Annual report pursuant to Section 13 and 15(d)

Acquisition (Details) (Narrative)

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Acquisition (Details) (Narrative) (USD $)
In Millions, except Share data, unless otherwise specified
 12 Months Ended
Dec. 29, 2012
Mar. 23, 2012
Business Acquisition [Line Items]    
Finite-lived Intangible Assets, Reclassifications $ 0  
Effective date of acquisition Mar. 23, 2012  
Cost of acquired entity, total purchase consideration   312
Cost of acquired entity, assumed stock options and restricted shares, vested portion   19
Cost of acquired entity, cash paid   293
Cost of acquired entity, transaction costs   6
Vested stock options issued (exchanged) in business combination 1,652,000  
Unvested stock options issued (exchanged) in business combination 4,792,000  
Restricted stock issued (exchanged) in business combination 322,000  
Escrow deposit disbursements related to business acquisition 29  
Developed Technology
    
Business Acquisition [Line Items]    
Finite-lived Intangible Assets, Reclassifications $ 5