Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-028202-index-headers.html | 2021-02-04 09:10:12 | |
| 0001193125-21-028202-index.html | 2021-02-04 09:10:12 | |
| 0001193125-21-028202.txt | 2021-02-04 09:10:12 | |
 0001193125-21-028202-xbrl.zip | 23298 | 2021-02-04 09:10:12 |
| biib-20210204.xsd | 3074 | 2021-02-04 09:10:12 |
| biib-20210204_lab.xml | 17372 | 2021-02-04 09:10:12 |
| biib-20210204_pre.xml | 10955 | 2021-02-04 09:10:12 |
| d52158d8k.htm | 32625 | 2021-02-04 09:10:12 |
| d52158d8k_htm.xml | 3210 | 2021-02-04 09:10:12 |
| d52158dex991.htm | 28452 | 2021-02-04 09:10:12 |
| d52158dex992.htm | 19863 | 2021-02-04 09:10:12 |
| FilingSummary.xml | 1823 | 2021-02-04 09:10:12 |
| Financial_Report.xlsx | 5443 | 2021-02-04 09:10:12 |
 g52158g0204053553390.jpg | 1674 | 2021-02-04 09:10:12 |
 g52158g0204054403685.jpg | 3179 | 2021-02-04 09:10:12 |
| MetaLinks.json | 18316 | 2021-02-04 09:10:12 |
| R1.htm | 38604 | 2021-02-04 09:10:12 |
| report.css | 2767 | 2021-02-04 09:10:12 |
| Show.js | 1085 | 2021-02-04 09:10:12 |