Derivative Instruments and Hedging Activities - Fair Value of Derivative Instruments in Condensed Consolidated Balance Sheet (Details) - Derivatives designated as hedging instruments - Foreign currency forward contracts - Cash flow hedges - USD ($) $ in Millions	Oct. 02, 2020	Jan. 03, 2020
Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset	$ 12	$ 8
Other non-current assets
Derivatives, Fair Value [Line Items]
Derivative asset	2	2
Other accrued items
Derivatives, Fair Value [Line Items]
Derivative liability	7	6
Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	$ 0	$ 2