Financial Instruments - Derivative Financial Instruments and Hedging Activities - Footnotes (Details) - USD ($) $ in Millions		3 Months Ended
		Apr. 03, 2022	Apr. 04, 2021	Dec. 31, 2021
Derivative [Line Items]
Amount of Gains/(Losses) Reclassified from OCI into OID and COS	[1]	$ 213	$ (259)
Pre-tax gain expected to be reclassified within the next 12 months		332
Short-term borrowings		645		$ 2,241
Foreign currency debt [Member]
Derivative [Line Items]
Short-term borrowings				1,100
Long-term debt		$ 821		$ 844
Designated as Hedging Instrument [Member] | Foreign exchange contracts [Member]
Derivative [Line Items]
Remaining period of hedging exposure		21 years
Designated as Hedging Instrument [Member] | Cost of sales [Member] | Foreign exchange contracts [Member]
Derivative [Line Items]
Amount of Gains/(Losses) Reclassified from OCI into OID and COS		$ 34	$ (45)

[1] Reclassified into Other (income)/deductions—net and Cost of sales. See Note 7E.