v2.4.0.6
Merger and Integration Activity (Detail) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 16, 2012
Jun. 11, 2011
Restructuring Cost and Reserve [Line Items]    
Liability as of December 31, 2011 $ 105  
2012 merger and integration charges 5 113
Cash payments (47) (207)
Non-cash charges (5)  
Liability as of June 16, 2012 58  
Severance And Other Employee Costs
   
Restructuring Cost and Reserve [Line Items]    
Liability as of December 31, 2011 98  
2012 merger and integration charges 3  
Cash payments (43)  
Non-cash charges (5)  
Liability as of June 16, 2012 53  
Other Costs
   
Restructuring Cost and Reserve [Line Items]    
Liability as of December 31, 2011 7  
2012 merger and integration charges 2  
Cash payments (4)  
Liability as of June 16, 2012 $ 5