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Contingencies - Fosamax Litigation - Narrative (Details) - Fosamax $ in Millions | 1 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 31, 2014 USD ($) | Mar. 31, 2014 legalmatter | Dec. 31, 2013 USD ($) legalmatter | Sep. 30, 2017 legalmatter | Jul. 31, 2015 legalmatter | Nov. 30, 2013 legalmatter
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, pending claims, number (in legal matters) |  |  |  | 4,125 |  |
ONJ Litigation |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, pending claims, number (in legal matters) |  |  |  | 15 |  |
Litigation settlement amount to other party | $ | $ 27.3 |  | $ 27.7 |  |  |
Number of claims settled (in legal matters) |  |  | 1,200 |  |  |
Percentage of participation in litigation settlement (as percent) | 95.00% |  |  |  |  |
Femur Fracture Litigation |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, pending claims, number (in legal matters) |  |  |  | 4,110 |  |
Femur Fracture Litigation | Federal |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, pending claims, number (in legal matters) |  |  |  | 520 |  |
Loss contingency, claims dismissed, number (in legal matters) |  | 650 |  | 510 |  |
Loss contingency, claims on appeal, number (in legal matters) |  |  |  | 515 |  |
Femur Fracture Litigation | New Jersey state court |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, pending claims, number (in legal matters) |  |  |  | 2,795 |  |
Loss contingency, initial cases selected for review, number (in legal matters) |  |  |  | 30 |  |
Loss contingency, subsequent cases selected for review, number (in legal matters) |  | 50 |  |  | 25 | 50
Femur Fracture Litigation | California state court |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, pending claims, number (in legal matters) |  |  |  | 280 |  |
Loss contingency, initial cases selected for review, number (in legal matters) |  | 10 |  |  |  |
Femur Fracture Litigation | Other state courts |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, pending claims, number (in legal matters) |  |  |  | 5 |  |

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