v2.4.0.6
Restructuring, Impairment and Integration Charges (Summary of Productivity Plan Activity) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Restructuring Reserve [Roll Forward]    
Restructuring and impairment (benefits) / charges $ 279 $ 383
Severance And Other Employee Costs [Member]
    
Restructuring Reserve [Roll Forward]    
Restructuring and impairment (benefits) / charges 89 327
Asset Impairments [Member]
    
Restructuring Reserve [Roll Forward]    
Restructuring and impairment (benefits) / charges 75  
Other Costs [Member]
    
Restructuring Reserve [Roll Forward]    
Restructuring and impairment (benefits) / charges 115 56
Productivity Plan [Member]
    
Restructuring Reserve [Roll Forward]    
Liability at beginning of period 276  
Restructuring and impairment (benefits) / charges 279 383
Cash payments (343) (30)
Non-cash charges (85) (77)
Liability at end of period 127 276
Productivity Plan [Member] | Severance And Other Employee Costs [Member]
    
Restructuring Reserve [Roll Forward]    
Liability at beginning of period 249  
Restructuring and impairment (benefits) / charges 89 327
Cash payments (239) (1)
Non-cash charges (8) (77)
Liability at end of period 91 249
Productivity Plan [Member] | Asset Impairments [Member]
    
Restructuring Reserve [Roll Forward]    
Liability at beginning of period     
Restructuring and impairment (benefits) / charges 75   
Cash payments      
Non-cash charges (75)   
Liability at end of period      
Productivity Plan [Member] | Other Costs [Member]
    
Restructuring Reserve [Roll Forward]    
Liability at beginning of period 27  
Restructuring and impairment (benefits) / charges 115 56
Cash payments (104) (29)
Non-cash charges (2)   
Liability at end of period $ 36 $ 27