Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Details) (Narrative)

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Significant Accounting Policies (Details) (Narrative) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Marketing, communications and advertising expenses $ 210 $ 287 $ 397
Weighted average number of common shares, contingently issuable 35    
Stock Options, Restricted Stock and Restricted Stock Units
     
Antidilutive securities excluded from computation of earnings per share 59 45 33
5.75% Convertible Senior Notes
     
Antidilutive securities excluded from computation of earnings per share   15 24
Equipment | Maximum
     
Property, plant and equipment, useful life 6 years    
Equipment | Minimum
     
Property, plant and equipment, useful life 2 years    
Building and Building Improvements | Maximum
     
Property, plant and equipment, useful life 39 years