Annual report pursuant to Section 13 and 15(d)

Goodwill and Acquired Intangible Assets (Details) (Estimated Future Amortization Expense)

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Goodwill and Acquired Intangible Assets (Details) (Estimated Future Amortization Expense) (USD $)
In Millions, unless otherwise specified
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Estimated Amortization of Acquired Intangible Assets [Line Items]      
2014 $ 13    
2015 13    
2016 11    
2017 11    
2018 11    
2019 and beyond 13    
Total intangible assets subject to amortization 72    
In-process research and development 6    
Intangible assets, net $ 78 $ 96 $ 8