Pension Benefits Assumptions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Defined Benefit Plan Disclosure [Line Items]
Other Liabilities, Current	$ 1,431	$ 1,391
Other Liabilities	40	40
Pension
Defined Benefit Plan Disclosure [Line Items]
Service Cost	$ 96	$ 98
Long-term rate of compensation increase	3.90%	3.90%	3.90%
Discount rate, benefit obligation	3.30%	3.60%	4.10%
Percentage of consolidated pension and postretirement benefit plan assets	71.00%
Discount Rate	3.60%	4.10%	3.90%
Long-term rate of compensation increase	3.90%	3.90%	4.00%
Long-term rate of return on plan assets	8.10%	8.10%	8.30%
Long-term inflation assumption	2.50%
Active management premium	1.00%
Expected rate of return on foreign plan assets	8.50%
Expected rates of return	62nd percentile
Defined Benefit Plan, Benefit Obligation	$ 5,648	$ 5,510	$ 5,316
Pension | Change in accounting estimate
Defined Benefit Plan Disclosure [Line Items]
Service Cost		10
Pension | Change in assumptions
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation	(21)
Defined Benefit Plans [Member] | Pension
Defined Benefit Plan Disclosure [Line Items]
Service Cost	$ 96	98	$ 114
Defined Benefit Plans [Member] | Pension | Change in accounting estimate
Defined Benefit Plan Disclosure [Line Items]
Service Cost		$ 30
Minimum
Defined Benefit Plan Disclosure [Line Items]
Expected rates of return	25th
Minimum | US High Quality Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate Bond Yield Percentile	40.00%
Minimum | Canada And Europe [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate Bond Yield Percentile	10.00%
Maximum
Defined Benefit Plan Disclosure [Line Items]
Expected rates of return	75th
Maximum | US High Quality Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate Bond Yield Percentile	90.00%
Maximum | Canada And Europe [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate Bond Yield Percentile	90.00%