Annual report pursuant to Section 13 and 15(d)

Restructuring (Schedule of Restructuring Activities and Related Liabilities) (Details)

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Restructuring (Schedule of Restructuring Activities and Related Liabilities) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Dec. 25, 2010
Restructuring Cost and Reserve [Line Items]      
Restructuring charges $ 100 $ 100  
Cash payments (105) (32)  
Non-cash charges (4) (1)  
Restructuring reserve balance 58 67 0
Severance and Related Benefits
      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges 95 54  
Cash payments (76) (32)  
Non-cash charges 0 0  
Restructuring reserve balance 41 22 0
Other Exit Related Costs
      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges 5 46  
Cash payments (29) 0  
Non-cash charges (4) (1)  
Restructuring reserve balance $ 17 $ 45 $ 0