Hedging Activities and Fair Value Measurements (Details) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) units	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	$ 6,896	$ 8,321
Cost of Goods and Services Sold	4,345	3,956	$ 3,711
Interest Expense	265	470	341
Other Operating Income (Expense), Net	93	38	(218)
Derivative Asset, Fair Value, Gross Asset	266	381
Derivative Liability, Fair Value, Gross Liability	1,050	1,005
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	107	149
Licensing arrangements	$ 30	67
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent
Fair value of contingent consideration	$ 404	149	486
Licensing arrangements	41	80
Cash	411	256
Debt Instrument, Fair Value Disclosure	8,735	8,203
November 2019 Aggregate Offering
Derivative Instruments, Gain (Loss) [Line Items]
Long-term Debt | €				€ 900
December 2027 Notes
Derivative Instruments, Gain (Loss) [Line Items]
Long-term Debt	$ 995	960
Debt Instrument, Interest Rate, Stated Percentage	0.625%
Financial Asset
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk-Adjusted Discount Rates used in Purchase Price Allocation	15.00%
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Licensing arrangements	$ 77
Licensing arrangements	90
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	454	673
Equity Securities, FV-NI	18	2
Derivative assets	266	381
Licensing arrangements	77	127
Assets, Fair Value Disclosure	816	1,182
Foreign Currency Contracts, Liability, Fair Value Disclosure	1,050	1,005
Fair value of contingent consideration	404	149
Licensing arrangements	90	159
Financial and Nonfinancial Liabilities, Fair Value Disclosure	1,545	1,313
Fair Value, Measurements, Recurring [Member] | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	454	673
Equity Securities, FV-NI	18	2
Derivative assets	0	0
Licensing arrangements	0	0
Assets, Fair Value Disclosure	472	674
Foreign Currency Contracts, Liability, Fair Value Disclosure	0	0
Fair value of contingent consideration	0	0
Licensing arrangements	0	0
Financial and Nonfinancial Liabilities, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	0	0
Equity Securities, FV-NI	0	0
Derivative assets	266	381
Licensing arrangements	0	0
Assets, Fair Value Disclosure	266	381
Foreign Currency Contracts, Liability, Fair Value Disclosure	1,050	1,005
Fair value of contingent consideration	0	0
Licensing arrangements	0	0
Financial and Nonfinancial Liabilities, Fair Value Disclosure	1,050	1,005
Fair Value, Measurements, Recurring [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	0	0
Equity Securities, FV-NI	0	0
Derivative assets	0	0
Licensing arrangements	77	127
Assets, Fair Value Disclosure	77	127
Foreign Currency Contracts, Liability, Fair Value Disclosure	0	0
Fair value of contingent consideration	404	149
Licensing arrangements	90	159
Financial and Nonfinancial Liabilities, Fair Value Disclosure	494	308
Fair Value, Measurements, Recurring [Member] | Level 3 | Financial Asset
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Licensing arrangements	77	127	246
Proceeds from Royalties Received	(61)	(141)
Increase (Decrease) in Fair Value Adjustments on Other Assets (Liabilities) Carried at Fair Value under Fair Value Option	11	22
Fair Value, Measurements, Recurring [Member] | Level 3 | Financial Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Licensing arrangements	90	159	281
Payments for Royalties	(80)	(145)
Increase (Decrease) in Fair Value Adjustments on Other Assets (Liabilities) Carried at Fair Value under Fair Value Option	12	23
Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value	246	345
Derivative Instruments in Hedges, Liabilities, at Fair Value	1,012	953
Designated as Hedging Instrument [Member] | Other long-term liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments in Hedges, Liabilities, at Fair Value	$ 988	952
Designated as Hedging Instrument [Member] | Forward currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Forward Currency Contracts, Time to Maturity | units	36
Designated as Hedging Instrument [Member] | Forward currency contracts | Other long-term assets
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value	$ 107	149
Designated as Hedging Instrument [Member] | Forward currency contracts | Other current liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments in Hedges, Liabilities, at Fair Value	15	0
Designated as Hedging Instrument [Member] | Forward currency contracts | Other long-term liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments in Hedges, Liabilities, at Fair Value	9	1
Designated as Hedging Instrument [Member] | Forward currency contracts | Other current assets
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value	140	196
Not Designated as Hedging Instrument [Member] | Other, net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	3	(53)	(16)
Foreign Currency Transaction Gain (Loss), before Tax	(44)	21	(12)
Net gain (loss) from foreign currency transaction exposures	44	(21)	12
Net currency exchange gain (loss)	(41)	(31)	(27)
Not Designated as Hedging Instrument [Member] | Forward currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	3,282	4,235
Not Designated as Hedging Instrument [Member] | Forward currency contracts | Other current liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	38	52
Not Designated as Hedging Instrument [Member] | Forward currency contracts | Other current assets
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	$ 20	36
Weighted Average | Financial Asset
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk-Adjusted Discount Rates used in Purchase Price Allocation	15.00%
Weighted Average | Financial Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk-Adjusted Discount Rates used in Purchase Price Allocation	13.00%
Minimum | Financial Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk-Adjusted Discount Rates used in Purchase Price Allocation	12.00%
Maximum | Financial Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk-Adjusted Discount Rates used in Purchase Price Allocation	15.00%
Cash flow hedge | Forward currency contracts | Cost of products sold
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months	$ 152
Cash flow hedge | Interest rate derivative contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	(1)
Cash flow hedge | Designated as Hedging Instrument [Member] | Forward currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	2,284	2,725
Cash flow hedge | Designated as Hedging Instrument [Member] | Forward currency contracts | Cost of products sold
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	81	276	268
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	(18)	(62)	(60)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	63	214	208
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	(235)	(209)	(54)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	53	47	12
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	(182)	(162)	(42)
Cash flow hedge | Designated as Hedging Instrument [Member] | Interest rate derivative contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	0	0	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	0	0	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	0	0	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	3	16	5
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	(1)	(4)	(1)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	2	13	4
Net investment hedge | Forward currency contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Used in Net Investment Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	9
Net investment hedge | Designated as Hedging Instrument [Member] | Forward currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	333	365
Net investment hedge | Designated as Hedging Instrument [Member] | Forward currency contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	32	41	56
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, Tax	(7)	(10)	(13)
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, after Tax	25	32	43
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), Reclassification, before Tax	(10)	(10)	(13)
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), after Reclassification, Tax	2	2	3
Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax	(8)	(8)	(10)
Net investment hedge | Designated as Hedging Instrument [Member] | Foreign currency denominated in debt
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	997	997
Net investment hedge | Designated as Hedging Instrument [Member] | Foreign currency denominated in debt | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	(34)	61	82
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, Tax	8	(14)	(19)
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, after Tax	(27)	47	64
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), Reclassification, before Tax	0	0	0
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), after Reclassification, Tax	0	0	0
Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax	$ 0	$ 0	$ 0