Nonpension Postretirement and Postemployment Benefits Components of Postretirement Expense, Postemployment (Details) - Postemployment - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service Cost	$ 3	$ 3
Interest Cost	2	1
Global plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Change in incidence rate assumption	7
Service Cost	3	3	$ 6
Interest Cost	2	1	3
Amortization of Unrecognized Prior Service Cost (Credit)	1	1	1
Recognized net (gain) loss	(5)	(5)	0
Net periodic benefit cost	1	0	10
Settlement cost	(3)	0	0
Postemployment Benefits, Period Expense	(2)	$ 0	$ 10
Estimated net prior service cost for defined benefit pension plans, expected to be amortized	3
Defined Benefit Plan, Expected Amortization of Prior Service Cost (Credit), Next Fiscal Year	$ 1