Derivative Instruments and Fair Value Measurements Schedule of Effect of Fair Value and Cash Flow Hedge Accounting on Consolidated Statement of Income (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Dec. 31, 2020	Sep. 28, 2019	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense	$ 20	$ 16	$ 281	$ 284
Cost of goods sold			9,043	9,197	$ 8,821
Other income (expense), net			121	188	$ (90)
Interest rate contracts | Interest expense | Designated as hedging instrument | Fair value hedges
Derivative Instruments, Gain (Loss) [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge			(7)	(33)
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments			7	37
Interest rate contracts | Interest expense | Designated as hedging instrument | Cash Flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from AOCI into Income			$ (14)	$ (4)