Biogen

225.88

-1.1900-0.52%

Pre-market: 227.831.95+0.86%04:50 EDT

Volume:1.55M

Turnover:352.50M

Market Cap:33.35B

PE:40.12

High:229.36

Open:227.23

Low:225.51

Close:227.07

52wk High:230.49

52wk Low:138.00

Shares:147.64M

Float Shares:147.31M

Volume Ratio:1.30

T/O Rate:1.05%

Dividend:- -

Dividend Rate:- -

EPS(TTM):5.63

EPS(LYR):8.79

ROE:4.58%

ROA:5.21%

PB:1.77

PE(LYR):25.70

Loading ...

Overview Company News Filings

Jul 22, 2021

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://sg1.tigeractivity.com/stock/BIIB/filings?page=7"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"BIIB","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"BIIB\",,,,,undefined,":{"symbol":"BIIB","market":"US","secType":"STK","nameCN":"Biogen","latestPrice":225.88,"timestamp":1790798400000,"preClose":227.07,"halted":0,"volume":1553331,"hourTrading":{"tag":"盘前","latestPrice":227.83,"preClose":225.88,"latestTime":"04:50 EDT","volume":104,"amount":23503.19192,"timestamp":1790844632110,"change":1.95,"changeRate":0.008633,"amplitude":0.012529},"delay":0,"changeRate":-0.00524067468181617,"floatShares":147314660,"shares":147637117,"eps":5.63,"marketStatus":"Pre-Mkt","change":-1.19,"latestTime":"10-01 06:01:38 EDT","open":227.23,"high":229.36,"low":225.505,"amount":352497838.76268,"amplitude":0.016977,"askPrice":227.36,"askSize":60,"bidPrice":225,"bidSize":200,"shortable":3,"etf":0,"ttmEps":5.63,"tradingStatus":1,"nextMarketStatus":{"tag":"Open","tradingStatus":2,"beginTime":1790861400000},"marketStatusCode":1,"adr":0,"adrRate":0,"listingDate":685080000000,"exchange":"NASDAQ","adjPreClose":225.88,"preHourTrading":{"tag":"盘前","latestPrice":227.83,"preClose":225.88,"latestTime":"04:50 EDT","volume":104,"amount":23503.19192,"timestamp":1790844632110,"change":1.95,"changeRate":0.008633,"amplitude":0.012529},"postHourTrading":{"tag":"盘后","latestPrice":225.88,"preClose":225.88,"latestTime":"19:30 EDT","volume":76223,"amount":17217249.492,"timestamp":1790811002033,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":1.2986032248948887,"impliedVol":0.3832,"impliedVolPercentile":0.648},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"BIIB\",,,,,undefined,":{"symbol":"BIIB","floatShares":147314660,"roa":"5.21%","roe":"4.58%","lyrEps":8.79,"volumeRatio":1.2986032248948887,"shares":147637117,"dividePrice":0,"high":229.36,"amplitude":0.016977,"preClose":227.07,"low":225.505,"week52Low":138,"pbRate":"1.77","psRate":"3.33","week52High":230.49,"institutionHeld":0.9203,"latestPrice":225.88,"committee":0.538462,"eps":5.63,"divideRate":0,"volume":1553331,"delay":0,"ttmEps":5.63,"open":227.23,"prevYearClose":175.99,"prevWeekClose":227.6,"prevMonthClose":225.88,"prevQuarterClose":225.88,"fiveDayClose":227.53,"twentyDayClose":216.04,"sixtyDayClose":205.7,"earningDate":1793116800000,"earningTime":"盘前","dividendPayoutRate":0,"dividendGrowthYears":0,"fiveYearAvgDividendRate":0},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/BIIB\",params:#limit:5,,,undefined,":[{"date":"2026-10-28","symbol":"BIIB","type":"earning","reportTimeType":"pre","market":"US","fiscalQuarterEnding":"2026/09","expectedEps":2.1,"defaultRemindTime":1793174400000,"name":null,"time":"Pre-MKt","dateTimestamp":1793160000000,"actualEps":null},{"market":"US","date":"2026-07-29","symbol":"BIIB","fiscalQuarterEnding":"2026/06","expectedEps":3.04,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1785297600000,"reportTimeType":"pre","actualEps":3.6},{"market":"US","date":"2026-04-29","symbol":"BIIB","fiscalQuarterEnding":"2026/03","expectedEps":2.95,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1777435200000,"reportTimeType":"pre","actualEps":3.57},{"market":"US","date":"2026-02-06","symbol":"BIIB","fiscalQuarterEnding":"2025/12","expectedEps":1.6,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1770354000000,"reportTimeType":"pre","actualEps":3.44},{"market":"US","date":"2025-10-30","symbol":"BIIB","fiscalQuarterEnding":"2025/09","expectedEps":3.89,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1761796800000,"reportTimeType":"pre","actualEps":4.81}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"BIIB\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"BIIB\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.2162,"buy":0.4324,"hold":0.3243,"sell":0.027,"strongSell":0,"meanLabel":"BUY","meanPercent":0.4324,"analysts":37,"updateTime":1789617600000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/BIIB\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"BIIB","date":"2026-09-29","current":40.120782,"percent":1,"low":10.167866,"twenty":13.547225,"median":16.606041,"eighty":23.975096,"high":40.486295,"avg":18.892176,"sd":6.175338,"marketCap":33789861802},"quantilePoints":[{"date":"2021-10-01","current":22.061705,"twenty":8.497203,"median":15.570047,"eighty":20.406509,"marketCap":42316555805},{"date":"2021-10-08","current":22.208555,"twenty":8.497203,"median":15.570047,"eighty":20.49184,"marketCap":42598229012},{"date":"2021-10-15","current":21.848034,"twenty":8.497203,"median":15.570047,"eighty":20.56935,"marketCap":41906713837},{"date":"2021-10-22","current":25.163145,"twenty":8.497203,"median":15.570047,"eighty":20.652077,"marketCap":38897190137},{"date":"2021-10-29","current":25.341796,"twenty":8.497203,"median":15.570047,"eighty":20.775909,"marketCap":39173348436},{"date":"2021-11-05","current":26.48212,"twenty":8.497203,"median":15.570047,"eighty":20.846596,"marketCap":40936060980},{"date":"2021-11-12","current":25.698147,"twenty":8.497203,"median":15.570047,"eighty":20.923635,"marketCap":39724196106},{"date":"2021-11-19","current":24.43999,"twenty":8.497203,"median":15.570047,"eighty":20.97455,"marketCap":37779336599},{"date":"2021-11-26","current":23.082054,"twenty":8.497203,"median":15.570047,"eighty":21.028174,"marketCap":35680239744},{"date":"2021-12-03","current":21.278442,"twenty":8.497203,"median":15.570047,"eighty":21.079902,"marketCap":32892216071},{"date":"2021-12-10","current":22.105177,"twenty":8.497203,"median":15.570047,"eighty":21.201871,"marketCap":34170182665},{"date":"2021-12-17","current":22.562257,"twenty":8.497203,"median":15.570047,"eighty":21.294992,"marketCap":34876736610},{"date":"2021-12-23","current":22.370302,"twenty":8.497203,"median":15.570047,"eighty":21.362909,"marketCap":34580013331},{"date":"2021-12-31","current":22.798874,"twenty":8.497203,"median":15.570047,"eighty":21.502724,"marketCap":35242499463},{"date":"2022-01-07","current":22.103276,"twenty":8.500791,"median":15.57263,"eighty":21.634937,"marketCap":34167244811},{"date":"2022-01-14","current":22.739957,"twenty":8.500791,"median":15.57263,"eighty":21.738204,"marketCap":35151425981},{"date":"2022-01-21","current":20.955351,"twenty":8.500791,"median":15.57263,"eighty":21.764755,"marketCap":32392780850},{"date":"2022-01-28","current":21.401027,"twenty":8.500791,"median":15.57263,"eighty":21.764755,"marketCap":33081707669},{"date":"2022-02-04","current":20.921964,"twenty":8.500791,"median":15.57263,"eighty":21.790769,"marketCap":32556667533},{"date":"2022-02-11","current":20.266529,"twenty":8.500791,"median":15.57263,"eighty":21.790769,"marketCap":31536745749},{"date":"2022-02-18","current":19.813202,"twenty":8.500791,"median":15.57263,"eighty":21.790769,"marketCap":30831324343},{"date":"2022-02-25","current":19.585595,"twenty":8.500791,"median":15.57263,"eighty":21.790769,"marketCap":30477144012},{"date":"2022-03-04","current":19.781092,"twenty":8.500791,"median":15.57263,"eighty":21.790769,"marketCap":30781356993},{"date":"2022-03-11","current":18.668553,"twenty":8.500791,"median":15.57263,"eighty":21.790769,"marketCap":29050135292},{"date":"2022-03-18","current":19.697982,"twenty":8.500791,"median":15.57263,"eighty":21.790769,"marketCap":30652029736},{"date":"2022-03-25","current":19.924645,"twenty":8.500791,"median":15.57263,"eighty":21.790769,"marketCap":31004740439},{"date":"2022-04-01","current":19.894423,"twenty":8.500791,"median":15.57263,"eighty":21.790769,"marketCap":30957712345},{"date":"2022-04-08","current":20.28164,"twenty":8.500791,"median":15.57263,"eighty":21.790769,"marketCap":31560259796},{"date":"2022-04-14","current":20.073865,"twenty":8.500791,"median":15.57263,"eighty":21.790769,"marketCap":31236941652},{"date":"2022-04-22","current":19.832091,"twenty":8.500791,"median":15.57263,"eighty":21.790769,"marketCap":30860716902},{"date":"2022-04-29","current":19.616341,"twenty":8.500791,"median":15.575787,"eighty":21.790769,"marketCap":30524988504},{"date":"2022-05-06","current":19.558925,"twenty":8.500791,"median":15.608505,"eighty":21.790769,"marketCap":28354574236},{"date":"2022-05-13","current":20.114548,"twenty":8.500791,"median":15.692187,"eighty":21.790769,"marketCap":29160060308},{"date":"2022-05-20","current":20.1691,"twenty":8.500791,"median":15.775496,"eighty":21.790769,"marketCap":29239144395},{"date":"2022-05-27","current":20.830796,"twenty":8.500791,"median":15.860843,"eighty":21.790769,"marketCap":30198405080},{"date":"2022-06-03","current":20.267092,"twenty":8.500791,"median":15.945572,"eighty":21.790769,"marketCap":29381202848},{"date":"2022-06-10","current":19.951902,"twenty":8.500791,"median":15.991048,"eighty":21.790769,"marketCap":28924272567},{"date":"2022-06-17","current":20.380237,"twenty":8.500791,"median":16.09785,"eighty":21.790769,"marketCap":29545229102},{"date":"2022-06-24","current":21.409654,"twenty":8.497203,"median":16.123616,"eighty":21.791778,"marketCap":31037575115},{"date":"2022-07-01","current":21.278325,"twenty":8.497203,"median":16.204744,"eighty":21.791778,"marketCap":30847187498},{"date":"2022-07-08","current":22.103677,"twenty":8.497203,"median":16.239917,"eighty":21.812733,"marketCap":32043700444},{"date":"2022-07-15","current":21.922847,"twenty":8.497203,"median":16.404704,"eighty":21.82315,"marketCap":31781551341},{"date":"2022-07-22","current":14.53456,"twenty":8.497203,"median":16.750724,"eighty":21.836233,"marketCap":29929565943},{"date":"2022-07-29","current":15.155406,"twenty":8.497203,"median":16.750724,"eighty":21.836233,"marketCap":31208011887},{"date":"2022-08-05","current":15.376684,"twenty":8.497203,"median":16.750724,"eighty":21.836233,"marketCap":31663666855},{"date":"2022-08-12","current":15.573297,"twenty":8.497203,"median":16.750724,"eighty":21.836233,"marketCap":32068532256},{"date":"2022-08-19","current":15.087049,"twenty":8.497203,"median":16.750724,"eighty":21.836233,"marketCap":31067252232},{"date":"2022-08-26","current":13.994755,"twenty":8.497203,"median":16.750724,"eighty":21.836233,"marketCap":28818000003},{"date":"2022-09-02","current":13.814351,"twenty":8.497203,"median":16.227739,"eighty":21.836233,"marketCap":28446510603},{"date":"2022-09-09","current":14.928491,"twenty":8.497203,"median":15.671251,"eighty":21.836233,"marketCap":30740747876},{"date":"2022-09-16","current":14.676206,"twenty":8.497203,"median":15.376684,"eighty":21.836233,"marketCap":30221243168},{"date":"2022-09-23","current":13.937674,"twenty":8.497203,"median":15.31326,"eighty":21.836233,"marketCap":28700458435},{"date":"2022-09-30","current":18.815649,"twenty":8.497203,"median":15.210215,"eighty":21.836233,"marketCap":38745183549},{"date":"2022-10-07","current":18.173661,"twenty":8.497203,"median":15.210215,"eighty":21.836233,"marketCap":37423203690},{"date":"2022-10-14","current":18.648633,"twenty":8.497203,"median":15.210215,"eighty":21.836233,"marketCap":38401265627},{"date":"2022-10-21","current":18.858988,"twenty":8.497203,"median":15.210215,"eighty":21.836233,"marketCap":38834428072},{"date":"2022-10-28","current":14.290557,"twenty":8.497203,"median":15.094801,"eighty":21.836233,"marketCap":40938159143},{"date":"2022-11-04","current":14.166396,"twenty":8.497203,"median":15.004599,"eighty":21.836233,"marketCap":40582475675},{"date":"2022-11-11","current":14.549938,"twenty":8.497203,"median":14.858725,"eighty":21.836233,"marketCap":41681206387},{"date":"2022-11-18","current":15.225533,"twenty":8.497203,"median":14.858725,"eighty":21.836233,"marketCap":43616585257},{"date":"2022-11-25","current":15.339138,"twenty":8.497203,"median":14.858725,"eighty":21.836233,"marketCap":43942028430},{"date":"2022-12-02","current":15.024966,"twenty":8.497203,"median":14.794781,"eighty":21.836233,"marketCap":43042019655},{"date":"2022-12-09","current":14.344846,"twenty":8.497203,"median":14.738925,"eighty":21.836233,"marketCap":41093680659},{"date":"2022-12-16","current":14.325242,"twenty":8.497203,"median":14.656474,"eighty":21.836233,"marketCap":41037520111},{"date":"2022-12-23","current":14.032685,"twenty":8.497203,"median":14.636742,"eighty":21.836233,"marketCap":40199431940},{"date":"2022-12-30","current":13.920085,"twenty":8.497203,"median":14.607243,"eighty":21.836233,"marketCap":39876868795},{"date":"2023-01-06","current":14.037209,"twenty":8.497203,"median":14.549938,"eighty":21.836233,"marketCap":40212392067},{"date":"2023-01-13","current":14.47906,"twenty":8.497203,"median":14.529831,"eighty":21.836233,"marketCap":41478164408},{"date":"2023-01-20","current":14.364953,"twenty":8.497203,"median":14.481071,"eighty":21.836233,"marketCap":41151281221},{"date":"2023-01-27","current":14.581606,"twenty":8.497203,"median":14.481071,"eighty":21.812733,"marketCap":41771927272},{"date":"2023-02-03","current":14.257381,"twenty":8.497203,"median":14.452921,"eighty":21.766456,"marketCap":40843118216},{"date":"2023-02-10","current":14.391595,"twenty":8.497203,"median":14.434492,"eighty":21.713568,"marketCap":41227601965},{"date":"2023-02-17","current":13.20093,"twenty":8.497203,"median":14.416076,"eighty":21.633442,"marketCap":40221914133},{"date":"2023-02-24","current":12.804494,"twenty":8.497203,"median":14.383753,"eighty":21.580551,"marketCap":39014014132},{"date":"2023-03-03","current":12.81635,"twenty":8.497203,"median":14.348868,"eighty":21.467685,"marketCap":39050135544},{"date":"2023-03-10","current":12.166214,"twenty":8.497203,"median":14.307145,"eighty":21.413931,"marketCap":37069237337},{"date":"2023-03-17","current":12.47919,"twenty":8.497203,"median":14.275339,"eighty":21.363363,"marketCap":38022842601},{"date":"2023-03-24","current":12.804969,"twenty":8.497203,"median":14.24783,"eighty":21.306875,"marketCap":39015458989},{"date":"2023-03-31","current":13.184333,"twenty":8.500791,"median":14.205292,"eighty":21.276954,"marketCap":40171344157},{"date":"2023-04-06","current":13.466959,"twenty":8.500791,"median":14.152478,"eighty":21.176842,"marketCap":41032478607},{"date":"2023-04-14","current":13.737731,"twenty":8.497203,"median":14.096524,"eighty":21.070262,"marketCap":41857491646},{"date":"2023-04-21","current":13.76476,"twenty":8.497203,"median":14.07932,"eighty":21.005659,"marketCap":41939848464},{"date":"2023-04-28","current":13.578317,"twenty":8.497203,"median":14.037209,"eighty":21.003669,"marketCap":42513709824},{"date":"2023-05-05","current":14.495964,"twenty":8.497203,"median":14.037209,"eighty":21.003669,"marketCap":45386864333},{"date":"2023-05-12","current":14.356816,"twenty":8.497203,"median":14.037209,"eighty":21.003669,"marketCap":44951189806},{"date":"2023-05-19","current":14.120586,"twenty":8.497203,"median":14.037209,"eighty":21.003669,"marketCap":44211556305},{"date":"2023-05-26","current":13.735963,"twenty":8.497203,"median":14.01426,"eighty":21.003669,"marketCap":43007299803},{"date":"2023-06-02","current":13.980051,"twenty":8.497203,"median":13.992973,"eighty":20.997841,"marketCap":43771539506},{"date":"2023-06-09","current":14.279151,"twenty":8.497203,"median":13.96784,"eighty":20.929644,"marketCap":44708022627},{"date":"2023-06-16","current":13.768323,"twenty":8.497203,"median":13.941165,"eighty":20.892332,"marketCap":43108619461},{"date":"2023-06-23","current":13.588955,"twenty":8.493614,"median":13.935626,"eighty":20.867377,"marketCap":42547019073},{"date":"2023-06-30","current":13.042531,"twenty":8.490026,"median":13.890459,"eighty":20.867651,"marketCap":40836164283},{"date":"2023-07-07","current":13.174745,"twenty":8.490026,"median":13.868177,"eighty":20.815502,"marketCap":41250127456},{"date":"2023-07-14","current":12.850219,"twenty":8.490026,"median":13.817874,"eighty":20.73251,"marketCap":40234036032},{"date":"2023-07-21","current":12.699051,"twenty":8.490026,"median":13.806693,"eighty":20.629889,"marketCap":39760728489},{"date":"2023-07-28","current":14.282866,"twenty":8.490026,"median":13.794619,"eighty":20.526137,"marketCap":38058124204},{"date":"2023-08-04","current":14.552446,"twenty":8.490026,"median":13.794619,"eighty":20.460449,"marketCap":38776447946},{"date":"2023-08-11","current":14.623646,"twenty":8.490026,"median":13.794619,"eighty":20.395995,"marketCap":38966166515},{"date":"2023-08-18","current":14.212753,"twenty":8.490026,"median":13.794619,"eighty":20.321644,"marketCap":37871302102},{"date":"2023-08-25","current":14.263299,"twenty":8.490026,"median":13.794619,"eighty":20.266979,"marketCap":38005987804},{"date":"2023-09-01","current":14.531249,"twenty":8.486438,"median":13.786176,"eighty":20.242472,"marketCap":38719966845},{"date":"2023-09-08","current":14.204057,"twenty":8.486438,"median":13.786176,"eighty":20.208919,"marketCap":37848130368},{"date":"2023-09-15","current":13.931216,"twenty":8.486438,"median":13.786176,"eighty":20.198211,"marketCap":37121117227},{"date":"2023-09-22","current":14.073071,"twenty":8.486438,"median":13.776523,"eighty":20.143845,"marketCap":37499106131},{"date":"2023-09-29","current":14.013285,"twenty":8.486438,"median":13.776523,"eighty":20.072921,"marketCap":37339800463},{"date":"2023-10-06","current":14.118726,"twenty":8.486438,"median":13.768434,"eighty":19.9917,"marketCap":37620757732},{"date":"2023-10-13","current":14.185034,"twenty":8.486438,"median":13.768434,"eighty":19.951902,"marketCap":37797442201},{"date":"2023-10-20","current":13.98448,"twenty":8.486438,"median":13.768434,"eighty":19.927657,"marketCap":37263044095},{"date":"2023-10-27","current":13.102908,"twenty":8.47807,"median":13.76476,"eighty":19.922756,"marketCap":34914009601},{"date":"2023-11-03","current":13.145302,"twenty":8.47807,"median":13.737731,"eighty":19.916955,"marketCap":35026971803},{"date":"2023-11-10","current":22.267999,"twenty":8.47807,"median":13.71992,"eighty":19.89329,"marketCap":32551360860},{"date":"2023-11-17","current":22.744781,"twenty":8.47807,"median":13.71992,"eighty":19.905271,"marketCap":33248320779},{"date":"2023-11-24","current":22.991597,"twenty":8.47807,"median":13.71992,"eighty":19.905271,"marketCap":33609117078},{"date":"2023-12-01","current":23.20273,"twenty":8.47807,"median":13.71992,"eighty":19.905271,"marketCap":33917750056},{"date":"2023-12-08","current":23.70231,"twenty":8.48086,"median":13.727942,"eighty":19.915471,"marketCap":34648036541},{"date":"2023-12-14","current":25.331893,"twenty":8.48086,"median":13.727942,"eighty":19.915471,"marketCap":37030161502},{"date":"2023-12-22","current":25.163384,"twenty":8.475281,"median":13.713268,"eighty":19.929934,"marketCap":36783834712},{"date":"2023-12-29","current":25.829491,"twenty":8.470794,"median":13.704438,"eighty":19.950281,"marketCap":37757550024},{"date":"2024-01-05","current":25.799754,"twenty":8.469944,"median":13.703558,"eighty":19.987922,"marketCap":37714080591},{"date":"2024-01-12","current":24.504216,"twenty":8.469944,"median":13.703558,"eighty":19.987922,"marketCap":35820262267},{"date":"2024-01-19","current":24.480426,"twenty":8.469095,"median":13.702678,"eighty":19.980718,"marketCap":35785486720},{"date":"2024-01-26","current":24.405092,"twenty":8.469944,"median":13.703558,"eighty":19.987922,"marketCap":35675364155},{"date":"2024-02-02","current":24.565672,"twenty":8.469944,"median":13.703558,"eighty":20.065327,"marketCap":35910099096},{"date":"2024-02-09","current":23.819275,"twenty":8.469944,"median":13.703558,"eighty":20.158998,"marketCap":34819016313},{"date":"2024-02-16","current":27.961704,"twenty":8.469944,"median":13.703558,"eighty":20.245941,"marketCap":32466334233},{"date":"2024-02-23","current":27.852786,"twenty":8.469944,"median":13.703558,"eighty":20.275821,"marketCap":32339870339},{"date":"2024-03-01","current":27.165481,"twenty":8.470794,"median":13.704438,"eighty":20.331364,"marketCap":31541839558},{"date":"2024-03-08","current":27.462186,"twenty":8.470794,"median":13.704438,"eighty":20.459236,"marketCap":31886344649},{"date":"2024-03-15","current":27.494736,"twenty":8.470794,"median":13.71992,"eighty":20.628123,"marketCap":31924138456},{"date":"2024-03-22","current":27.636204,"twenty":8.470794,"median":13.735963,"eighty":20.786154,"marketCap":32088396158},{"date":"2024-03-28","current":27.084106,"twenty":8.470794,"median":13.752143,"eighty":20.831794,"marketCap":31447355039},{"date":"2024-04-05","current":25.701982,"twenty":8.469944,"median":13.77193,"eighty":20.907169,"marketCap":29842571829},{"date":"2024-04-12","current":25.499171,"twenty":8.469944,"median":13.808789,"eighty":21.038884,"marketCap":29607087336},{"date":"2024-04-19","current":23.85164,"twenty":8.469944,"median":13.85217,"eighty":21.289275,"marketCap":27694139234},{"date":"2024-04-26","current":25.267913,"twenty":8.470794,"median":13.868177,"eighty":21.404478,"marketCap":29477547361},{"date":"2024-05-03","current":26.647002,"twenty":8.470794,"median":13.908932,"eighty":21.47563,"marketCap":31086393051},{"date":"2024-05-10","current":27.800196,"twenty":8.470794,"median":13.937674,"eighty":21.648875,"marketCap":32431708361},{"date":"2024-05-17","current":28.71002,"twenty":8.470794,"median":13.950238,"eighty":21.782935,"marketCap":33493109725},{"date":"2024-05-24","current":27.214863,"twenty":8.470794,"median":13.980051,"eighty":21.877959,"marketCap":31748858923},{"date":"2024-05-31","current":27.46572,"twenty":8.470794,"median":13.994755,"eighty":22.000262,"marketCap":32041508682},{"date":"2024-06-07","current":28.953389,"twenty":8.470794,"median":14.01426,"eighty":22.073132,"marketCap":33777023671},{"date":"2024-06-14","current":29.184277,"twenty":8.469944,"median":14.041825,"eighty":22.114991,"marketCap":34046377926},{"date":"2024-06-21","current":28.153392,"twenty":8.469095,"median":14.072528,"eighty":22.189441,"marketCap":32843747574},{"date":"2024-06-28","current":28.545278,"twenty":8.464282,"median":14.07812,"eighty":22.231423,"marketCap":33300921824},{"date":"2024-07-05","current":28.032332,"twenty":8.464282,"median":14.08367,"eighty":22.274713,"marketCap":32702518585},{"date":"2024-07-12","current":29.553699,"twenty":8.464282,"median":14.11215,"eighty":22.314226,"marketCap":34477344736},{"date":"2024-07-15","current":28.712516,"twenty":8.464282,"median":14.119656,"eighty":22.340794,"marketCap":33496021663},{"date":"2024-08-02","current":26.48965,"twenty":8.513869,"median":14.166396,"eighty":22.380755,"marketCap":30690907969},{"date":"2024-08-09","current":25.656112,"twenty":8.592131,"median":14.204057,"eighty":22.479723,"marketCap":29725171282},{"date":"2024-08-16","current":25.34935,"twenty":8.71649,"median":14.24783,"eighty":22.562257,"marketCap":29369756876},{"date":"2024-08-23","current":25.56182,"twenty":8.771928,"median":14.263299,"eighty":22.739957,"marketCap":29615925051},{"date":"2024-08-30","current":25.750404,"twenty":8.883073,"median":14.292141,"eighty":22.781193,"marketCap":29834417514},{"date":"2024-09-06","current":25.370723,"twenty":9.022005,"median":14.304126,"eighty":22.950917,"marketCap":29394519355},{"date":"2024-09-13","current":24.879149,"twenty":9.165962,"median":14.325242,"eighty":22.991597,"marketCap":28824982335},{"date":"2024-09-20","current":25.325463,"twenty":9.324413,"median":14.348868,"eighty":23.181914,"marketCap":29342081164},{"date":"2024-09-27","current":24.339801,"twenty":9.391209,"median":14.369659,"eighty":23.258238,"marketCap":28200093891},{"date":"2024-10-04","current":23.230932,"twenty":9.429088,"median":14.383753,"eighty":23.324305,"marketCap":26915358208},{"date":"2024-10-11","current":23.709934,"twenty":9.504668,"median":14.406786,"eighty":23.460277,"marketCap":27470329064},{"date":"2024-10-18","current":23.830627,"twenty":9.553828,"median":14.419745,"eighty":23.728792,"marketCap":27610164241},{"date":"2024-10-25","current":23.115268,"twenty":9.604326,"median":14.473094,"eighty":23.76148,"marketCap":26781349498},{"date":"2024-10-31","current":16.34561,"twenty":9.604326,"median":14.485595,"eighty":23.76148,"marketCap":26401430021},{"date":"2024-11-08","current":15.690631,"twenty":9.628672,"median":14.521195,"eighty":23.763004,"marketCap":25343507612},{"date":"2024-11-15","current":14.875967,"twenty":9.644632,"median":14.532646,"eighty":23.763004,"marketCap":24027661972},{"date":"2024-11-22","current":14.255271,"twenty":9.699532,"median":14.532646,"eighty":23.763004,"marketCap":23025112913},{"date":"2024-11-29","current":14.49164,"twenty":9.699532,"median":14.532646,"eighty":23.763004,"marketCap":23406897584},{"date":"2024-12-06","current":14.368042,"twenty":9.707445,"median":14.533753,"eighty":23.763004,"marketCap":23207262088},{"date":"2024-12-13","current":14.013488,"twenty":9.707445,"median":14.533753,"eighty":23.763004,"marketCap":22634585082},{"date":"2024-12-20","current":13.29716,"twenty":9.707445,"median":14.533753,"eighty":23.763004,"marketCap":21477573522},{"date":"2024-12-27","current":13.523606,"twenty":9.707445,"median":14.533753,"eighty":23.763004,"marketCap":21843329066},{"date":"2025-01-03","current":13.532628,"twenty":9.707445,"median":14.533753,"eighty":23.763004,"marketCap":21857901000},{"date":"2025-01-10","current":13.600291,"twenty":9.764574,"median":14.53456,"eighty":23.764528,"marketCap":21967190505},{"date":"2025-01-17","current":12.74142,"twenty":9.816223,"median":14.53456,"eighty":23.764528,"marketCap":20579942388},{"date":"2025-01-24","current":12.961551,"twenty":9.886141,"median":14.53456,"eighty":23.764528,"marketCap":20935497577},{"date":"2025-01-31","current":13.192508,"twenty":9.95619,"median":14.53456,"eighty":23.764528,"marketCap":21308539088},{"date":"2025-02-07","current":12.844268,"twenty":9.977934,"median":14.53456,"eighty":23.764528,"marketCap":20746062435},{"date":"2025-02-14","current":12.416132,"twenty":10.002015,"median":14.53456,"eighty":23.764528,"marketCap":20265610027},{"date":"2025-02-21","current":12.293271,"twenty":10.031403,"median":14.53456,"eighty":23.764528,"marketCap":20065076363},{"date":"2025-02-28","current":12.544373,"twenty":10.117917,"median":14.53456,"eighty":23.764528,"marketCap":20474926187},{"date":"2025-03-07","current":13.216073,"twenty":10.153098,"median":14.534807,"eighty":23.766052,"marketCap":21571274465},{"date":"2025-03-14","current":12.553341,"twenty":10.179175,"median":14.534807,"eighty":23.766052,"marketCap":20489563681},{"date":"2025-03-21","current":12.678893,"twenty":10.263071,"median":14.534807,"eighty":23.766052,"marketCap":20694488593},{"date":"2025-03-28","current":12.584729,"twenty":10.356971,"median":14.534807,"eighty":23.766052,"marketCap":20540794909},{"date":"2025-04-04","current":11.722012,"twenty":10.485219,"median":14.534807,"eighty":23.766052,"marketCap":19132668015},{"date":"2025-04-11","current":10.167866,"twenty":10.511569,"median":14.53456,"eighty":23.764528,"marketCap":16595990357},{"date":"2025-04-17","current":10.339154,"twenty":10.525201,"median":14.53456,"eighty":23.764528,"marketCap":16875566486},{"date":"2025-04-25","current":10.717601,"twenty":10.591105,"median":14.534807,"eighty":23.766052,"marketCap":17493268720},{"date":"2025-05-02","current":11.978375,"twenty":10.630526,"median":14.534807,"eighty":23.766052,"marketCap":17719610723},{"date":"2025-05-09","current":11.726783,"twenty":10.67025,"median":14.534807,"eighty":23.766052,"marketCap":17347430030},{"date":"2025-05-16","current":12.25275,"twenty":10.766755,"median":14.534807,"eighty":23.766052,"marketCap":18125492818},{"date":"2025-05-23","current":12.510285,"twenty":10.926554,"median":14.534807,"eighty":23.766052,"marketCap":18506465181},{"date":"2025-05-30","current":13.149172,"twenty":11.711799,"median":14.534807,"eighty":23.766052,"marketCap":19451569698},{"date":"2025-06-06","current":12.912437,"twenty":11.91657,"median":14.534807,"eighty":23.766052,"marketCap":19101368179},{"date":"2025-06-13","current":13.105589,"twenty":12.213922,"median":14.534807,"eighty":23.766052,"marketCap":19387097451},{"date":"2025-06-20","current":12.534058,"twenty":12.262814,"median":14.535054,"eighty":23.767576,"marketCap":18541631861},{"date":"2025-06-27","current":12.571698,"twenty":12.329218,"median":14.535054,"eighty":23.767576,"marketCap":18597312437},{"date":"2025-07-03","current":13.161058,"twenty":12.420897,"median":14.535054,"eighty":23.767576,"marketCap":19469153037},{"date":"2025-07-11","current":13.404726,"twenty":12.46391,"median":14.535054,"eighty":23.767576,"marketCap":19829611504},{"date":"2025-07-18","current":12.74702,"twenty":12.505988,"median":14.535054,"eighty":23.767576,"marketCap":18856666700},{"date":"2025-07-25","current":13.133323,"twenty":12.534454,"median":14.535054,"eighty":23.767576,"marketCap":19428125244},{"date":"2025-08-01","current":12.261789,"twenty":12.554823,"median":14.535054,"eighty":23.767576,"marketCap":18766668544},{"date":"2025-08-08","current":12.237841,"twenty":12.571793,"median":14.535054,"eighty":23.767576,"marketCap":18730014894},{"date":"2025-08-15","current":12.926608,"twenty":12.574688,"median":14.535054,"eighty":23.767576,"marketCap":19784173854},{"date":"2025-08-22","current":13.327032,"twenty":12.599257,"median":14.535054,"eighty":23.767576,"marketCap":20397022873},{"date":"2025-08-29","current":12.707237,"twenty":12.629742,"median":14.535054,"eighty":23.767576,"marketCap":19448426424},{"date":"2025-09-05","current":13.405584,"twenty":12.664129,"median":14.542496,"eighty":23.7691,"marketCap":20517246844},{"date":"2025-09-12","current":14.258162,"twenty":12.679129,"median":14.535054,"eighty":23.767576,"marketCap":21822116766},{"date":"2025-09-19","current":13.776312,"twenty":12.704997,"median":14.535054,"eighty":23.767576,"marketCap":21084645338},{"date":"2025-09-26","current":12.996539,"twenty":12.719227,"median":14.535054,"eighty":23.767576,"marketCap":19891202510},{"date":"2025-10-03","current":14.872209,"twenty":12.744689,"median":14.552446,"eighty":23.767576,"marketCap":22761916339},{"date":"2025-10-10","current":14.331924,"twenty":12.768217,"median":14.566034,"eighty":23.767576,"marketCap":21935010006},{"date":"2025-10-17","current":13.627829,"twenty":12.800753,"median":14.566034,"eighty":23.767576,"marketCap":20857392711},{"date":"2025-10-24","current":14.376948,"twenty":12.815401,"median":14.566034,"eighty":23.767576,"marketCap":22003918867},{"date":"2025-10-31","current":13.64509,"twenty":12.835544,"median":14.566034,"eighty":23.767576,"marketCap":21948126913},{"date":"2025-11-07","current":14.295377,"twenty":12.856703,"median":14.566034,"eighty":23.767576,"marketCap":22994114113},{"date":"2025-11-14","current":15.0241,"twenty":12.876589,"median":14.580992,"eighty":23.767576,"marketCap":24166265266},{"date":"2025-11-21","current":15.338755,"twenty":12.892701,"median":14.616037,"eighty":23.767576,"marketCap":24672388104},{"date":"2025-11-28","current":16.606041,"twenty":12.898117,"median":14.627581,"eighty":23.767576,"marketCap":26710816174},{"date":"2025-12-05","current":16.597376,"twenty":12.924896,"median":14.649467,"eighty":23.767576,"marketCap":26696879458},{"date":"2025-12-12","current":15.732758,"twenty":12.948031,"median":14.673093,"eighty":23.767576,"marketCap":25306141920},{"date":"2025-12-19","current":15.496539,"twenty":12.985946,"median":14.68566,"eighty":23.767576,"marketCap":24926183035},{"date":"2025-12-26","current":16.082071,"twenty":13.017105,"median":14.703532,"eighty":23.767576,"marketCap":25868011621},{"date":"2026-01-02","current":16.051062,"twenty":13.027533,"median":14.741587,"eighty":23.767576,"marketCap":25818132849},{"date":"2026-01-09","current":16.964018,"twenty":13.056182,"median":14.759523,"eighty":23.767576,"marketCap":27286622592},{"date":"2026-01-16","current":15.374325,"twenty":13.098281,"median":14.872209,"eighty":23.767576,"marketCap":24729601991},{"date":"2026-01-23","current":15.851324,"twenty":13.128961,"median":14.928491,"eighty":23.767576,"marketCap":25496854873},{"date":"2026-01-30","current":16.068391,"twenty":13.14966,"median":15.01954,"eighty":23.767576,"marketCap":25846006280},{"date":"2026-02-06","current":16.905647,"twenty":13.163795,"median":15.052519,"eighty":23.767576,"marketCap":27192733137},{"date":"2026-02-13","current":22.191424,"twenty":13.184432,"median":15.087049,"eighty":23.767576,"marketCap":28691292224},{"date":"2026-02-20","current":21.803216,"twenty":13.190343,"median":15.173255,"eighty":23.767576,"marketCap":28189378058},{"date":"2026-02-27","current":21.342361,"twenty":13.214543,"median":15.253683,"eighty":23.767576,"marketCap":27593538434},{"date":"2026-03-06","current":21.349172,"twenty":13.264979,"median":15.331582,"eighty":23.767576,"marketCap":27602343946},{"date":"2026-03-13","current":20.988206,"twenty":13.298153,"median":15.340143,"eighty":23.767576,"marketCap":27135651827},{"date":"2026-03-20","current":20.819075,"twenty":13.330672,"median":15.418058,"eighty":23.767576,"marketCap":26916981620},{"date":"2026-03-27","current":21.687435,"twenty":13.366014,"median":15.573297,"eighty":23.767576,"marketCap":28039684359},{"date":"2026-04-02","current":20.861074,"twenty":13.379712,"median":15.649762,"eighty":23.767576,"marketCap":26971282275},{"date":"2026-04-10","current":20.103955,"twenty":13.419312,"median":15.696277,"eighty":23.767576,"marketCap":25992402894},{"date":"2026-04-17","current":19.980227,"twenty":13.445919,"median":15.851324,"eighty":23.767576,"marketCap":25832436098},{"date":"2026-04-24","current":21.326469,"twenty":13.474749,"median":15.942529,"eighty":23.767576,"marketCap":27572992240},{"date":"2026-05-01","current":20.369381,"twenty":13.517204,"median":16.037381,"eighty":23.767576,"marketCap":27944753505},{"date":"2026-05-08","current":20.595372,"twenty":13.517204,"median":16.088456,"eighty":23.767576,"marketCap":28254791451},{"date":"2026-05-15","current":20.594296,"twenty":13.517204,"median":16.144756,"eighty":23.767576,"marketCap":28253315080},{"date":"2026-05-22","current":20.389828,"twenty":13.517204,"median":16.217966,"eighty":23.767576,"marketCap":27972804557},{"date":"2026-05-29","current":21.134524,"twenty":13.535335,"median":16.375157,"eighty":23.7691,"marketCap":28994453407},{"date":"2026-06-05","current":21.140981,"twenty":13.549047,"median":16.485195,"eighty":23.767576,"marketCap":29003311634},{"date":"2026-06-12","current":21.51871,"twenty":13.549047,"median":16.485195,"eighty":23.767576,"marketCap":29521517915},{"date":"2026-06-18","current":21.379886,"twenty":13.549047,"median":16.485195,"eighty":23.767576,"marketCap":29331066034},{"date":"2026-06-26","current":21.73394,"twenty":13.548867,"median":16.471058,"eighty":23.7691,"marketCap":29816792149},{"date":"2026-07-02","current":22.571185,"twenty":13.548867,"median":16.471058,"eighty":23.7691,"marketCap":30965408919},{"date":"2026-07-10","current":21.405714,"twenty":13.548867,"median":16.471058,"eighty":23.7691,"marketCap":29366498942},{"date":"2026-07-17","current":22.482941,"twenty":13.548867,"median":16.565455,"eighty":23.7691,"marketCap":30844346483},{"date":"2026-07-24","current":21.589736,"twenty":13.548867,"median":16.606725,"eighty":23.728792,"marketCap":29618958412},{"date":"2026-07-31","current":36.811034,"twenty":13.547225,"median":16.606041,"eighty":23.703835,"marketCap":30722488804},{"date":"2026-08-07","current":36.518925,"twenty":13.547225,"median":16.606041,"eighty":23.703835,"marketCap":30478694707},{"date":"2026-08-14","current":37.292571,"twenty":13.547225,"median":16.606041,"eighty":23.703835,"marketCap":31124379678},{"date":"2026-08-21","current":37.947603,"twenty":13.547225,"median":16.606041,"eighty":23.703835,"marketCap":31671069471},{"date":"2026-08-28","current":39.213408,"twenty":13.547225,"median":16.606041,"eighty":23.703835,"marketCap":32727510557},{"date":"2026-09-04","current":39.746286,"twenty":13.547225,"median":16.606041,"eighty":23.703835,"marketCap":33172250090},{"date":"2026-09-11","current":38.138802,"twenty":13.547225,"median":16.606041,"eighty":23.721087,"marketCap":31830643789},{"date":"2026-09-18","current":38.779671,"twenty":13.547225,"median":16.606041,"eighty":23.821545,"marketCap":32365513261},{"date":"2026-09-25","current":40.073802,"twenty":13.547225,"median":16.606041,"eighty":23.919205,"marketCap":33445594987},{"date":"2026-09-29","current":40.486295,"twenty":13.547225,"median":16.606041,"eighty":23.975096,"marketCap":33789861802}],"updateTime":1790810035913},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"BIIB\",pageSize:20,pageCount:7,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"13766869","market":"us","labels":[],"media":"sec.gov","original_id":"AN87504521000044-BIIB","pdf_url":"","pub_time":1626883200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"BIIB","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/0000875045-21-000044-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630.htm","primary":true,"translateUrl":"","linkName":"biib-20210630.htm","type":"10-Q","id":"NTFILEGcYYa1Soi2Ys7Aqe","market":"us","size":3457593},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/exhibit101amendedmanagemen.htm","primary":false,"translateUrl":"","linkName":"exhibit101amendedmanagemen.htm","type":"EX-10.1","id":"NTFILE6F1i8qSFiFuPuD88","market":"us","size":33557},{"description":"EX-31.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-2021630xex311.htm","primary":false,"translateUrl":"","linkName":"biib-2021630xex311.htm","type":"EX-31.1","id":"NTFILE59N2YsQN262bYxs7","market":"us","size":11025},{"description":"EX-31.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-2021630xex312.htm","primary":false,"translateUrl":"","linkName":"biib-2021630xex312.htm","type":"EX-31.2","id":"NTFILE8t1ttgyeGykqvF57","market":"us","size":10632},{"description":"EX-32.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-2021630xex321.htm","primary":false,"translateUrl":"","linkName":"biib-2021630xex321.htm","type":"EX-32.1","id":"NTFILEEWc97HrbqrzDFTMg","market":"us","size":8583},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g1.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g1.jpg","type":"GRAPHIC","id":"NTFILEAs5Vb3eYMkKig1Xs","market":"us","size":62626},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g10.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g10.jpg","type":"GRAPHIC","id":"NTFILE3mUuxrVmVs9x9byR","market":"us","size":62179},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g11.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g11.jpg","type":"GRAPHIC","id":"NTFILE9R1EUx5iPWoWTGvg","market":"us","size":81842},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g12.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g12.jpg","type":"GRAPHIC","id":"NTFILEJ391YyeAJcyJhxzs","market":"us","size":141657},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g13.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g13.jpg","type":"GRAPHIC","id":"NTFILE4bWoeABehugV6wiD","market":"us","size":46808},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g14.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g14.jpg","type":"GRAPHIC","id":"NTFILEGau3GHWVPHyMGgMi","market":"us","size":45246},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g15.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g15.jpg","type":"GRAPHIC","id":"NTFILENxYrLZ2AAf1SA9Zk","market":"us","size":43477},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g16.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g16.jpg","type":"GRAPHIC","id":"NTFILEFVP4FKc95Xpt2Ys1","market":"us","size":45570},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g17.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g17.jpg","type":"GRAPHIC","id":"NTFILE9fpUyWEgjgrp1QXe","market":"us","size":42412},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g18.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g18.jpg","type":"GRAPHIC","id":"NTFILE5uHzNP5agpt1Wk2y","market":"us","size":44094},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g19.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g19.jpg","type":"GRAPHIC","id":"NTFILE3ipvLbQgWkzUwb8b","market":"us","size":74994},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g2.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g2.jpg","type":"GRAPHIC","id":"NTFILEGUqtaZPdGHR6Makt","market":"us","size":72318},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g20.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g20.jpg","type":"GRAPHIC","id":"NTFILE9fqjsHEBWvsth9b2","market":"us","size":42110},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g21.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g21.jpg","type":"GRAPHIC","id":"NTFILE4DKRTiqAC5C8uBps","market":"us","size":42117},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g3.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g3.jpg","type":"GRAPHIC","id":"NTFILEDEp2ZNeaFH9nQw1L","market":"us","size":67656},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g4.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g4.jpg","type":"GRAPHIC","id":"NTFILEoYwRqBLfhkP4UoX2","market":"us","size":68701},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g5.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g5.jpg","type":"GRAPHIC","id":"NTFILEA53B11RKvwsKYxX7","market":"us","size":68622},{"description":"","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g6.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g6.jpg","type":"GRAPHIC","id":"NTFILE9XDdoGcxjnYcoFXQ","market":"us","size":73690},{"description":"","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g7.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g7.jpg","type":"GRAPHIC","id":"NTFILEDGudHdcVMU3n8kKL","market":"us","size":89517},{"description":"","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g8.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g8.jpg","type":"GRAPHIC","id":"NTFILE91s9vAYpJZ77E3Pi","market":"us","size":65384},{"description":"","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/biib-20210630_g9.jpg","primary":false,"translateUrl":"","linkName":"biib-20210630_g9.jpg","type":"GRAPHIC","id":"NTFILEAsJGcCXstXqKgW7m","market":"us","size":79952}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2021-07-22 00:00","pubTimestamp":1626883200,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13766890","market":"us","labels":[],"media":"sec.gov","original_id":"AN87504521000038-BIIB","pdf_url":"","pub_time":1624204800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"CORRESP [Cover] - Correspondence","symbol":"BIIB","title":"CORRESP [Cover] - Correspondence","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000038/0000875045-21-000038-index.htm","us_notice_code":"Form CORRESP","us_title_en":"CORRESP [Cover] - Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000038/filename1.htm","primary":true,"translateUrl":"","linkName":"filename1.htm","type":"CORRESP","id":"NTFILECVsEv9fJL5S9xsVk","market":"us","size":10865}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2021-06-21 00:00","pubTimestamp":1624204800,"title_zh":"CORRESP [Cover] - Correspondence","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13766894","market":"us","labels":[],"media":"sec.gov","original_id":"AN87504521000035-BIIB","pdf_url":"","pub_time":1623168000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"CORRESP [Cover] - Correspondence","symbol":"BIIB","title":"CORRESP [Cover] - Correspondence","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000035/0000875045-21-000035-index.htm","us_notice_code":"Form CORRESP","us_title_en":"CORRESP [Cover] - Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000035/filename1.htm","primary":true,"translateUrl":"","linkName":"filename1.htm","type":"CORRESP","id":"NTFILEA5PxySkZ7L8jphBp","market":"us","size":21867}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2021-06-09 00:00","pubTimestamp":1623168000,"title_zh":"CORRESP [Cover] - Correspondence","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12872308","market":"us","labels":[],"media":"sec.gov","original_id":"AN87504521000032-BIIB","pdf_url":null,"pub_time":1623081600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"BIIB","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000032/0000875045-21-000032-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-3.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000032/formxex31xcertificateofame.htm","primary":true,"translateUrl":null,"linkName":"formxex31xcertificateofame.htm","type":"EX-3.1","id":"NTFILEHnPDfwDkv4PDc73n","market":"us","size":9448},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000032/biib-20210602.htm","primary":false,"translateUrl":null,"linkName":"biib-20210602.htm","type":"8-K","id":"NTFILE3vEk7nE9QLi983iQ","market":"us","size":85361}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-06-08 00:00","pubTimestamp":1623081600,"title_zh":"8-K  - Current report","summary_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12519207","market":"us","labels":[],"media":"sec.gov","original_id":"AN87504521000028-BIIB","pdf_url":null,"pub_time":1619020800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"BIIB","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/0000875045-21-000028-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331.htm","primary":true,"translateUrl":null,"linkName":"biib-20210331.htm","type":"10-Q","id":"NTFILEAQCRr9CZMKN14GaH","market":"us","size":2483015},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-2021331xex101.htm","primary":false,"translateUrl":null,"linkName":"biib-2021331xex101.htm","type":"EX-10.1","id":"NTFILE6HxyUE2bTVyH2Wzu","market":"us","size":531825},{"description":"EX-31.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-2021331xex311.htm","primary":false,"translateUrl":null,"linkName":"biib-2021331xex311.htm","type":"EX-31.1","id":"NTFILEAhw4KpM6jWihmY29","market":"us","size":10911},{"description":"EX-31.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-2021331xex312.htm","primary":false,"translateUrl":null,"linkName":"biib-2021331xex312.htm","type":"EX-31.2","id":"NTFILEG2tdrsfKPVneaqkM","market":"us","size":10586},{"description":"EX-32.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-2021331xex321.htm","primary":false,"translateUrl":null,"linkName":"biib-2021331xex321.htm","type":"EX-32.1","id":"NTFILEHwW4RP5LAo1Hu2Zw","market":"us","size":8522},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g1.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g1.jpg","type":"GRAPHIC","id":"NTFILEEW7bFach73BJZdKU","market":"us","size":62626},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g10.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g10.jpg","type":"GRAPHIC","id":"NTFILEAuuRQf54BEbhZorG","market":"us","size":44250},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g11.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g11.jpg","type":"GRAPHIC","id":"NTFILE5Kj7NmMtW512PoJu","market":"us","size":66148},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g12.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g12.jpg","type":"GRAPHIC","id":"NTFILE8nJjLvfzpwomrKmZ","market":"us","size":105358},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g13.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g13.jpg","type":"GRAPHIC","id":"NTFILE42GmpUn9w3hPoZj4","market":"us","size":35136},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g14.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g14.jpg","type":"GRAPHIC","id":"NTFILE4L9WxV8gk8REQ8yg","market":"us","size":34908},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g15.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g15.jpg","type":"GRAPHIC","id":"NTFILE5JDZZQHhpWBiKRMR","market":"us","size":34335},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g16.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g16.jpg","type":"GRAPHIC","id":"NTFILE4u9NVLyyqAV2nwy4","market":"us","size":35747},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g17.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g17.jpg","type":"GRAPHIC","id":"NTFILEGV8TJGmhJcXknjBF","market":"us","size":32660},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g18.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g18.jpg","type":"GRAPHIC","id":"NTFILExAACnhBH88snTHZt","market":"us","size":34528},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g19.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g19.jpg","type":"GRAPHIC","id":"NTFILEB1pt9yoBLSvcL7WW","market":"us","size":57680},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g2.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g2.jpg","type":"GRAPHIC","id":"NTFILEHs9rGhuVh4eugH6L","market":"us","size":52903},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g20.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g20.jpg","type":"GRAPHIC","id":"NTFILEchrQuBNXTbB5srty","market":"us","size":33133},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g3.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g3.jpg","type":"GRAPHIC","id":"NTFILECeUtEMPMXg4fB2Wi","market":"us","size":50163},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g4.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g4.jpg","type":"GRAPHIC","id":"NTFILE3v5we32wX2Scmeqv","market":"us","size":50343},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g5.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g5.jpg","type":"GRAPHIC","id":"NTFILE6nc99CPR7Bu9nBH6","market":"us","size":49261},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g6.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g6.jpg","type":"GRAPHIC","id":"NTFILEJ3koSEgzGkMppYdR","market":"us","size":53475},{"description":"","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g7.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g7.jpg","type":"GRAPHIC","id":"NTFILEBqSv9he6VTf9QB9i","market":"us","size":68243},{"description":"","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g8.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g8.jpg","type":"GRAPHIC","id":"NTFILEAeK5VNtUA1A73MjQ","market":"us","size":52249},{"description":"","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/biib-20210331_g9.jpg","primary":false,"translateUrl":null,"linkName":"biib-20210331_g9.jpg","type":"GRAPHIC","id":"NTFILE8mnrQWJfsMqAiLtX","market":"us","size":57407}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[{"id":74804,"name":"Condensed Consolidated Statements of Income (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":74805,"name":"Condensed Consolidated Statements of Comprehensive Income (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":74806,"name":"Condensed Consolidated Balance Sheets (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":74807,"name":"Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":74808,"name":"Condensed Consolidated Statements of Cash Flows (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":74809,"name":"Condensed Consolidated Statement of Equity Statement","name_zh":"简明综合权益表","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/R7.htm","cdn_url":"https://static.tigerbbs.com/2f038b58b45dcfdde85768d1b8429893","translation_url":"https://static.tigerbbs.com/f3f52f61f64b95ca5075bab9c9d9943a","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2021-04-22 00:00","pubTimestamp":1619020800,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12518232","market":"us","labels":[],"media":"sec.gov","original_id":"AN87504521000025-BIIB","pdf_url":null,"pub_time":1619020800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"BIIB","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000025/0000875045-21-000025-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000025/exhibit991-q12021pressrele.htm","primary":true,"translateUrl":null,"linkName":"exhibit991-q12021pressrele.htm","type":"EX-99.1","id":"NTFILEFoq3KqcWygcy2WjE","market":"us","size":350657},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000025/biib-20210422.htm","primary":false,"translateUrl":null,"linkName":"biib-20210422.htm","type":"8-K","id":"NTFILE7ZoGh8dYHCDNGZ8i","market":"us","size":31372},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000025/biogenlogostandarda291a.jpg","primary":false,"translateUrl":null,"linkName":"biogenlogostandarda291a.jpg","type":"GRAPHIC","id":"NTFILESk82hea3JGJjVH8P","market":"us","size":756402}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-04-22 00:00","pubTimestamp":1619020800,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12495289","market":"us","labels":[],"media":"sec.gov","original_id":"AN87504521000018-BIIB","pdf_url":null,"pub_time":1617897600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"BIIB","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000018/0000875045-21-000018-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000018/exhibit991-directoreventpr.htm","primary":true,"translateUrl":null,"linkName":"exhibit991-directoreventpr.htm","type":"EX-99.1","id":"NTFILE9iwuW6gXhCGCZxSA","market":"us","size":21777},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000018/biib-20210407.htm","primary":false,"translateUrl":null,"linkName":"biib-20210407.htm","type":"8-K","id":"NTFILEP8ugXqNJ8YJ4epSc","market":"us","size":34037},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000018/biogenlogostandarda291.jpg","primary":false,"translateUrl":null,"linkName":"biogenlogostandarda291.jpg","type":"GRAPHIC","id":"NTFILEHS5AZJtJojWAZqiP","market":"us","size":756402},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000018/picture21.jpg","primary":false,"translateUrl":null,"linkName":"picture21.jpg","type":"GRAPHIC","id":"NTFILE5GP6iC9kwnyJNegE","market":"us","size":12959}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-04-09 00:00","pubTimestamp":1617897600,"title_zh":"8-K  - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"13976190","market":"us","labels":[],"media":"sec.gov","original_id":"AN87504521000013-BIIB","pdf_url":"","pub_time":1617724800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"CORRESP [Cover] - Correspondence","symbol":"BIIB","title":"CORRESP [Cover] - Correspondence","titleType":"Correspondence","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000013/0000875045-21-000013-index.htm","us_notice_code":"Form CORRESP","us_title_en":"CORRESP [Cover] - Correspondence","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000013/filename1.htm","primary":true,"translateUrl":"","linkName":"filename1.htm","type":"CORRESP","id":"NTFILED2nTzxQVzR4grzXJ","market":"us","size":81954}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Correspondence","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Correspondence","pubTime":"2021-04-07 00:00","pubTimestamp":1617724800,"title_zh":"CORRESP [Cover] - Correspondence","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12495307","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521044891-BIIB","pdf_url":null,"pub_time":1613404800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"BIIB","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000119312521044891/0001193125-21-044891-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-4.2","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312521044891/d124092dex42.htm","primary":true,"translateUrl":null,"linkName":"d124092dex42.htm","type":"EX-4.2","id":"NTFILE5n8b9y4q8Pedei9v","market":"us","size":172215},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312521044891/d124092d8k.htm","primary":false,"translateUrl":null,"linkName":"d124092d8k.htm","type":"8-K","id":"NTFILE9aeMZpqbkpXj8S5G","market":"us","size":34736},{"description":"EX-4.3","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312521044891/d124092dex43.htm","primary":false,"translateUrl":null,"linkName":"d124092dex43.htm","type":"EX-4.3","id":"NTFILECgnrEF5izbwBfFus","market":"us","size":44446},{"description":"EX-4.4","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312521044891/d124092dex44.htm","primary":false,"translateUrl":null,"linkName":"d124092dex44.htm","type":"EX-4.4","id":"NTFILE6NHqrwCtWTQxdnvK","market":"us","size":43528},{"description":"EX-4.5","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312521044891/d124092dex45.htm","primary":false,"translateUrl":null,"linkName":"d124092dex45.htm","type":"EX-4.5","id":"NTFILEEVsDav1MmfQ6J3aJ","market":"us","size":98972},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312521044891/g124092g0204053553390.jpg","primary":false,"translateUrl":null,"linkName":"g124092g0204053553390.jpg","type":"GRAPHIC","id":"NTFILE5imLUA7ZiBBuLqRC","market":"us","size":1674}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-02-16 00:00","pubTimestamp":1613404800,"title_zh":"8-K  - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12495296","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465921021513-BIIB","pdf_url":null,"pub_time":1613059200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"BIIB","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000110465921021513/0001104659-21-021513-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SCHEDULE 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/763212/000110465921021513/tm214754d2_sc13ga.htm","primary":true,"translateUrl":null,"linkName":"tm214754d2_sc13ga.htm","type":"SC 13G/A","id":"NTFILEH3szMdveERfML8jT","market":"us","size":49939}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-02-12 00:00","pubTimestamp":1613059200,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12495303","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465921017580-BIIB","pdf_url":null,"pub_time":1612886400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"BIIB","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000110465921017580/0001104659-21-017580-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SCHEDULE 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/102909/000110465921017580/tv0368-biogeninc.htm","primary":true,"translateUrl":null,"linkName":"tv0368-biogeninc.htm","type":"SC 13G/A","id":"NTFILECe8TRvxHxWKLf6YZ","market":"us","size":12283}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-02-10 00:00","pubTimestamp":1612886400,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11718488","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521028202-BIIB","pdf_url":null,"pub_time":1612368000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"BIIB","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000119312521028202/0001193125-21-028202-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312521028202/d52158dex991.htm","primary":true,"translateUrl":null,"linkName":"d52158dex991.htm","type":"EX-99.1","id":"NTFILE5diMeDTjWP9vwpVV","market":"us","size":28452},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312521028202/d52158d8k.htm","primary":false,"translateUrl":null,"linkName":"d52158d8k.htm","type":"8-K","id":"NTFILEAf16jGKoRCLXfXgo","market":"us","size":32625},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312521028202/d52158dex992.htm","primary":false,"translateUrl":null,"linkName":"d52158dex992.htm","type":"EX-99.2","id":"NTFILE3mK2a3QtnYQKUzLa","market":"us","size":19863},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312521028202/g52158g0204053553390.jpg","primary":false,"translateUrl":null,"linkName":"g52158g0204053553390.jpg","type":"GRAPHIC","id":"NTFILE5ZwT8EcJxTSTvapG","market":"us","size":1674},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312521028202/g52158g0204054403685.jpg","primary":false,"translateUrl":null,"linkName":"g52158g0204054403685.jpg","type":"GRAPHIC","id":"NTFILEEKyqUorK1n6sGMqi","market":"us","size":3179}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-02-04 00:00","pubTimestamp":1612368000,"title_zh":"8-K  - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11718489","market":"us","labels":[],"media":"sec.gov","original_id":"AN87504521000010-BIIB","pdf_url":null,"pub_time":1612281600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"BIIB","title":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/0000875045-21-000010-index.htm","us_notice_code":"Form 10-K","us_title_en":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231.htm","primary":true,"translateUrl":null,"linkName":"biib-20201231.htm","type":"10-K","id":"NTFILEERuBmNhuTKVwuP8G","market":"us","size":5145141},{"description":"EX-4.4","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231xex44.htm","primary":false,"translateUrl":null,"linkName":"biib-20201231xex44.htm","type":"EX-4.4","id":"NTFILE7aPrgNbdSSpB6BK9","market":"us","size":236662},{"description":"EX-10.41","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231xex1041.htm","primary":false,"translateUrl":null,"linkName":"biib-20201231xex1041.htm","type":"EX-10.41","id":"NTFILEFj147TexbWe8SvhL","market":"us","size":42725},{"description":"EX-21","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231xex21.htm","primary":false,"translateUrl":null,"linkName":"biib-20201231xex21.htm","type":"EX-21","id":"NTFILEECwQhduEpgxsk1HA","market":"us","size":42876},{"description":"EX-23","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231xex23.htm","primary":false,"translateUrl":null,"linkName":"biib-20201231xex23.htm","type":"EX-23","id":"NTFILE3XgyPxjYn572h3yh","market":"us","size":2693},{"description":"EX-31.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231xex311.htm","primary":false,"translateUrl":null,"linkName":"biib-20201231xex311.htm","type":"EX-31.1","id":"NTFILE5KLPft3jAjyZxR2u","market":"us","size":10911},{"description":"EX-31.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231xex312.htm","primary":false,"translateUrl":null,"linkName":"biib-20201231xex312.htm","type":"EX-31.2","id":"NTFILEGjNPdWJPnQcjqJzZ","market":"us","size":10763},{"description":"EX-32.1","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231xex321.htm","primary":false,"translateUrl":null,"linkName":"biib-20201231xex321.htm","type":"EX-32.1","id":"NTFILEEKRChuSouazzeUd6","market":"us","size":8721},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g1.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g1.jpg","type":"GRAPHIC","id":"NTFILE6FBr17WhBQSYidJU","market":"us","size":12981},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g10.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g10.jpg","type":"GRAPHIC","id":"NTFILE59Fa22oqEWh16GHv","market":"us","size":72059},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g11.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g11.jpg","type":"GRAPHIC","id":"NTFILEDnutKX3DQCGR9t8q","market":"us","size":629417},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g12.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g12.jpg","type":"GRAPHIC","id":"NTFILE9ouV3eSigg446tkk","market":"us","size":629442},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g13.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g13.jpg","type":"GRAPHIC","id":"NTFILE8tjggpXwf6cPDiSq","market":"us","size":628388},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g14.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g14.jpg","type":"GRAPHIC","id":"NTFILE9RVUeGL9EC113KrD","market":"us","size":9985},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g15.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g15.jpg","type":"GRAPHIC","id":"NTFILE7MmCtTCrVdDP7tHZ","market":"us","size":9120},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g16.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g16.jpg","type":"GRAPHIC","id":"NTFILE5VCZjja9tJDvWoen","market":"us","size":21759},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g17.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g17.jpg","type":"GRAPHIC","id":"NTFILE3i3213WUyecNP8zR","market":"us","size":30240},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g18.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g18.jpg","type":"GRAPHIC","id":"NTFILECkBodp2DM1e1ww62","market":"us","size":3140},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g19.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g19.jpg","type":"GRAPHIC","id":"NTFILE3gVwdnguN9b37LVP","market":"us","size":121990},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g2.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g2.jpg","type":"GRAPHIC","id":"NTFILE6ukL23rnRFE3ZgJ1","market":"us","size":22692},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g20.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g20.jpg","type":"GRAPHIC","id":"NTFILE5srsox17DGRL6XUD","market":"us","size":63939},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g21.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g21.jpg","type":"GRAPHIC","id":"NTFILEJ7A3MReNgrPjdL4D","market":"us","size":62803},{"description":"","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g22.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g22.jpg","type":"GRAPHIC","id":"NTFILE5AZEXTK78PgbroYj","market":"us","size":64204},{"description":"","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g23.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g23.jpg","type":"GRAPHIC","id":"NTFILEfUr6aL2Ggba94xCW","market":"us","size":61806},{"description":"","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g24.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g24.jpg","type":"GRAPHIC","id":"NTFILE5Pg7cgwgrmSsaJvM","market":"us","size":64317},{"description":"","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g25.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g25.jpg","type":"GRAPHIC","id":"NTFILE9mrowCQnEAFnM87c","market":"us","size":85321},{"description":"","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g26.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g26.jpg","type":"GRAPHIC","id":"NTFILE3TWQSAKgDw4GayWJ","market":"us","size":54102},{"description":"","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g27.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g27.jpg","type":"GRAPHIC","id":"NTFILE9QbywEw5QQgJLtsq","market":"us","size":66145},{"description":"","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g28.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g28.jpg","type":"GRAPHIC","id":"NTFILE6xdhTJiW4Ap5n4aG","market":"us","size":58514},{"description":"","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g29.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g29.jpg","type":"GRAPHIC","id":"NTFILEDu4VgDacjDvJEkKC","market":"us","size":76630},{"description":"","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g3.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g3.jpg","type":"GRAPHIC","id":"NTFILE4GkanoEgHusmN9vN","market":"us","size":152875},{"description":"","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g30.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g30.jpg","type":"GRAPHIC","id":"NTFILEGT2oJB1cuBydELHS","market":"us","size":130746},{"description":"","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g31.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g31.jpg","type":"GRAPHIC","id":"NTFILE2QVfej6VbnPZztPt","market":"us","size":38421},{"description":"","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g32.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g32.jpg","type":"GRAPHIC","id":"NTFILEDAuuDqaSoQqP6phM","market":"us","size":38218},{"description":"","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g33.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g33.jpg","type":"GRAPHIC","id":"NTFILE4kxWMeUVMB1qpyw6","market":"us","size":37416},{"description":"","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g34.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g34.jpg","type":"GRAPHIC","id":"NTFILE8wYBJY9pveX7992X","market":"us","size":35028},{"description":"","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g35.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g35.jpg","type":"GRAPHIC","id":"NTFILE3q41hNoM3uRk7KtR","market":"us","size":39425},{"description":"","seq":43,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g36.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g36.jpg","type":"GRAPHIC","id":"NTFILEHYJWqJzcpJTNnZNT","market":"us","size":37354},{"description":"","seq":44,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g37.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g37.jpg","type":"GRAPHIC","id":"NTFILEHWpJtusuAK5yDc4d","market":"us","size":34759},{"description":"","seq":45,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g38.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g38.jpg","type":"GRAPHIC","id":"NTFILE3Jo2UZNKZagxQcqh","market":"us","size":65848},{"description":"","seq":46,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g39.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g39.jpg","type":"GRAPHIC","id":"NTFILE4EHayAMgw8ZQy8n8","market":"us","size":35402},{"description":"","seq":47,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g4.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g4.jpg","type":"GRAPHIC","id":"NTFILE7Y7tKJ5omSeUuHj3","market":"us","size":7384},{"description":"","seq":48,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g40.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g40.jpg","type":"GRAPHIC","id":"NTFILECqKcdJzcEybu8dsq","market":"us","size":32620},{"description":"","seq":49,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g5.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g5.jpg","type":"GRAPHIC","id":"NTFILE2QU1PvQnHbjUSFVK","market":"us","size":4657},{"description":"","seq":50,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g6.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g6.jpg","type":"GRAPHIC","id":"NTFILE8AMxZ2Q9Y1Xgy2CY","market":"us","size":5670},{"description":"","seq":51,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g7.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g7.jpg","type":"GRAPHIC","id":"NTFILE4wJsa8mMckW7iymP","market":"us","size":5127},{"description":"","seq":52,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g8.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g8.jpg","type":"GRAPHIC","id":"NTFILEBcu8aqRgfWCg9paB","market":"us","size":6359},{"description":"","seq":53,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/biib-20201231_g9.jpg","primary":false,"translateUrl":null,"linkName":"biib-20201231_g9.jpg","type":"GRAPHIC","id":"NTFILE97KNrQL79ExKYzny","market":"us","size":2031}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2021-02-03 00:00","pubTimestamp":1612281600,"title_zh":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11698540","market":"us","labels":[],"media":"sec.gov","original_id":"AN87504521000005-BIIB","pdf_url":null,"pub_time":1612281600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"BIIB","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000005/0000875045-21-000005-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000005/exhibit991-q42020pressrele.htm","primary":true,"translateUrl":null,"linkName":"exhibit991-q42020pressrele.htm","type":"EX-99.1","id":"NTFILEH8TMofPzWdrqccmt","market":"us","size":411192},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000005/biib-20210203.htm","primary":false,"translateUrl":null,"linkName":"biib-20210203.htm","type":"8-K","id":"NTFILEEjVfMBdAehaaF1Am","market":"us","size":31399},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000005/biogenlogostandarda291.jpg","primary":false,"translateUrl":null,"linkName":"biogenlogostandarda291.jpg","type":"GRAPHIC","id":"NTFILECp3sZY9J2bAVNBvU","market":"us","size":756402}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-02-03 00:00","pubTimestamp":1612281600,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":false,"id":"11698539","market":"us","labels":[],"media":"sec.gov","original_id":"AN83423721002850-BIIB","pdf_url":null,"pub_time":1611849600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"BIIB","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000083423721002850/0000834237-21-002850-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-01-29 00:00","pubTimestamp":1611849600,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11431600","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521006295-BIIB","pdf_url":null,"pub_time":1610294400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","symbol":"BIIB","title":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000119312521006295/0001193125-21-006295-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312521006295/d73181dsc13g.htm","primary":true,"translateUrl":null,"linkName":"d73181dsc13g.htm","type":"SC 13G","id":"NTFILE2WNfirNxaE7J72S4","market":"us","size":44600}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-01-11 00:00","pubTimestamp":1610294400,"title_zh":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11103270","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465920133697-BIIB","pdf_url":null,"pub_time":1607443200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"BIIB","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000110465920133697/0001104659-20-133697-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/763212/000110465920133697/tm2037866-1_sc13ga.htm","primary":true,"translateUrl":null,"linkName":"tm2037866-1_sc13ga.htm","type":"SC 13G/A","id":"NTFILEDxv4Ry6wRQE1p4kj","market":"us","size":47575}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2020-12-09 00:00","pubTimestamp":1607443200,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10547127","market":"us","labels":[],"media":"sec.gov","original_id":"AN87504520000036-BIIB","pdf_url":null,"pub_time":1603209600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"BIIB","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/0000875045-20-000036-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930.htm","primary":true,"translateUrl":null,"linkName":"biib-20200930.htm","type":"10-Q","id":"NTFILEHQ3Cbr5NhhE9mecb","market":"us","size":4077364},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/exhibit101-severancepo.htm","primary":false,"translateUrl":null,"linkName":"exhibit101-severancepo.htm","type":"EX-10.1","id":"NTFILEDiynYbbRZq48xDSE","market":"us","size":53226},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/exhibit102-mcdonnellof.htm","primary":false,"translateUrl":null,"linkName":"exhibit102-mcdonnellof.htm","type":"EX-10.2","id":"NTFILE4R4wo4tyfeTp1zy3","market":"us","size":36220},{"description":"EX-10.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/exhibit103-capellosepa.htm","primary":false,"translateUrl":null,"linkName":"exhibit103-capellosepa.htm","type":"EX-10.3","id":"NTFILE6usyXrSvRXX6MzQz","market":"us","size":96555},{"description":"EX-31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-2020930xex311.htm","primary":false,"translateUrl":null,"linkName":"biib-2020930xex311.htm","type":"EX-31.1","id":"NTFILEG91YyG2yiUgXnVPf","market":"us","size":13005},{"description":"EX-31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-2020930xex312.htm","primary":false,"translateUrl":null,"linkName":"biib-2020930xex312.htm","type":"EX-31.2","id":"NTFILE6ibiddwaa8pXmAKq","market":"us","size":13118},{"description":"EX-32.1","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-2020930xex321.htm","primary":false,"translateUrl":null,"linkName":"biib-2020930xex321.htm","type":"EX-32.1","id":"NTFILE8ucFcKf3mfN3pVst","market":"us","size":12072},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g1.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g1.jpg","type":"GRAPHIC","id":"NTFILEG4E1XVcCuETvj34E","market":"us","size":62626},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g10.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g10.jpg","type":"GRAPHIC","id":"NTFILE9mPT8Nzu8GEFj6jA","market":"us","size":94087},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g11.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g11.jpg","type":"GRAPHIC","id":"NTFILEs7AyTJejGkac1aTY","market":"us","size":66765},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g12.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g12.jpg","type":"GRAPHIC","id":"NTFILE215QrwBqsb951NNV","market":"us","size":85708},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g13.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g13.jpg","type":"GRAPHIC","id":"NTFILE9sqmg3DXDnRLMf3m","market":"us","size":142612},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g14.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g14.jpg","type":"GRAPHIC","id":"NTFILEGyyGewErNuWXorRy","market":"us","size":48725},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g15.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g15.jpg","type":"GRAPHIC","id":"NTFILECv1AR2vfaHqdx4FN","market":"us","size":48429},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g16.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g16.jpg","type":"GRAPHIC","id":"NTFILEDYqJd3GeAJBqYyES","market":"us","size":46192},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g17.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g17.jpg","type":"GRAPHIC","id":"NTFILECrcfAqCPCoHxzrgZ","market":"us","size":46229},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g18.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g18.jpg","type":"GRAPHIC","id":"NTFILE6WdyYVujffH3v5Bu","market":"us","size":52426},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g19.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g19.jpg","type":"GRAPHIC","id":"NTFILE5EMRSxB3KQ3PVoCX","market":"us","size":42038},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g2.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g2.jpg","type":"GRAPHIC","id":"NTFILE3Nrv95vQ9BeJvffy","market":"us","size":72757},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g20.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g20.jpg","type":"GRAPHIC","id":"NTFILE9QTZMtz9qYVKneBm","market":"us","size":48907},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g21.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g21.jpg","type":"GRAPHIC","id":"NTFILEYsm9dyr6Dm7XpVKe","market":"us","size":71720},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g22.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g22.jpg","type":"GRAPHIC","id":"NTFILEBsz8icsJNE7qkJe2","market":"us","size":42194},{"description":"","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g23.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g23.jpg","type":"GRAPHIC","id":"NTFILE2TMupQexc1EFfHih","market":"us","size":38814},{"description":"","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g3.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g3.jpg","type":"GRAPHIC","id":"NTFILE9z7rLjFeaNDMFL5q","market":"us","size":76838},{"description":"","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g4.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g4.jpg","type":"GRAPHIC","id":"NTFILE5WHp1BxcqNtji55N","market":"us","size":72665},{"description":"","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g5.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g5.jpg","type":"GRAPHIC","id":"NTFILECHMGZEYm9syWnNhf","market":"us","size":72068},{"description":"","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g6.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g6.jpg","type":"GRAPHIC","id":"NTFILEFNKtAm7X2J5RjCyV","market":"us","size":69163},{"description":"","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g7.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g7.jpg","type":"GRAPHIC","id":"NTFILEFECfNJmvJVtXoLpm","market":"us","size":76681},{"description":"","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g8.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g8.jpg","type":"GRAPHIC","id":"NTFILEEj7617GipxApaPta","market":"us","size":93894},{"description":"","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/biib-20200930_g9.jpg","primary":false,"translateUrl":null,"linkName":"biib-20200930_g9.jpg","type":"GRAPHIC","id":"NTFILEBEA4Bdgs3oQhwHk2","market":"us","size":71460},{"description":"","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/image01.jpg","primary":false,"translateUrl":null,"linkName":"image01.jpg","type":"GRAPHIC","id":"NTFILE7ev7hYiDSwP9MTBz","market":"us","size":12974},{"description":"","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/image11.jpg","primary":false,"translateUrl":null,"linkName":"image11.jpg","type":"GRAPHIC","id":"NTFILED5CsiaG7bbpqTDTt","market":"us","size":17918},{"description":"","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/image111.jpg","primary":false,"translateUrl":null,"linkName":"image111.jpg","type":"GRAPHIC","id":"NTFILEDf7ZB2rWgdEZP9GD","market":"us","size":11862}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[{"id":39488,"name":"Condensed Consolidated Statements of Income (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":39489,"name":"Condensed Consolidated Statements of Comprehensive Income (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":39490,"name":"Condensed Consolidated Balance Sheets (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":39491,"name":"Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":39492,"name":"Condensed Consolidated Statements of Cash Flows (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":39493,"name":"Condensed Consolidated Statement of Equity Statement","name_zh":"简明综合股本表","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/R7.htm","cdn_url":"https://static.tigerbbs.com/dbdf25989801755565db702ed6ebaebe","translation_url":"https://static.tigerbbs.com/f6ee04a1d0a0b3521c76a14e5ff53047","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-10-21 00:00","pubTimestamp":1603209600,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10544798","market":"us","labels":[],"media":"sec.gov","original_id":"AN87504520000032-BIIB","pdf_url":null,"pub_time":1603209600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"BIIB","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000032/0000875045-20-000032-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000032/exhibit991-q32020press.htm","primary":true,"translateUrl":null,"linkName":"exhibit991-q32020press.htm","type":"EX-99.1","id":"NTFILE5Gp7jHsTN7RzmaX5","market":"us","size":614901},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000032/biib-20201021.htm","primary":false,"translateUrl":null,"linkName":"biib-20201021.htm","type":"8-K","id":"NTFILEBuvSBtqGf19LwNzR","market":"us","size":38136},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000032/biogenlogostandarda2911.jpg","primary":false,"translateUrl":null,"linkName":"biogenlogostandarda2911.jpg","type":"GRAPHIC","id":"NTFILE5jbmZsZT5arZ6CHc","market":"us","size":756402}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-10-21 00:00","pubTimestamp":1603209600,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10412536","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520256415-BIIB","pdf_url":null,"pub_time":1601222400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","symbol":"BIIB","title":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/875045/000119312520256415/0001193125-20-256415-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SC 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/875045/000119312520256415/d948924dsc13g.htm","primary":true,"translateUrl":null,"linkName":"d948924dsc13g.htm","type":"SC 13G","id":"NTFILE8m7f75AAw1FjMVSk","market":"us","size":44223}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2020-09-28 00:00","pubTimestamp":1601222400,"title_zh":"SC 13G  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":12,"pageCount":7,"totalSize":235,"code":"91000000","status":"200"}]}}