Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies Operating Leases (Details)

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Commitments and Contingencies Operating Leases (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 28, 2014
Sep. 29, 2013
Sep. 30, 2012
Loss Contingencies [Line Items]      
Description of Lessee Leasing Arrangements, Operating Leases The Company leases certain of its land, facilities and equipment under noncancelable operating leases, with terms ranging from less than one year to 20 years and with provisions in certain leases for cost-of-living increases.    
Rental expense $ 91 $ 90 $ 87
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
Operating leases due in next twelve months 91    
Operating leases due in the second fiscal year following the latest fiscal year 79    
Operating leases due in the third fiscal year following the latest fiscal year 58    
Operating leases due in the fourth fiscal year following the latest fiscal year 31    
Operating leases due in the fifth fiscal year following the latest fiscal year 20    
Operating leases due thereafter $ 25