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Debt Long-term Debt Footnote D (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Mar. 31, 2014
May. 31, 2012
Jan. 03, 2015
Jan. 02, 2016
Sep. 30, 2014
May. 31, 2013
Debt Instrument [Line Items]            
Notional amounts of interest rate swaps     $ 4,214 $ 1,680    
3.125% U.S. Dollar Debentures Due 2022 [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount   $ 700        
Debt Instrument, Term   10 years        
Debt instrument, stated interest rate   3.125%        
Debt Instrument, Interest Rate, Effective Percentage       2.69%    
Debt Instrument Amount Redeemed $ 342          
Reduction in interest expense 2          
Debt instrument, fee amount $ 2          
Notional amounts of interest rate swaps         $ 158 $ 200
Unamortized gain on termination of interest rate swaps       $ 13    
Fair value adjustment for interest rate swaps     $ 1