Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | 10-K | biib-20191231x10k.htm iXBRL | 10-K | 5818481 |
| 2 | EXHIBIT 4.4 | biib-20191231xex44.htm | EX-4.4 | 129044 |
| 3 | EXHIBIT 21 | biib-20191231xex21.htm | EX-21 | 63176 |
| 4 | EXHIBIT 23 | biib-20191231xex23.htm | EX-23 | 2582 |
| 5 | EXHIBIT 31.1 | biib-20191231xex311.htm | EX-31.1 | 13966 |
| 6 | EXHIBIT 31.2 | biib-20191231xex312.htm | EX-31.2 | 14309 |
| 7 | EXHIBIT 32.1 | biib-20191231xex321.htm | EX-32.1 | 6585 |
| 13 | acquirediprd.jpg | GRAPHIC | 19652 | |
| 14 | amortofacquireintang.jpg | GRAPHIC | 20166 | |
| 15 | anticd20revenue.jpg | GRAPHIC | 46358 | |
| 16 | avonex.jpg | GRAPHIC | 5670 | |
| 17 | benepalia04.jpg | GRAPHIC | 629417 | |
| 18 | biogenlogo2020a01.jpg | GRAPHIC | 12981 | |
| 19 | biosimilarsrev.jpg | GRAPHIC | 33068 | |
| 20 | bubbles20192.jpg | GRAPHIC | 59223 | |
| 21 | cogs.jpg | GRAPHIC | 32717 | |
| 22 | collaborationprofitshare.jpg | GRAPHIC | 20088 | |
| 23 | equityinlossofinvestee.jpg | GRAPHIC | 17223 | |
| 24 | fampyra.jpg | GRAPHIC | 2031 | |
| 25 | finhighlights.jpg | GRAPHIC | 35555 | |
| 26 | flixabi.jpg | GRAPHIC | 628388 | |
| 27 | fumaderm.jpg | GRAPHIC | 3140 | |
| 28 | fvremeasurementcc.jpg | GRAPHIC | 19677 | |
| 29 | gazyva.jpg | GRAPHIC | 21759 | |
| 30 | imraldi.jpg | GRAPHIC | 629442 | |
| 31 | incometaxprovision.jpg | GRAPHIC | 35034 | |
| 32 | interferonrev.jpg | GRAPHIC | 35937 | |
| 33 | lossondivestitureofdenmark.jpg | GRAPHIC | 18380 | |
| 34 | marketedproductsrev.jpg | GRAPHIC | 86887 | |
| 35 | nci.jpg | GRAPHIC | 17897 | |
| 36 | ocrevus.jpg | GRAPHIC | 30240 | |
| 37 | otherincomeexpense.jpg | GRAPHIC | 18245 | |
| 38 | otherrev.jpg | GRAPHIC | 29530 | |
| 39 | plegridy.jpg | GRAPHIC | 5127 | |
| 40 | researchanddev.jpg | GRAPHIC | 39169 | |
| 41 | researchanddevelopment.jpg | GRAPHIC | 69143 | |
| 42 | reservesdisandallow.jpg | GRAPHIC | 32711 | |
| 43 | rituxan.jpg | GRAPHIC | 9985 | |
| 44 | rituxanhycelalogo300x87.jpg | GRAPHIC | 9120 | |
| 45 | sellinggeneralandadmin.jpg | GRAPHIC | 20785 | |
| 46 | spinrazalogonewa01.jpg | GRAPHIC | 72059 | |
| 47 | spinrazarev.jpg | GRAPHIC | 34301 | |
| 48 | stockperfgraph.jpg | GRAPHIC | 66807 | |
| 49 | tecfidera.jpg | GRAPHIC | 7384 | |
| 50 | tecfiderarev.jpg | GRAPHIC | 35617 | |
| 51 | tysabri.jpg | GRAPHIC | 6359 | |
| 52 | tysabrirev.jpg | GRAPHIC | 36569 | |
| 53 | vumerity-logoa03.jpg | GRAPHIC | 4657 | |
| Complete submission text file | 0000875045-20-000005.txt | 33018966 |
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 8 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | biib-20191231.xsd | EX-101.SCH | 129843 |
| 9 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | biib-20191231_cal.xml | EX-101.CAL | 165403 |
| 10 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | biib-20191231_def.xml | EX-101.DEF | 852984 |
| 11 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | biib-20191231_lab.xml | EX-101.LAB | 1694809 |
| 12 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | biib-20191231_pre.xml | EX-101.PRE | 1196746 |
| 88 | EXTRACTED XBRL INSTANCE DOCUMENT | biib-20191231x10k_htm.xml | XML | 5597943 |
IRS No.: 330112644 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-19311 | Film No.: 20583107
SIC: 2836 Biological Products, (No Diagnostic Substances)
