Annual report pursuant to Section 13 and 15(d)

Commitments (Detail)

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Commitments (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 25, 2010
Dec. 26, 2009
Minimum Rental Commitments Schedule By Year Payable [Abstract]      
Minimum rental commitments payable, 2012 $ 183    
Minimum rental commitments payable, 2013 142    
Minimum rental commitments payable, 2014 112    
Minimum rental commitments payable, 2015 81    
Minimum rental commitments payable, 2016 53    
Minimum rental commitments payable, 2017 and thereafter 136    
Minimum rental commitments with an initial term in excess of one year, Total payable 707    
Lease And Rental Expense [Abstract]      
Operating Leases, Rent Expense 178 124 120
Total Capital Additions Commitments [Member]
     
Unrecorded Unconditional Purchase Obligation [Abstract]      
Unrecorded Unconditional Purchase Obligation 4,700 4,600  
Other Purchase Obligations And Commitments [Member]
     
Unrecorded Unconditional Purchase Obligation [Abstract]      
Unrecorded Unconditional Purchase Obligation $ 1,000 $ 600