| Component: (Network and Table) | |
|---|---|
| Network | 101090 - Disclosure - Summary of Non-Monetary Long-Lived Assets by Geographic Region (Detail) (http://www.bmrn.com/20161231/taxonomy/role/DisclosureSummaryOfNonMonetaryLongLivedAssetsByGeographicRegionDetail) |
| Table | Schedule Of Entity Wide Information Revenue From External Customers By Products And Services [Table] |
| Reporting Entity [Axis] | 0001048477 (http://www.sec.gov/CIK) |
| Revenue from External Customer [Line Items] | Period [Axis] | |||||||
|---|---|---|---|---|---|---|---|---|
2016-12-31 | 2015-12-31 | |||||||
| Geographical | Geographical | |||||||
| United States | Europe | Rest of World | Geographical | United States | Europe | Rest of World | Geographical | |
Total long-lived assets | ||||||||