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Contingencies and commitments (Sensipar ANDA Patent Litigation) (Details) - lawsuit | 1 Months Ended
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Feb. 28, 2017 | Sep. 30, 2016
Sensipar (cinacalcet) Patent Litigation |  |
Gain Contingencies [Line Items] |  |
Number of lawsuits filed |  | 14
Amgen Inc. v. Aurobindo Pharma Ltd. et al |  |
Gain Contingencies [Line Items] |  |
Number of lawsuits consolidated | 14 |

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- Details
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