Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000875045-20-000008-index-headers.html | 2020-04-22 07:12:33 | |
| 0000875045-20-000008-index.html | 2020-04-22 07:12:33 | |
| 0000875045-20-000008.txt | 2020-04-22 07:12:33 | |
 0000875045-20-000008-xbrl.zip | 36986 | 2020-04-22 07:12:33 |
| biib-20200331.xsd | 4451 | 2020-04-22 07:12:33 |
| biib-20200331_cal.xml | 624 | 2020-04-22 07:12:33 |
| biib-20200331_def.xml | 1474 | 2020-04-22 07:12:33 |
| biib-20200331_lab.xml | 26147 | 2020-04-22 07:12:33 |
| biib-20200331_pre.xml | 13580 | 2020-04-22 07:12:33 |
 biogenlogostandarda28.jpg | 756402 | 2020-04-22 07:12:33 |
| exhibit991-q12020press.htm | 491112 | 2020-04-22 07:12:33 |
| FilingSummary.xml | 1752 | 2020-04-22 07:12:33 |
| Financial_Report.xlsx | 5820 | 2020-04-22 07:12:33 |
| MetaLinks.json | 18367 | 2020-04-22 07:12:33 |
| q12020earnings8-k1.htm | 37095 | 2020-04-22 07:12:33 |
| q12020earnings8-k1_htm.xml | 4261 | 2020-04-22 07:12:33 |
| R1.htm | 38640 | 2020-04-22 07:12:33 |
| report.css | 2767 | 2020-04-22 07:12:33 |
| Show.js | 1085 | 2020-04-22 07:12:33 |