Pension Benefits Assumptions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Pension
Defined Benefit Plan Disclosure [Line Items]
Discount rate, benefit obligation	2.90%	3.90%	3.30%
Long-term rate of compensation increase	3.40%	3.80%	3.90%
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 Plans [Member] | Pension
Defined Benefit Plan Disclosure [Line Items]
Discount Rate	3.70%	3.30%	3.60%
Long-term rate of compensation increase	4.00%	3.90%	3.90%
Long-term rate of return on plan assets	7.30%	7.40%	8.10%
Defined Benefit Plan, Benefit Obligation	$ 5,654	$ 5,117	$ 5,648
United States | Pension
Defined Benefit Plan Disclosure [Line Items]
Percentage of consolidated pension and postretirement benefit plan assets	72.00%
Long-term inflation assumption	2.50%
Active management premium	0.80%
Expected rate of return on foreign plan assets	7.00%
Expected rates of return	54th percentile
Mortality rate | Pension
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation	$ 77