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Financial Instruments and Fair Value Measures - Financial Instruments (Details) SFr in Millions, $ in Millions, € in Billions, kr in Billions	3 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2023 EUR (€)	Mar. 31, 2023 SEK (kr)	Mar. 31, 2023 CAD ($)	Mar. 31, 2023 CHF (SFr)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 EUR (€)	Dec. 31, 2022 SEK (kr)	Dec. 31, 2022 CAD ($)	Dec. 31, 2022 CHF (SFr)	Dec. 31, 2019 USD ($)
Derivative instruments, notional amount and fair value
Amount excluded from the assessment of effectiveness for cash flow hedges	$ 0	$ 0
Amount excluded from the assessment of effectiveness for fair value hedges	0	$ 0
Fair value - Derivatives in asset position	161,000,000						$ 163,000,000
Fair value - Derivatives in liability position	544,000,000						524,000,000
Designated as hedging instrument \| Net investment hedges \| Senior notes
Derivative instruments, notional amount and fair value
Principal amount of unsecured senior notes \| €			€ 5.9					€ 5.9
Designated as hedging instrument \| Foreign currency forward exchange contracts \| Cash flow hedges
Derivative instruments, notional amount and fair value
Notional amount of derivative instruments	$ 1,700,000,000						1,700,000,000
Duration of forward exchange contracts	18 months
Approximate length of time over which accumulated gains and losses will be recognized in Cost of products sold	6 months
Designated as hedging instrument \| Foreign currency forward exchange contracts \| Cash flow hedges \| Prepaid expenses and other
Derivative instruments, notional amount and fair value
Fair value - Derivatives in asset position	$ 32,000,000						49,000,000
Designated as hedging instrument \| Foreign currency forward exchange contracts \| Cash flow hedges \| Accounts payable and accrued liabilities
Derivative instruments, notional amount and fair value
Fair value - Derivatives in liability position	12,000,000						8,000,000
Designated as hedging instrument \| Foreign currency forward exchange contracts \| Cash flow hedges \| Other assets
Derivative instruments, notional amount and fair value
Fair value - Derivatives in asset position	1,000,000						1,000,000
Designated as hedging instrument \| Foreign currency forward exchange contracts \| Cash flow hedges \| Other long-term liabilities
Derivative instruments, notional amount and fair value
Fair value - Derivatives in liability position	1,000,000						0
Designated as hedging instrument \| Foreign currency forward exchange contracts \| Net investment hedges
Derivative instruments, notional amount and fair value
Notional amount of derivative instruments			€ 4.3	kr 2.2	$ 750	SFr 70		€ 4.3	kr 2.0	$ 750	SFr 90
Designated as hedging instrument \| Foreign currency forward exchange contracts \| Net investment hedges \| Prepaid expenses and other
Derivative instruments, notional amount and fair value
Fair value - Derivatives in asset position	3,000,000						6,000,000
Designated as hedging instrument \| Foreign currency forward exchange contracts \| Net investment hedges \| Accounts payable and accrued liabilities
Derivative instruments, notional amount and fair value
Fair value - Derivatives in liability position	78,000,000						36,000,000
Designated as hedging instrument \| Foreign currency forward exchange contracts \| Net investment hedges \| Other assets
Derivative instruments, notional amount and fair value
Fair value - Derivatives in asset position	37,000,000						74,000,000
Designated as hedging instrument \| Foreign currency forward exchange contracts \| Net investment hedges \| Other long-term liabilities
Derivative instruments, notional amount and fair value
Fair value - Derivatives in liability position	57,000,000						47,000,000
Designated as hedging instrument \| Treasury rate lock agreements \| Cash flow hedges
Derivative instruments, notional amount and fair value
Notional amount of derivative instruments												$ 10,000,000,000
Designated as hedging instrument \| Interest rate swap contracts \| Fair value hedges
Derivative instruments, notional amount and fair value
Notional amount of derivative instruments	6,000,000,000						4,500,000,000
Designated as hedging instrument \| Interest rate swap contracts \| Fair value hedges \| Prepaid expenses and other
Derivative instruments, notional amount and fair value
Fair value - Derivatives in asset position	0						0
Designated as hedging instrument \| Interest rate swap contracts \| Fair value hedges \| Accounts payable and accrued liabilities
Derivative instruments, notional amount and fair value
Fair value - Derivatives in liability position	17,000,000						17,000,000
Designated as hedging instrument \| Interest rate swap contracts \| Fair value hedges \| Other assets
Derivative instruments, notional amount and fair value
Fair value - Derivatives in asset position	11,000,000						0
Designated as hedging instrument \| Interest rate swap contracts \| Fair value hedges \| Other long-term liabilities
Derivative instruments, notional amount and fair value
Fair value - Derivatives in liability position	351,000,000						375,000,000
Not designated as hedging instrument \| Foreign currency forward exchange contracts
Derivative instruments, notional amount and fair value
Notional amount of derivative instruments	7,800,000,000						6,500,000,000
Not designated as hedging instrument \| Foreign currency forward exchange contracts \| Prepaid expenses and other
Derivative instruments, notional amount and fair value
Fair value - Derivatives in asset position	77,000,000						33,000,000
Not designated as hedging instrument \| Foreign currency forward exchange contracts \| Accounts payable and accrued liabilities
Derivative instruments, notional amount and fair value
Fair value - Derivatives in liability position	$ 28,000,000						$ 41,000,000