Quarterly report pursuant to Section 13 or 15(d)

Sale and Leaseback Transactions (Details) (Narrative)

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Sale and Leaseback Transactions (Details) (Narrative) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Sale Leaseback Transaction [Line Items]    
Gain (loss) on sale of property, plant and equipment $ (48) $ 0
Property in Austin Texas
    
Sale Leaseback Transaction [Line Items]    
Proceeds from sale of property, plant, and equipment 164  
Gain (loss) on sale of property, plant and equipment (52)  
Net book value, property, plant and equipment sold 216  
Sale Leaseback Transaction, Lease Terms The lease expires in March 2025 and provides for one 10-year optional renewal.  
Property in Markham Canada
    
Sale Leaseback Transaction [Line Items]    
Proceeds from sale of property, plant, and equipment 13  
Gain (loss) on sale of property, plant and equipment 6  
Net book value, property, plant and equipment sold 7  
Sale Leaseback Transaction, Lease Terms The lease expires in March 2014 and provides for one 6-month renewal option.  
Sale Leaseback Transactions
    
Sale Leaseback Transaction [Line Items]    
Gain (loss) on sale of property, plant and equipment $ (46)