Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-044891-index-headers.html | 2021-02-16 16:15:02 | |
| 0001193125-21-044891-index.html | 2021-02-16 16:15:02 | |
| 0001193125-21-044891.txt | 2021-02-16 16:15:02 | |
 0001193125-21-044891-xbrl.zip | 80085 | 2021-02-16 16:15:02 |
| biib-20210216.xsd | 3075 | 2021-02-16 16:15:02 |
| biib-20210216_lab.xml | 17373 | 2021-02-16 16:15:02 |
| biib-20210216_pre.xml | 10956 | 2021-02-16 16:15:02 |
| d124092d8k.htm | 34736 | 2021-02-16 16:15:02 |
| d124092d8k_htm.xml | 3210 | 2021-02-16 16:15:02 |
| d124092dex42.htm | 172215 | 2021-02-16 16:15:02 |
| d124092dex43.htm | 44446 | 2021-02-16 16:15:02 |
| d124092dex44.htm | 43528 | 2021-02-16 16:15:02 |
| d124092dex45.htm | 98972 | 2021-02-16 16:15:02 |
| FilingSummary.xml | 1895 | 2021-02-16 16:15:02 |
| Financial_Report.xlsx | 5442 | 2021-02-16 16:15:02 |
 g124092g0204053553390.jpg | 1674 | 2021-02-16 16:15:02 |
| MetaLinks.json | 18320 | 2021-02-16 16:15:02 |
| R1.htm | 38603 | 2021-02-16 16:15:02 |
| report.css | 2767 | 2021-02-16 16:15:02 |
| Show.js | 1085 | 2021-02-16 16:15:02 |