Fair Value Measurements - Financial Assets and Liabilities at Fair Value (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Apr. 02, 2023	Dec. 31, 2023
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	$ 1,701
Derivatives designated as hedging instruments : Liabilities	3,944
Available-for-sale Securities, Equity Securities	4,486		$ 4,473
Available-for-sale Securities	9,346		8,874
Contingent consideration	1,114		1,092
Total Gross Assets	1,722		1,591
Credit Support Agreement (CSA)	(1,681)		(1,575)
Total Net Asset	41		16
Total Gross Liabilities	3,980		6,037
Credit Support Agreement (CSA)	(3,882)		(5,604)
Total Net Liabilities	98		433
Beginning Balance	1,092	$ 1,120
Changes in estimated fair value(6)	22	23
Additions	0	0
Payments	0	(1)
Ending Balance	1,114	$ 1,142
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	4,486		4,473
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	1,701		1,527
Derivatives designated as hedging instruments : Liabilities	3,944		5,962
Available-for-sale Securities, Equity Securities	0
Available-for-sale Securities	9,346
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	1,114		1,092
Interest Rate Contract
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	1,202
Derivatives designated as hedging instruments : Liabilities	3,543
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	1,202		988
Derivatives designated as hedging instruments : Liabilities	3,543		5,338
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	499
Derivatives designated as hedging instruments : Liabilities	401
Derivatives not designated as hedging instruments : Assets	21
Derivatives not designated as hedging instruments : Liabilities	36
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	499		539
Derivatives designated as hedging instruments : Liabilities	401		624
Derivatives not designated as hedging instruments : Assets	21		64
Derivatives not designated as hedging instruments : Liabilities	36		$ 75
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