Entity Information
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Economic entity name
BIOGEN INC.
CIK
0000875045
Accession number
0000875045-17-000009
Generator
Workiva (WebFilings)
SEC filing page
http://www.sec.gov/Archives/edgar/data/875045/000087504517000009/0000875045-17-000009-index.htm
XBRL Instance
http://www.sec.gov/Archives/edgar/data/875045/000087504517000009/biib-20161231.xml
XBRL Cloud Viewer
https://edgardashboard.xbrlcloud.com/flex/viewer/XBRLViewer.html#instance=http://www.sec.gov/Archives/edgar/data/875045/000087504517000009/biib-20161231.xml