Fair Value Measurements and Fair Value of Financial Instruments - Derivative Instruments, Gains & Losses (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Currency exchange contracts \| Included in cost of product revenues \| Derivatives Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative	$ 3	$ 7	$ 15	$ 8
Currency exchange contracts \| Included in other income/(expense) \| Derivatives Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative	20	(8)	32	147
Fair value hedging relationships \| Interest rate swaps \| Derivatives Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative	0	0	0	(3)
Fair value hedging relationships \| Interest rate swaps \| Included in other income/(expense) \| Derivatives Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Change in gain (loss) recognized on hedged item	0	0	0	25
Derivatives designated as cash flow hedges \| Interest rate swaps \| Included in other income/(expense) \| Derivatives Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedge reclassified from AOCI	(1)	(2)	(3)	(21)
Financial instruments designated as net investment hedges \| Foreign currency-denominated debt and other payables \| Derivatives Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on currency translation adjustment	658	297	1,691	673
Financial instruments designated as net investment hedges \| Cross-currency interest rate swaps \| Derivatives Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative	6	2	12	6
Gain (loss) on currency translation adjustment	$ 46	$ 20	$ 120	$ 52

Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount, before tax, of increase (decrease) in the cumulative translation adjustment from gain (loss) on foreign currency derivatives that are designated as, and are effective as, economic hedges of a net investment in a foreign entity.

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