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Acquisitions, Goodwill and Other Intangible Assets (Impairment Charges) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
May 31, 2012
Goodwill And Other Intagible [Line Items]        
Impairment charges $ 19 $ 3 $ 1  
Estimated fair value of long-lived assets 11      
Additional purchase price payable       24
Navigable Foods [Member]
       
Goodwill And Other Intagible [Line Items]        
A portion of original purchase price paid 5      
Asia Pacific [Member]
       
Goodwill And Other Intagible [Line Items]        
Impairment charges 17      
Asia Pacific [Member] | Navigable Foods [Member]
       
Goodwill And Other Intagible [Line Items]        
Goodwill, impairment loss   20    
Write-down of fixed assets   9    
Impairment charges   29    
Estimated fair value of long-lived assets   10    
Proceeds from sale of Navigable Foods 11      
Asia Pacific [Member] | Cost of Goods Sold [Member]
       
Goodwill And Other Intagible [Line Items]        
Write-down of fixed assets 17      
Asia Pacific [Member] | Cost of Goods Sold [Member] | Navigable Foods [Member]
       
Goodwill And Other Intagible [Line Items]        
Write-down of fixed assets   8    
Asia Pacific [Member] | Selling General Administrative Expense [Member] | Navigable Foods [Member]
       
Goodwill And Other Intagible [Line Items]        
Write-down of fixed assets   1    
AUSTRALIA
       
Goodwill And Other Intagible [Line Items]        
Estimated fair value of long-lived assets $ 11