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. 29, 2012
Dec. 31, 2011
Dec. 25, 2010
Estimated Amortization of Acquired Intangible Assets [Line Items]      
2013 $ 17    
2014 14    
2015 13    
2016 11    
2017 11    
2018 and beyond 24    
Total intangible assets subject to amortization 90    
In-process research and development 6    
Finite-Lived Intangible Assets, Net $ 96 $ 8 $ 37