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Contingencies - Januvia/Janumet Litigation - Narrative (Details) - Januvia - legalmatter | 1 Months Ended |
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Nov. 30, 2015 | Mar. 31, 2018
Loss Contingencies [Line Items] |  |
Loss contingency, pending claims, number (in legal matters) |  | 1,245
Loss contingency, claims dismissed, number (in legal matters) | 1,100 |
Cases Company Agreed To Toll Statute Of Limitations |  |
Loss Contingencies [Line Items] |  |
Loss contingency, pending claims, number (in legal matters) |  | 50
Other state courts |  |
Loss Contingencies [Line Items] |  |
Loss contingency, pending claims, number (in legal matters) |  | 7
Other state courts | Illinois state court |  |
Loss Contingencies [Line Items] |  |
Loss contingency, pending claims, number (in legal matters) |  | 4

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- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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