Income Taxes - Temporary Differences and Carryforwards (Details) - USD ($) $ in Millions	Jan. 03, 2021	Dec. 29, 2019
Components of Deferred Tax Assets and Liabilities [Abstract]
Deferred Tax Assets, Employee related obligations	$ 2,434	$ 2,473
Deferred Tax Assets, Stock based compensation	627	595
Deferred Tax Assets, Property, Plant and Equipment	721	1,122
Deferred Tax Assets, International R&D capitalized for tax	1,517	1,189
Deferred Tax Assets, Reserves & liabilities	3,466	2,337
Deferred Tax Assets, Income reported for tax purposes	1,705	1,605
Deferred Tax Assets, Net operating loss carryforward international	990	838
Deferred Tax Assets, Undistributed Foreign Earnings	812	765
Deferred Tax Assets, Miscellaneous international	854	696
Deferred Tax Assets Other Domestic	12	411
Deferred Tax Liabilities, Non-deductible intangibles	(6,567)	(5,835)
Deferred Tax Liabilities, Operating Loss Carryforwards, Foreign
Deferred Tax Liabilities, Undistributed Foreign Earnings	(1,435)	(1,289)
Deferred Tax Liability, Global Intangible Low-Taxed Income	(3,606)	(2,965)
Deferred Tax Liabilities, Miscellaneous international	(211)	(81)
Deferred Tax Assets, Total deferred income taxes	13,138	12,031
Deferred Tax Liabilities, Total deferred income taxes	$ (11,819)	$ (10,170)