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Derivative Instruments - Loss (Gain) (Details) - Derivative instruments not designated as hedges - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Sep. 30, 2017
Oct. 01, 2016
Derivative Instruments, Gain (Loss) [Line Items]        
Total loss recognized in income $ (5) $ (3) $ (20) $ (4)
Foreign exchange contracts | Foreign exchange loss        
Derivative Instruments, Gain (Loss) [Line Items]        
Total loss recognized in income (6) (3) (22) (6)
Forward interest rate swaps | Interest expense, net        
Derivative Instruments, Gain (Loss) [Line Items]        
Total loss recognized in income $ 1 $ 0 $ 2 $ 2