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Debt Balances (Detail) (USD $)
In Millions, unless otherwise specified
Jun. 15, 2012
Dec. 30, 2011
Debt Instrument [Line Items]    
Debt $ 714 $ 850
Non-Recourse Debt
   
Debt Instrument [Line Items]    
Debt 608 [1] 729 [1]
Warehouse Credit Facility
   
Debt Instrument [Line Items]    
Debt 103 [1] 118 [1]
Other Debt
   
Debt Instrument [Line Items]    
Debt $ 3 $ 3
[1] Interest rates are as of June 15, 2012.