Summary of Significant Accounting Policies - Schedule of Cumulative Effect Adjustments (Details) - USD ($) $ in Millions	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of Adjustment	$ 63,278	$ 59,471	$ 59,752		$ 60,160
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of Adjustment					(486)
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of Adjustment	$ 113,890	$ 110,659	$ 106,216		101,793
Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of Adjustment				$ (254)	$ (254)
ASU 2014-09 - Revenue from Contracts with Customers | Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of Adjustment				(47)
ASU 2016-01 - Financial Instruments | Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of Adjustment				232
ASU 2016-16 - Income Taxes: Intra-Entity Transfers | Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of Adjustment				$ (439)