Pension Benefits Assumptions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Minimum
Defined Benefit Plan Disclosure [Line Items]
Expected rates of return	25th
Maximum
Defined Benefit Plan Disclosure [Line Items]
Expected rates of return	75th
Global | Pension
Defined Benefit Plan Disclosure [Line Items]
Discount rate, benefit obligation	3.90%	3.30%	3.60%
Long-term rate of compensation increase	3.80%	3.90%	3.90%
Discount Rate	3.30%	3.60%	4.10%
Long-term rate of compensation increase	3.90%	3.90%	3.90%
Long-term rate of return on plan assets	7.40%	8.10%	8.10%
Percentage of consolidated pension and postretirement benefit plan assets	72.00%
Long-term inflation assumption	2.50%
Active management premium	1.00%
Expected rate of return on foreign plan assets	7.50%
Expected rates of return	39th percentile
Defined Benefit Plan, Benefit Obligation	$ 5,117	$ 5,648	$ 5,510
Global | Pension | Change in assumptions
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation	$ (10)