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Accounts Receivable and Finance Receivables (Details 9) (USD $)
In Millions, unless otherwise specified
Dec. 29, 2012
Dec. 31, 2011
Summary of captive finance receivables for the inventory sales    
Total $ 1,496 $ 1,617
Loans
   
Summary of captive finance receivables for the inventory sales    
Total 1,389 1,496
Finance leases
   
Summary of captive finance receivables for the inventory sales    
Total $ 107 $ 121