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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000875045-22-000007
Filing Date
2022-02-03
Accepted
2022-02-03 17:24:29
Documents
205
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K biib-20211231.htm   iXBRL 10-K 5047299
2 EX-4.8 biib-20211231xex48.htm EX-4.8 236662
3 EX-21 biib-20211231xex21.htm EX-21 43431
4 EX-23 biib-20211231xex23.htm EX-23 2693
5 EX-31.1 biib-20211231xex311.htm EX-31.1 10936
6 EX-31.2 biib-20211231xex312.htm EX-31.2 10748
7 EX-32.1 biib-20211231xex321.htm EX-32.1 8785
13 biib-20211231_g1.jpg GRAPHIC 14533
14 biib-20211231_g10.jpg GRAPHIC 127907
15 biib-20211231_g11.jpg GRAPHIC 12986
16 biib-20211231_g12.jpg GRAPHIC 13199
17 biib-20211231_g13.jpg GRAPHIC 12208
18 biib-20211231_g14.jpg GRAPHIC 10352
19 biib-20211231_g15.jpg GRAPHIC 10791
20 biib-20211231_g16.jpg GRAPHIC 23004
21 biib-20211231_g17.jpg GRAPHIC 27865
22 biib-20211231_g18.jpg GRAPHIC 2905
23 biib-20211231_g19.jpg GRAPHIC 117466
24 biib-20211231_g2.jpg GRAPHIC 157684
25 biib-20211231_g20.jpg GRAPHIC 83697
26 biib-20211231_g21.jpg GRAPHIC 88575
27 biib-20211231_g22.jpg GRAPHIC 62701
28 biib-20211231_g23.jpg GRAPHIC 62566
29 biib-20211231_g24.jpg GRAPHIC 37080
30 biib-20211231_g25.jpg GRAPHIC 67530
31 biib-20211231_g26.jpg GRAPHIC 84991
32 biib-20211231_g27.jpg GRAPHIC 54702
33 biib-20211231_g28.jpg GRAPHIC 65605
34 biib-20211231_g29.jpg GRAPHIC 58811
35 biib-20211231_g3.jpg GRAPHIC 12294
36 biib-20211231_g30.jpg GRAPHIC 75940
37 biib-20211231_g31.jpg GRAPHIC 130571
38 biib-20211231_g32.jpg GRAPHIC 38925
39 biib-20211231_g33.jpg GRAPHIC 36939
40 biib-20211231_g34.jpg GRAPHIC 36129
41 biib-20211231_g35.jpg GRAPHIC 34415
42 biib-20211231_g36.jpg GRAPHIC 36043
43 biib-20211231_g37.jpg GRAPHIC 36322
44 biib-20211231_g38.jpg GRAPHIC 38358
45 biib-20211231_g39.jpg GRAPHIC 63390
46 biib-20211231_g4.jpg GRAPHIC 8296
47 biib-20211231_g40.jpg GRAPHIC 37433
48 biib-20211231_g41.jpg GRAPHIC 35829
49 biib-20211231_g5.jpg GRAPHIC 9588
50 biib-20211231_g6.jpg GRAPHIC 8254
51 biib-20211231_g7.jpg GRAPHIC 11034
52 biib-20211231_g8.jpg GRAPHIC 3388
53 biib-20211231_g9.jpg GRAPHIC 22513
  Complete submission text file 0000875045-22-000007.txt   27497690

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT biib-20211231.xsd EX-101.SCH 147470
9 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT biib-20211231_cal.xml EX-101.CAL 158812
10 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT biib-20211231_def.xml EX-101.DEF 965307
11 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT biib-20211231_lab.xml EX-101.LAB 1473014
12 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT biib-20211231_pre.xml EX-101.PRE 1248117
199 EXTRACTED XBRL INSTANCE DOCUMENT biib-20211231_htm.xml XML 4443305
Mailing Address 225 BINNEY STREET CAMBRIDGE MA 02142
Business Address 225 BINNEY STREET CAMBRIDGE MA 02142 7814642000
BIOGEN INC. (Filer) CIK: 0000875045 (see all company filings)

IRS No.: 330112644 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-19311 | Film No.: 22589789
SIC: 2836 Biological Products, (No Diagnostic Substances)