Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000875045-21-000025-index-headers.html | 2021-04-22 07:08:18 | |
| 0000875045-21-000025-index.html | 2021-04-22 07:08:18 | |
| 0000875045-21-000025.txt | 2021-04-22 07:08:18 | |
 0000875045-21-000025-xbrl.zip | 33434 | 2021-04-22 07:08:18 |
| biib-20210422.htm | 31372 | 2021-04-22 07:08:18 |
| biib-20210422.xsd | 2443 | 2021-04-22 07:08:18 |
| biib-20210422_cal.xml | 726 | 2021-04-22 07:08:18 |
| biib-20210422_def.xml | 1663 | 2021-04-22 07:08:18 |
| biib-20210422_htm.xml | 11365 | 2021-04-22 07:08:18 |
| biib-20210422_lab.xml | 24275 | 2021-04-22 07:08:18 |
| biib-20210422_pre.xml | 12662 | 2021-04-22 07:08:18 |
 biogenlogostandarda291a.jpg | 756402 | 2021-04-22 07:08:18 |
| exhibit991-q12021pressrele.htm | 350657 | 2021-04-22 07:08:18 |
| FilingSummary.xml | 1747 | 2021-04-22 07:08:18 |
| Financial_Report.xlsx | 5693 | 2021-04-22 07:08:18 |
| MetaLinks.json | 17407 | 2021-04-22 07:08:18 |
| R1.htm | 38645 | 2021-04-22 07:08:18 |
| report.css | 2767 | 2021-04-22 07:08:18 |
| Show.js | 1085 | 2021-04-22 07:08:18 |