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Fair Value Measurements - Financial Assets and Liabilities at Fair Value (Details) - USD ($) $ in Millions	9 Months Ended
	Oct. 02, 2022	Oct. 03, 2021	Jan. 02, 2022
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	$ 4,475
Derivatives designated as hedging instruments : Liabilities	3,765
Available-for-sale Securities, Equity Securities	522		$ 1,884
Available-for-sale Securities	22,124		19,727
Contingent consideration	525		533
Total Gross Assets	4,653		1,360
Credit Support Agreement (CSA)	(4,440)		(1,285)
Total Net Asset	213		75
Total Gross Liabilities	3,833		1,888
Credit Support Agreement (CSA)	(3,636)		(1,855)
Total Net Liabilities	197		33
Beginning Balance	533	$ 633
Changes in estimated fair value (6)	(85)	28
Additions	89	0
Payments	(12)	(48)
Ending Balance	525	$ 613
Equity Securities
Financial assets and liabilities at fair value
Marketable Securities, Noncurrent	600
Quoted prices in active markets for identical assets and liabilities Level 1
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	0
Derivatives designated as hedging instruments : Liabilities	0
Available-for-sale Securities, Equity Securities	522		1,884
Available-for-sale Securities	0
Contingent consideration	0
Significant other observable inputs Level 2
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	4,475		1,336
Derivatives designated as hedging instruments : Liabilities	3,765		1,860
Available-for-sale Securities, Equity Securities	0
Available-for-sale Securities	22,124
Contingent consideration	0
Significant unobservable inputs Level 3
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	0
Derivatives designated as hedging instruments : Liabilities	0
Available-for-sale Securities, Equity Securities	0
Available-for-sale Securities	0
Contingent consideration	525		533
Interest Rate Contract
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	2,533
Derivatives designated as hedging instruments : Liabilities	1,884
Interest Rate Contract | Quoted prices in active markets for identical assets and liabilities Level 1
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	0
Derivatives designated as hedging instruments : Liabilities	0
Interest Rate Contract | Significant other observable inputs Level 2
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	2,533		796
Derivatives designated as hedging instruments : Liabilities	1,884		979
Interest Rate Contract | Significant unobservable inputs Level 3
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	0
Derivatives designated as hedging instruments : Liabilities	0
Forward foreign exchange contracts
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	1,942
Derivatives designated as hedging instruments : Liabilities	1,881
Derivatives not designated as hedging instruments : Assets	178
Derivatives not designated as hedging instruments : Liabilities	68
Forward foreign exchange contracts | Quoted prices in active markets for identical assets and liabilities Level 1
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	0
Derivatives designated as hedging instruments : Liabilities	0
Derivatives not designated as hedging instruments : Assets	0
Derivatives not designated as hedging instruments : Liabilities	0
Forward foreign exchange contracts | Significant other observable inputs Level 2
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	1,942		540
Derivatives designated as hedging instruments : Liabilities	1,881		881
Derivatives not designated as hedging instruments : Assets	178		24
Derivatives not designated as hedging instruments : Liabilities	68		28
Forward foreign exchange contracts | Significant unobservable inputs Level 3
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	0
Derivatives designated as hedging instruments : Liabilities	0
Derivatives not designated as hedging instruments : Assets	0
Derivatives not designated as hedging instruments : Liabilities	0
Other Noncurrent Liabilities | Auris Health
Financial assets and liabilities at fair value
Contingent consideration	507		520
Other Current Liabilities
Financial assets and liabilities at fair value
Contingent consideration	$ 18		$ 13

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