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Contingencies and Environmental Liabilities - Propecia/Proscar Litigation - Narrative (Details) - Propecia/Proscar $ in Millions | Apr. 09, 2018 USD ($) | Dec. 31, 2018 legalmatter
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Loss Contingencies [Line Items] |  |
Settlement awarded to other party | $ | $ 4.3 |
Plaintiff participation in litigation settlement (as percent) | 95.00% |
Loss contingency, pending claims number | legalmatter |  | 25

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- Definition Percentage of claims participating in litigation settlement. + References No definition available. + Details
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Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount awarded to other party in judgment or settlement of litigation. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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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 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=82911808&loc=d3e14435-108349 + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |