Annual report pursuant to Section 13 and 15(d)

Composition of Certain Financial Statement Items (Details)

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Composition of Certain Financial Statement Items (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended 3 Months Ended
Sep. 28, 2014
Sep. 29, 2013
Sep. 30, 2012
Jun. 29, 2014
QMT [Member]
Dec. 29, 2013
QMT [Member]
Sep. 28, 2014
QMT [Member]
Long Lived Assets Held-for-sale [Line Items]            
Property, plant and equipment, net $ 2,487 $ 2,995       $ 148
Property, Plant and Equipment [Abstract]            
Depreciation and amortization expense 609 515 427      
Gross book values of property under capital leases included in buildings and improvements 1 18        
Capital lease additions 0 0 0      
Buildings and improvements and leasehold improvements leased to third parties or held for lease to third parties, aggregate net book value 0 0        
Future minimum rental income - thereafter 0 0        
Goodwill [Abstract]            
In-process research and development intangible assets not subject to amortization 55 54        
Amortization expense related to intangible assets 543 499 473      
Impairment of Long-Lived Assets Held-for-use       64 444  
Expected Amortization Expense for Intangible Assets [Abstract]            
Expected amortization expense during the next twelve months 521          
Expected amortization expense during the second fiscal year following the latest fiscal year 417          
Expected amortization expense during the third fiscal year following the latest fiscal year 302          
Expected amortization expense during the fourth fiscal year following the latest fiscal year 265          
Expected amortization expense during the fifth fiscal year following the latest fiscal year 242          
Expected amortization expense thereafter $ 833