Nonpension Postretirement and Postemployment Benefits Components of Postretirement Expense, Postemployment (Details) - Postemployment - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service Cost	$ 3	$ 3
Interest Cost	1	2
Global plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service Cost	2	3	$ 3
Interest Cost	1	2	1
Amortization of Unrecognized Prior Service Cost (Credit)	1	1	1
Recognized net (gain) loss	(3)	(5)	(5)
Net periodic benefit cost	1	1	0
Settlement cost	(1)	(3)	0
Postemployment Benefits, Period Expense	$ 0	$ (2)	$ 0