Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000875045-21-000018-index-headers.html | 2021-04-09 16:33:53 | |
| 0000875045-21-000018-index.html | 2021-04-09 16:33:53 | |
| 0000875045-21-000018.txt | 2021-04-09 16:33:53 | |
 0000875045-21-000018-xbrl.zip | 18339 | 2021-04-09 16:33:53 |
| biib-20210407.htm | 34037 | 2021-04-09 16:33:53 |
| biib-20210407.xsd | 2443 | 2021-04-09 16:33:53 |
| biib-20210407_cal.xml | 726 | 2021-04-09 16:33:53 |
| biib-20210407_def.xml | 1663 | 2021-04-09 16:33:53 |
| biib-20210407_htm.xml | 10508 | 2021-04-09 16:33:53 |
| biib-20210407_lab.xml | 24275 | 2021-04-09 16:33:53 |
| biib-20210407_pre.xml | 12662 | 2021-04-09 16:33:53 |
 biogenlogostandarda291.jpg | 756402 | 2021-04-09 16:33:53 |
| exhibit991-directoreventpr.htm | 21777 | 2021-04-09 16:33:53 |
| FilingSummary.xml | 1747 | 2021-04-09 16:33:53 |
| Financial_Report.xlsx | 5696 | 2021-04-09 16:33:53 |
| MetaLinks.json | 17407 | 2021-04-09 16:33:53 |
 picture21.jpg | 12959 | 2021-04-09 16:33:53 |
| R1.htm | 38645 | 2021-04-09 16:33:53 |
| report.css | 2767 | 2021-04-09 16:33:53 |
| Show.js | 1085 | 2021-04-09 16:33:53 |