Annual report pursuant to Section 13 and 15(d)

Acquisitions (Details)

v2.4.0.8
Acquisitions (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 28, 2014
projects
businesses
Sep. 29, 2013
businesses
projects
Sep. 30, 2012
projects
businesses
Business Acquisition [Line Items]      
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned $ 0    
Acquisitions [Abstract]      
Number of businesses acquired 11 5 8
Cash consideration paid for businesses acquired 775 114 774
Business Acquisition Purchase Price Allocation Goodwill Amt 628 83 517
Goodwill recognized from businesses acquired, expected to be deductible for tax purposes 294 21 71
Business Acquisition Purchase Price Allocation In-process Research and Development 26 2 62
Number of In-process research and development projects 4 1 10
BusinessAcquisitionImpairmentInProcessResearchAndDevelopment 20    
NumberOfInProcessResearchAndDevelopmentProjectsImpaired 2    
Business Acquisition Purchase Price Allocation In-process Research and Development Remaining 55    
Number of In-process research and development projects remaining 8    
In-process research and development estimated completion period 3 years    
Technology-based [Member]
     
Acquisitions [Abstract]      
Amortizable intangible assets $ 146 $ 24 $ 164
Weighted-average useful life of technology-based intangible assets acquired 6 years 0 months 0 days 6 years 0 months 0 days 6 years 0 months 0 days
In Process Research and Development [Member]
     
Acquisitions [Abstract]      
Acquired Finite-lived Intangible Assets, Useful Life, Minimum 3 years    
Acquired Finite-lived Intangible Assets, Useful Life, Maximum 9 years