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Loss Contingency, Patents Allegedly Infringed, Challenge Of Claims, Number

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Estimate of reasonably possible loss exposure in excess of amount accrued for remediation, site restoration, postclosure, monitoring commitments, or other exit costs associated with the sale, disposal or abandonment of a particular property resulting from unanticipated contamination of the assets.

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Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

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Number of claims settled.

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Number of plaintiffs that have filed claims pertaining to a loss contingency.

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Number of another entity's patents that the entity has allegedly infringed.

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Number of pending claims pertaining to a loss contingency.

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Contingencies and Environmental Liabilities (Details) $ in Millions			2 Months Ended	12 Months Ended
	Nov. 30, 2023 patent	Dec. 19, 2022	May 31, 2023 patent	Dec. 31, 2023 USD ($) case Plaintiff	Dec. 31, 2022 USD ($)
Loss Contingencies [Line Items]
Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration Not Disclosed Flag				liabilities
Accrued liabilities for environmental matters \| $				$ 42.0	$ 39.0
Term for paying off environmental liabilities				15 years
Aggregate possible expenditure on environmental matters in excess of amounts accrued \| $				$ 40.0
Legal Defense Costs
Loss Contingencies [Line Items]
Legal defense costs reserve \| $				210.0	$ 230.0
Zetia antitrust litigation
Loss Contingencies [Line Items]
Loss related to settlement litigation \| $				$ 572.5
Commercial and Other Litigation \| Pending Litigation
Loss Contingencies [Line Items]
Loss contingency, pending claims				2
Loss contingency, number of plaintiffs \| Plaintiff				2
The Johns Hopkins University
Loss Contingencies [Line Items]
Number of patents allegedly infringed \| patent			9
Number of patents allegedly infringed, challenge of claims \| patent	1
Gardasil/Gardasil 9 \| United States \| Pending Litigation
Loss Contingencies [Line Items]
Loss contingency, pending claims				140
Gardasil/Gardasil 9 \| Outside of the United States \| Pending Litigation
Loss Contingencies [Line Items]
Loss contingency, pending claims				15
RotaTeq \| United States \| Pending Litigation
Loss Contingencies [Line Items]
Loss contingency, number of plaintiffs				35
Bridion \| Patents
Loss Contingencies [Line Items]
Loss contingency, claims settled (in cases)				5
Bridion \| Patents \| Pending Litigation
Loss Contingencies [Line Items]
Loss contingency, pending claims				2
Loss contingency, trial period		1 day
Januvia/Janumet
Loss Contingencies [Line Items]
Loss contingency, claims settled (in cases)				26