Accounting Policies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Accounting Policies and New Accounting Standards [Line Items]
Assets	$ 17,780	$ 16,351
Income tax examination percentage likelihood of being realized upon settlement	50.00%
Maximum length of time, forward contracts and options	18 months
Maximum length of time hedged in price risk cash flow hedge	18 months
Payables Placed On Tracking System	$ 893	850
Payables Financed By Participating Suppliers	701	674
Excess Tax Benefit From Share Based Compensation			$ 36
Excess Tax Benefit from Share-based Compensation, Operating Activities	11	4	36
Reductions credited to income tax expense	(1)	$ (28)	$ (4)
Income tax credits and adjustments, transfer of intellectual property	$ 39
GILTI percentage excess of shareholder net tested income	50.00%
Credit for percentage of taxes paid or accrued for tested income of controlled foreign corporations	80.00%
Minimum
Accounting Policies and New Accounting Standards [Line Items]
Expected rates of return	25th
Maximum
Accounting Policies and New Accounting Standards [Line Items]
Expected rates of return	75th
Machinery and Equipment [Member] | Minimum
Accounting Policies and New Accounting Standards [Line Items]
Property, Plant and Equipment, Useful Life	15 years
Machinery and Equipment [Member] | Maximum
Accounting Policies and New Accounting Standards [Line Items]
Property, Plant and Equipment, Useful Life	30 years
Office Equipment [Member] | Maximum
Accounting Policies and New Accounting Standards [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Computer Equipment and Capitalized Software [Member] | Minimum
Accounting Policies and New Accounting Standards [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Computer Equipment and Capitalized Software [Member] | Maximum
Accounting Policies and New Accounting Standards [Line Items]
Property, Plant and Equipment, Useful Life	7 years
Building [Member] | Minimum
Accounting Policies and New Accounting Standards [Line Items]
Property, Plant and Equipment, Useful Life	10 years
Building [Member] | Maximum
Accounting Policies and New Accounting Standards [Line Items]
Property, Plant and Equipment, Useful Life	50 years
Building Components [Member] | Maximum
Accounting Policies and New Accounting Standards [Line Items]
Property, Plant and Equipment, Useful Life	20 years
Leases ASU | Minimum
Accounting Policies and New Accounting Standards [Line Items]
Assets	$ 450
Leases ASU | Maximum
Accounting Policies and New Accounting Standards [Line Items]
Assets	$ 500