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Contingencies and Environmental Liabilities - Narrative (Details) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 legalmatter | Dec. 31, 2020 USD ($) legalmatter | Dec. 31, 2018 USD ($)
Patent litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Litigation settlement, gain (loss) | $ |  |  | $ 115
Loss contingency, claims settled, number |  | 9 |
Commercial Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, pending claims number |  | 2 |
Loss contingency, number of plaintiffs |  | 2 |
Fosamax |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, pending claims number |  | 3,520 |
Fosamax | Federal Court |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, pending claims number |  | 970 |
Loss contingency, claims dismissed number | 650 |  |
Loss contingency, claims on appeal, number |  | 515 |
Fosamax | New Jersey State Court |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, pending claims number |  | 2,270 |
Fosamax | California State Court |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, pending claims number |  | 275 |
Fosamax | Other State Court |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, pending claims number |  | 4 |
Januvia |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, pending claims number |  | 1,480 |
Januvia | Cases Company Agreed To Toll Statute Of Limitations |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, pending claims number |  | 50 |
Januvia | Other State Court |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, pending claims number |  | 6 |
Vioxx |  |  |
Loss Contingencies [Line Items] |  |  |
Litigation settlement, gain (loss) | $ |  | $ (25) |

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- Definition Loss Contingency, Claims on Appeal, Number + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Number of claims dismissed. + References No definition available. + Details
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- Definition Number of claims settled. + References No definition available. + Details
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- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
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- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 + Details
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