noncancelable operating lease terms less than one year    
High end of range of noncancelable operating lease terms 35 years    
Rental expense $ 87 $ 87 $ 85
Low end of range of initial capital lease terms 5 years 0 months 0 days    
High end of range of initial capital lease terms 7 years 0 months 0 days    
Maximum number of capital lease renewal periods 5    
Capital lease assets expected to be written off at the end of the contractual lease term due to restructuring plan 55    
Capital lease obligations expected to be written off at the end of the contractual lease term due to restructuring plan $ 60