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Debt Long-term Debt Footnote J (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
May. 31, 2012
Jan. 03, 2015
Jan. 02, 2016
May. 31, 2013
Debt Instrument [Line Items]        
Notional amount of derivatives   $ 4,214 $ 1,680  
1.75% U.S. Dollar Notes Due 2017 [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Face Amount $ 400      
Debt Instrument, Term 5 years      
Debt instrument, stated interest rate 1.75%      
Debt Instrument, Interest Rate, Effective Percentage     1.71%  
Notional amount of derivatives       $ 400
Fair value adjustment for interest rate swaps   $ 3    
Unamortized gain on termination of interest rate swaps     $ 1