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Notes Receivable Principal Payments (Net of Reserves and Unamortized Discounts and Interest Rates) (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 28, 2012
Receivables [Abstract]    
2014 $ 36  
2015 85  
2016 4  
2017 3  
2018 5  
Thereafter 45  
Senior, mezzanine, and other loans $ 178 $ 242
Weighted average interest rate at year-end 2013 4.60%  
Range of stated interest rates at year-end 2013, minimum 0.00%  
Range of stated interest rates at year-end 2013, maximum 8.00%