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Debt Long-term Debt Footnote H (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Aug. 31, 2019
Nov. 30, 2016
Dec. 28, 2019
Dec. 29, 2018
Nov. 30, 2011
Debt Instrument [Line Items]          
Notional amounts of interest rate swaps     $ 6,563 $ 5,085  
Debt repurchase amount     1,000    
Interest expense $ 15   $ 284 $ 287  
2.65% U.S. Dollar Notes Due 2023          
Debt Instrument [Line Items]          
Debt Instrument, Face Amount   $ 600      
Debt Instrument, Term   7 years      
Debt instrument, stated interest rate 2.65% 2.65%      
Debt Instrument, Interest Rate, Effective Percentage     3.39%    
Notional amounts of interest rate swaps   $ 300      
Unamortized gain (loss) on termination of interest rate swaps     $ (9)    
Debt repurchase amount $ 50        
Interest expense $ 2        
1.875% U.S. Dollar Notes Due 2016          
Debt Instrument [Line Items]          
Debt instrument, stated interest rate         1.875%