{"schemaVersion":1,"title":"Biogen Revenue","path":"/stock/biib/revenue","topic":"revenue","company":{"symbol":"biib","name":"Biogen","exchange":"NASDAQ","currency":"USD","aliases":[]},"retrievedAt":"2026-09-28T18:23:16.063Z","periodBasis":"fiscal","options":{"range":"5Y","deductSbc":false,"limit":200,"offset":0,"frequency":"quarterly","wacc":7.9},"definitions":[{"id":"total_revenue","label":"Total revenue","unit":"USD_millions","formula":"Reported consolidated revenue from the issuer filing. Each observation identifies its accounting concept; bank net revenue is net of interest expense when that concept is reported."}],"latest":{"period":"2026-Q2","end":"2026-06-30","start":"2026-04-01","values":{"total_revenue":2736},"issues":{},"observations":{"total_revenue":{"value":2736,"method":"reported","evidence":[{"sourceId":"inline-0000875045-6cb9ce01311f","tag":"us-gaap:Revenues","accession":"0000875045-26-000075","form":"10-Q","filed":"2026-07-29","start":"2026-04-01","end":"2026-06-30","rawValue":2736000000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504526000075/biib-20260630.htm","contextRef":"c-19"}],"issue":null}}},"rows":[{"period":"2026-Q2","end":"2026-06-30","start":"2026-04-01","values":{"total_revenue":2736},"issues":{},"observations":{"total_revenue":{"value":2736,"method":"reported","evidence":[{"sourceId":"inline-0000875045-6cb9ce01311f","tag":"us-gaap:Revenues","accession":"0000875045-26-000075","form":"10-Q","filed":"2026-07-29","start":"2026-04-01","end":"2026-06-30","rawValue":2736000000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504526000075/biib-20260630.htm","contextRef":"c-19"}],"issue":null}}},{"period":"2026-Q1","end":"2026-03-31","start":"2026-01-01","values":{"total_revenue":2477.8},"issues":{},"observations":{"total_revenue":{"value":2477.8,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-26-000045","form":"10-Q","filed":"2026-04-29","start":"2026-01-01","end":"2026-03-31","rawValue":2477800000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504526000045/0000875045-26-000045-index.html"}],"issue":null}}},{"period":"2025-Q4","end":"2025-12-31","start":"2025-10-01","values":{"total_revenue":2279.4},"issues":{},"observations":{"total_revenue":{"value":2279.4,"method":"difference","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-26-000013","form":"10-K","filed":"2026-02-06","start":"2025-01-01","end":"2025-12-31","rawValue":9890600000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504526000013/0000875045-26-000013-index.html"},{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-25-000049","form":"10-Q","filed":"2025-10-30","start":"2025-01-01","end":"2025-09-30","rawValue":7611200000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504525000049/0000875045-25-000049-index.html"}],"issue":null}}},{"period":"2025-Q3","end":"2025-09-30","start":"2025-07-01","values":{"total_revenue":2534.7},"issues":{},"observations":{"total_revenue":{"value":2534.7,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-25-000049","form":"10-Q","filed":"2025-10-30","start":"2025-07-01","end":"2025-09-30","rawValue":2534700000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504525000049/0000875045-25-000049-index.html"}],"issue":null}}},{"period":"2025-Q2","end":"2025-06-30","start":"2025-04-01","values":{"total_revenue":2645.5},"issues":{},"observations":{"total_revenue":{"value":2645.5,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-25-000033","form":"10-Q","filed":"2025-07-31","start":"2025-04-01","end":"2025-06-30","rawValue":2645500000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504525000033/0000875045-25-000033-index.html"}],"issue":null}}},{"period":"2025-Q1","end":"2025-03-31","start":"2025-01-01","values":{"total_revenue":2431},"issues":{},"observations":{"total_revenue":{"value":2431,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-25-000018","form":"10-Q","filed":"2025-05-01","start":"2025-01-01","end":"2025-03-31","rawValue":2431000000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504525000018/0000875045-25-000018-index.html"}],"issue":null}}},{"period":"2024-Q4","end":"2024-12-31","start":"2024-10-01","values":{"total_revenue":2454.7},"issues":{},"observations":{"total_revenue":{"value":2454.7,"method":"difference","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-25-000009","form":"10-K","filed":"2025-02-12","start":"2024-01-01","end":"2024-12-31","rawValue":9675900000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504525000009/0000875045-25-000009-index.html"},{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-24-000032","form":"10-Q","filed":"2024-10-30","start":"2024-01-01","end":"2024-09-30","rawValue":7221200000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504524000032/0000875045-24-000032-index.html"}],"issue":null}}},{"period":"2024-Q3","end":"2024-09-30","start":"2024-07-01","values":{"total_revenue":2465.8},"issues":{},"observations":{"total_revenue":{"value":2465.8,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-24-000032","form":"10-Q","filed":"2024-10-30","start":"2024-07-01","end":"2024-09-30","rawValue":2465800000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504524000032/0000875045-24-000032-index.html"}],"issue":null}}},{"period":"2024-Q2","end":"2024-06-30","start":"2024-04-01","values":{"total_revenue":2464.9},"issues":{},"observations":{"total_revenue":{"value":2464.9,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-24-000025","form":"10-Q","filed":"2024-08-01","start":"2024-04-01","end":"2024-06-30","rawValue":2464900000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504524000025/0000875045-24-000025-index.html"}],"issue":null}}},{"period":"2024-Q1","end":"2024-03-31","start":"2024-01-01","values":{"total_revenue":2290.5},"issues":{},"observations":{"total_revenue":{"value":2290.5,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-24-000016","form":"10-Q","filed":"2024-04-24","start":"2024-01-01","end":"2024-03-31","rawValue":2290500000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504524000016/0000875045-24-000016-index.html"}],"issue":null}}},{"period":"2023-Q4","end":"2023-12-31","start":"2023-10-01","values":{"total_revenue":2386.3},"issues":{},"observations":{"total_revenue":{"value":2386.3,"method":"difference","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-24-000009","form":"10-K","filed":"2024-02-14","start":"2023-01-01","end":"2023-12-31","rawValue":9835600000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504524000009/0000875045-24-000009-index.html"},{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-23-000038","form":"10-Q","filed":"2023-11-08","start":"2023-01-01","end":"2023-09-30","rawValue":7449300000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504523000038/0000875045-23-000038-index.html"}],"issue":null}}},{"period":"2023-Q3","end":"2023-09-30","start":"2023-07-01","values":{"total_revenue":2530.3},"issues":{},"observations":{"total_revenue":{"value":2530.3,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-23-000038","form":"10-Q","filed":"2023-11-08","start":"2023-07-01","end":"2023-09-30","rawValue":2530300000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504523000038/0000875045-23-000038-index.html"}],"issue":null}}},{"period":"2023-Q2","end":"2023-06-30","start":"2023-04-01","values":{"total_revenue":2456},"issues":{},"observations":{"total_revenue":{"value":2456,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-23-000030","form":"10-Q","filed":"2023-07-25","start":"2023-04-01","end":"2023-06-30","rawValue":2456000000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504523000030/0000875045-23-000030-index.html"}],"issue":null}}},{"period":"2023-Q1","end":"2023-03-31","start":"2023-01-01","values":{"total_revenue":2463},"issues":{},"observations":{"total_revenue":{"value":2463,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-23-000016","form":"10-Q","filed":"2023-04-25","start":"2023-01-01","end":"2023-03-31","rawValue":2463000000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504523000016/0000875045-23-000016-index.html"}],"issue":null}}},{"period":"2022-Q4","end":"2022-12-31","start":"2022-10-01","values":{"total_revenue":2544},"issues":{},"observations":{"total_revenue":{"value":2544,"method":"difference","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-23-000009","form":"10-K","filed":"2023-02-15","start":"2022-01-01","end":"2022-12-31","rawValue":10173400000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504523000009/0000875045-23-000009-index.html"},{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-22-000031","form":"10-Q","filed":"2022-10-25","start":"2022-01-01","end":"2022-09-30","rawValue":7629400000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504522000031/0000875045-22-000031-index.html"}],"issue":null}}},{"period":"2022-Q3","end":"2022-09-30","start":"2022-07-01","values":{"total_revenue":2508.5},"issues":{},"observations":{"total_revenue":{"value":2508.5,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-22-000031","form":"10-Q","filed":"2022-10-25","start":"2022-07-01","end":"2022-09-30","rawValue":2508500000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504522000031/0000875045-22-000031-index.html"}],"issue":null}}},{"period":"2022-Q1","end":"2022-06-30","start":"2022-04-01","values":{"total_revenue":2589.1},"issues":{},"observations":{"total_revenue":{"value":2589.1,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-22-000025","form":"10-Q","filed":"2022-07-20","start":"2022-04-01","end":"2022-06-30","rawValue":2589100000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504522000025/0000875045-22-000025-index.html"}],"issue":null}}},{"period":"2021-Q4","end":"2021-12-31","start":"2021-10-01","values":{"total_revenue":2733.8},"issues":{},"observations":{"total_revenue":{"value":2733.8,"method":"difference","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-22-000007","form":"10-K","filed":"2022-02-03","start":"2021-01-01","end":"2021-12-31","rawValue":10981700000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504522000007/0000875045-22-000007-index.html"},{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-21-000052","form":"10-Q","filed":"2021-10-20","start":"2021-01-01","end":"2021-09-30","rawValue":8247900000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000052/0000875045-21-000052-index.html"}],"issue":null}}},{"period":"2021-Q3","end":"2021-09-30","start":"2021-07-01","values":{"total_revenue":2778.9},"issues":{},"observations":{"total_revenue":{"value":2778.9,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-21-000052","form":"10-Q","filed":"2021-10-20","start":"2021-07-01","end":"2021-09-30","rawValue":2778900000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000052/0000875045-21-000052-index.html"}],"issue":null}}},{"period":"2021-Q2","end":"2021-06-30","start":"2021-04-01","values":{"total_revenue":2775},"issues":{},"observations":{"total_revenue":{"value":2775,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-21-000044","form":"10-Q","filed":"2021-07-22","start":"2021-04-01","end":"2021-06-30","rawValue":2775000000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000044/0000875045-21-000044-index.html"}],"issue":null}}},{"period":"2021-Q1","end":"2021-03-31","start":"2021-01-01","values":{"total_revenue":2694},"issues":{},"observations":{"total_revenue":{"value":2694,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-21-000028","form":"10-Q","filed":"2021-04-22","start":"2021-01-01","end":"2021-03-31","rawValue":2694000000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000028/0000875045-21-000028-index.html"}],"issue":null}}},{"period":"2020-Q4","end":"2020-12-31","start":"2020-10-01","values":{"total_revenue":2852.6},"issues":{},"observations":{"total_revenue":{"value":2852.6,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-21-000010","form":"10-K","filed":"2021-02-03","start":"2020-10-01","end":"2020-12-31","rawValue":2852600000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504521000010/0000875045-21-000010-index.html"}],"issue":null}}},{"period":"2020-Q3","end":"2020-09-30","start":"2020-07-01","values":{"total_revenue":3376.1},"issues":{},"observations":{"total_revenue":{"value":3376.1,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-20-000036","form":"10-Q","filed":"2020-10-21","start":"2020-07-01","end":"2020-09-30","rawValue":3376100000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000036/0000875045-20-000036-index.html"}],"issue":null}}},{"period":"2020-Q2","end":"2020-06-30","start":"2020-04-01","values":{"total_revenue":3681.6},"issues":{},"observations":{"total_revenue":{"value":3681.6,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-20-000022","form":"10-Q","filed":"2020-07-22","start":"2020-04-01","end":"2020-06-30","rawValue":3681600000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000022/0000875045-20-000022-index.html"}],"issue":null}}},{"period":"2020-Q1","end":"2020-03-31","start":"2020-01-01","values":{"total_revenue":3534.3},"issues":{},"observations":{"total_revenue":{"value":3534.3,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-20-000011","form":"10-Q","filed":"2020-04-23","start":"2020-01-01","end":"2020-03-31","rawValue":3534300000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000011/0000875045-20-000011-index.html"}],"issue":null}}},{"period":"2019-Q4","end":"2019-12-31","start":"2019-10-01","values":{"total_revenue":3671.3},"issues":{},"observations":{"total_revenue":{"value":3671.3,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-20-000005","form":"10-K","filed":"2020-02-06","start":"2019-10-01","end":"2019-12-31","rawValue":3671300000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504520000005/0000875045-20-000005-index.html"}],"issue":null}}},{"period":"2019-Q3","end":"2019-09-30","start":"2019-07-01","values":{"total_revenue":3600.1},"issues":{},"observations":{"total_revenue":{"value":3600.1,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-19-000041","form":"10-Q","filed":"2019-10-22","start":"2019-07-01","end":"2019-09-30","rawValue":3600100000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504519000041/0000875045-19-000041-index.html"}],"issue":null}}},{"period":"2019-Q2","end":"2019-06-30","start":"2019-04-01","values":{"total_revenue":3616.7},"issues":{},"observations":{"total_revenue":{"value":3616.7,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-19-000029","form":"10-Q","filed":"2019-07-24","start":"2019-04-01","end":"2019-06-30","rawValue":3616700000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504519000029/0000875045-19-000029-index.html"}],"issue":null}}},{"period":"2019-Q1","end":"2019-03-31","start":"2019-01-01","values":{"total_revenue":3489.8},"issues":{},"observations":{"total_revenue":{"value":3489.8,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-19-000017","form":"10-Q","filed":"2019-04-24","start":"2019-01-01","end":"2019-03-31","rawValue":3489800000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504519000017/0000875045-19-000017-index.html"}],"issue":null}}},{"period":"2018-Q4","end":"2018-12-31","start":"2018-10-01","values":{"total_revenue":3526.3},"issues":{},"observations":{"total_revenue":{"value":3526.3,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-19-000006","form":"10-K","filed":"2019-02-06","start":"2018-10-01","end":"2018-12-31","rawValue":3526300000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504519000006/0000875045-19-000006-index.html"}],"issue":null}}},{"period":"2018-Q3","end":"2018-09-30","start":"2018-07-01","values":{"total_revenue":3439},"issues":{},"observations":{"total_revenue":{"value":3439,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-18-000032","form":"10-Q","filed":"2018-10-23","start":"2018-07-01","end":"2018-09-30","rawValue":3439000000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504518000032/0000875045-18-000032-index.html"}],"issue":null}}},{"period":"2018-Q2","end":"2018-06-30","start":"2018-04-01","values":{"total_revenue":3356.5},"issues":{},"observations":{"total_revenue":{"value":3356.5,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-18-000019","form":"10-Q","filed":"2018-07-24","start":"2018-04-01","end":"2018-06-30","rawValue":3356500000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504518000019/0000875045-18-000019-index.html"}],"issue":null}}},{"period":"2018-Q1","end":"2018-03-31","start":"2018-01-01","values":{"total_revenue":3131.1},"issues":{},"observations":{"total_revenue":{"value":3131.1,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-18-000010","form":"10-Q","filed":"2018-04-24","start":"2018-01-01","end":"2018-03-31","rawValue":3131100000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504518000010/0000875045-18-000010-index.html"}],"issue":null}}},{"period":"2017-Q4","end":"2017-12-31","start":"2017-10-01","values":{"total_revenue":3307},"issues":{},"observations":{"total_revenue":{"value":3307,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-18-000005","form":"10-K","filed":"2018-02-01","start":"2017-10-01","end":"2017-12-31","rawValue":3307000000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504518000005/0000875045-18-000005-index.html"}],"issue":null}}},{"period":"2017-Q3","end":"2017-09-30","start":"2017-07-01","values":{"total_revenue":3077.8},"issues":{},"observations":{"total_revenue":{"value":3077.8,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-17-000029","form":"10-Q","filed":"2017-10-24","start":"2017-07-01","end":"2017-09-30","rawValue":3077800000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504517000029/0000875045-17-000029-index.html"}],"issue":null}}},{"period":"2017-Q2","end":"2017-06-30","start":"2017-04-01","values":{"total_revenue":3078.4},"issues":{},"observations":{"total_revenue":{"value":3078.4,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-17-000024","form":"10-Q","filed":"2017-07-25","start":"2017-04-01","end":"2017-06-30","rawValue":3078400000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504517000024/0000875045-17-000024-index.html"}],"issue":null}}},{"period":"2017-Q1","end":"2017-03-31","start":"2017-01-01","values":{"total_revenue":2810.7},"issues":{},"observations":{"total_revenue":{"value":2810.7,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-17-000017","form":"10-Q","filed":"2017-04-25","start":"2017-01-01","end":"2017-03-31","rawValue":2810700000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504517000017/0000875045-17-000017-index.html"}],"issue":null}}},{"period":"2016-Q4","end":"2016-12-31","start":"2016-10-01","values":{"total_revenue":2872},"issues":{},"observations":{"total_revenue":{"value":2872,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-17-000009","form":"10-K","filed":"2017-02-02","start":"2016-10-01","end":"2016-12-31","rawValue":2872000000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504517000009/0000875045-17-000009-index.html"}],"issue":null}}},{"period":"2016-Q3","end":"2016-09-30","start":"2016-07-01","values":{"total_revenue":2955.8},"issues":{},"observations":{"total_revenue":{"value":2955.8,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-16-000071","form":"10-Q","filed":"2016-10-26","start":"2016-07-01","end":"2016-09-30","rawValue":2955800000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504516000071/0000875045-16-000071-index.html"}],"issue":null}}},{"period":"2016-Q2","end":"2016-06-30","start":"2016-04-01","values":{"total_revenue":2894.2},"issues":{},"observations":{"total_revenue":{"value":2894.2,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-16-000065","form":"10-Q","filed":"2016-07-21","start":"2016-04-01","end":"2016-06-30","rawValue":2894200000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504516000065/0000875045-16-000065-index.html"}],"issue":null}}},{"period":"2016-Q1","end":"2016-03-31","start":"2016-01-01","values":{"total_revenue":2726.8},"issues":{},"observations":{"total_revenue":{"value":2726.8,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-16-000050","form":"10-Q","filed":"2016-04-21","start":"2016-01-01","end":"2016-03-31","rawValue":2726800000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504516000050/0000875045-16-000050-index.html"}],"issue":null}}},{"period":"2015-Q4","end":"2015-12-31","start":"2015-10-01","values":{"total_revenue":2839.3},"issues":{},"observations":{"total_revenue":{"value":2839.3,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-16-000042","form":"10-K","filed":"2016-02-03","start":"2015-10-01","end":"2015-12-31","rawValue":2839300000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504516000042/0000875045-16-000042-index.html"}],"issue":null}}},{"period":"2015-Q3","end":"2015-09-30","start":"2015-07-01","values":{"total_revenue":2777.859},"issues":{},"observations":{"total_revenue":{"value":2777.859,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-15-000034","form":"10-Q","filed":"2015-10-21","start":"2015-07-01","end":"2015-09-30","rawValue":2777859000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504515000034/0000875045-15-000034-index.html"}],"issue":null}}},{"period":"2015-Q2","end":"2015-06-30","start":"2015-04-01","values":{"total_revenue":2591.642},"issues":{},"observations":{"total_revenue":{"value":2591.642,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-15-000024","form":"10-Q","filed":"2015-07-24","start":"2015-04-01","end":"2015-06-30","rawValue":2591642000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504515000024/0000875045-15-000024-index.html"}],"issue":null}}},{"period":"2015-Q1","end":"2015-03-31","start":"2015-01-01","values":{"total_revenue":2554.963},"issues":{},"observations":{"total_revenue":{"value":2554.963,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-15-000014","form":"10-Q","filed":"2015-04-24","start":"2015-01-01","end":"2015-03-31","rawValue":2554963000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504515000014/0000875045-15-000014-index.html"}],"issue":null}}},{"period":"2014-Q4","end":"2014-12-31","start":"2014-10-01","values":{"total_revenue":2640.7},"issues":{},"observations":{"total_revenue":{"value":2640.7,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-15-000005","form":"10-K","filed":"2015-02-04","start":"2014-10-01","end":"2014-12-31","rawValue":2640700000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504515000005/0000875045-15-000005-index.html"}],"issue":null}}},{"period":"2014-Q3","end":"2014-09-30","start":"2014-07-01","values":{"total_revenue":2511.446},"issues":{},"observations":{"total_revenue":{"value":2511.446,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-14-000022","form":"10-Q","filed":"2014-10-22","start":"2014-07-01","end":"2014-09-30","rawValue":2511446000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504514000022/0000875045-14-000022-index.html"}],"issue":null}}},{"period":"2014-Q2","end":"2014-06-30","start":"2014-04-01","values":{"total_revenue":2421.452},"issues":{},"observations":{"total_revenue":{"value":2421.452,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-14-000016","form":"10-Q","filed":"2014-07-23","start":"2014-04-01","end":"2014-06-30","rawValue":2421452000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504514000016/0000875045-14-000016-index.html"}],"issue":null}}},{"period":"2014-Q1","end":"2014-03-31","start":"2014-01-01","values":{"total_revenue":2129.751},"issues":{},"observations":{"total_revenue":{"value":2129.751,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-14-000011","form":"10-Q","filed":"2014-04-23","start":"2014-01-01","end":"2014-03-31","rawValue":2129751000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504514000011/0000875045-14-000011-index.html"}],"issue":null}}},{"period":"2013-Q4","end":"2013-12-31","start":"2013-10-01","values":{"total_revenue":1965.9},"issues":{},"observations":{"total_revenue":{"value":1965.9,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-14-000004","form":"10-K","filed":"2014-02-06","start":"2013-10-01","end":"2013-12-31","rawValue":1965900000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504514000004/0000875045-14-000004-index.html"}],"issue":null}}},{"period":"2013-Q3","end":"2013-09-30","start":"2013-07-01","values":{"total_revenue":1827.78},"issues":{},"observations":{"total_revenue":{"value":1827.78,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-13-000034","form":"10-Q","filed":"2013-10-28","start":"2013-07-01","end":"2013-09-30","rawValue":1827780000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504513000034/0000875045-13-000034-index.html"}],"issue":null}}},{"period":"2013-Q2","end":"2013-06-30","start":"2013-04-01","values":{"total_revenue":1723.473},"issues":{},"observations":{"total_revenue":{"value":1723.473,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-13-000027","form":"10-Q","filed":"2013-07-25","start":"2013-04-01","end":"2013-06-30","rawValue":1723473000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504513000027/0000875045-13-000027-index.html"}],"issue":null}}},{"period":"2013-Q1","end":"2013-03-31","start":"2013-01-01","values":{"total_revenue":1415.096},"issues":{},"observations":{"total_revenue":{"value":1415.096,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-13-000018","form":"10-Q","filed":"2013-04-25","start":"2013-01-01","end":"2013-03-31","rawValue":1415096000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504513000018/0000875045-13-000018-index.html"}],"issue":null}}},{"period":"2012-Q4","end":"2012-12-31","start":"2012-10-01","values":{"total_revenue":1417.9},"issues":{},"observations":{"total_revenue":{"value":1417.9,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-13-000006","form":"10-K","filed":"2013-02-05","start":"2012-10-01","end":"2012-12-31","rawValue":1417900000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504513000006/0000875045-13-000006-index.html"}],"issue":null}}},{"period":"2012-Q3","end":"2012-09-30","start":"2012-07-01","values":{"total_revenue":1385.554},"issues":{},"observations":{"total_revenue":{"value":1385.554,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000875045-12-000010","form":"10-Q","filed":"2012-10-25","start":"2012-07-01","end":"2012-09-30","rawValue":1385554000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504512000010/0000875045-12-000010-index.html"}],"issue":null}}},{"period":"2012-Q2","end":"2012-06-30","start":"2012-04-01","values":{"total_revenue":1420.951},"issues":{},"observations":{"total_revenue":{"value":1420.951,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0001193125-12-312222","form":"10-Q","filed":"2012-07-24","start":"2012-04-01","end":"2012-06-30","rawValue":1420951000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000119312512312222/0001193125-12-312222-index.html"}],"issue":null}}},{"period":"2012-Q1","end":"2012-03-31","start":"2012-01-01","values":{"total_revenue":1292.014},"issues":{},"observations":{"total_revenue":{"value":1292.014,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0001193125-12-200855","form":"10-Q","filed":"2012-05-01","start":"2012-01-01","end":"2012-03-31","rawValue":1292014000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000119312512200855/0001193125-12-200855-index.html"}],"issue":null}}},{"period":"2011-Q4","end":"2011-12-31","start":"2011-10-01","values":{"total_revenue":1326.7},"issues":{},"observations":{"total_revenue":{"value":1326.7,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0001193125-12-039072","form":"10-K","filed":"2012-02-03","start":"2011-10-01","end":"2011-12-31","rawValue":1326700000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000119312512039072/0001193125-12-039072-index.html"}],"issue":null}}},{"period":"2011-Q3","end":"2011-09-30","start":"2011-07-01","values":{"total_revenue":1309.934},"issues":{},"observations":{"total_revenue":{"value":1309.934,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000950123-11-092986","form":"10-Q","filed":"2011-10-28","start":"2011-07-01","end":"2011-09-30","rawValue":1309934000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000095012311092986/0000950123-11-092986-index.html"}],"issue":null}}},{"period":"2011-Q2","end":"2011-06-30","start":"2011-04-01","values":{"total_revenue":1208.647},"issues":{},"observations":{"total_revenue":{"value":1208.647,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000950123-11-068367","form":"10-Q","filed":"2011-07-26","start":"2011-04-01","end":"2011-06-30","rawValue":1208647000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000095012311068367/0000950123-11-068367-index.html"}],"issue":null}}},{"period":"2011-Q1","end":"2011-03-31","start":"2011-01-01","values":{"total_revenue":1203.342},"issues":{},"observations":{"total_revenue":{"value":1203.342,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000950123-11-037561","form":"10-Q","filed":"2011-04-21","start":"2011-01-01","end":"2011-03-31","rawValue":1203342000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000095012311037561/0000950123-11-037561-index.html"}],"issue":null}}},{"period":"2010-Q4","end":"2010-12-31","start":"2010-10-01","values":{"total_revenue":1219},"issues":{},"observations":{"total_revenue":{"value":1219,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000950123-11-009300","form":"10-K","filed":"2011-02-04","start":"2010-10-01","end":"2010-12-31","rawValue":1219000000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000095012311009300/0000950123-11-009300-index.html"}],"issue":null}}},{"period":"2010-Q3","end":"2010-09-30","start":"2010-07-01","values":{"total_revenue":1175.789},"issues":{},"observations":{"total_revenue":{"value":1175.789,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000950123-10-096037","form":"10-Q","filed":"2010-10-26","start":"2010-07-01","end":"2010-09-30","rawValue":1175789000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000095012310096037/0000950123-10-096037-index.html"}],"issue":null}}},{"period":"2010-Q2","end":"2010-06-30","start":"2010-04-01","values":{"total_revenue":1212.702},"issues":{},"observations":{"total_revenue":{"value":1212.702,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000950123-10-066527","form":"10-Q","filed":"2010-07-20","start":"2010-04-01","end":"2010-06-30","rawValue":1212702000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000095012310066527/0000950123-10-066527-index.html"}],"issue":null}}},{"period":"2010-Q1","end":"2010-03-31","start":"2010-01-01","values":{"total_revenue":1108.86},"issues":{},"observations":{"total_revenue":{"value":1108.86,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000950123-10-036233","form":"10-Q","filed":"2010-04-20","start":"2010-01-01","end":"2010-03-31","rawValue":1108860000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000095012310036233/0000950123-10-036233-index.html"}],"issue":null}}},{"period":"2009-Q4","end":"2009-12-31","start":"2009-10-01","values":{"total_revenue":1127},"issues":{},"observations":{"total_revenue":{"value":1127,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000950123-11-009300","form":"10-K","filed":"2011-02-04","start":"2009-10-01","end":"2009-12-31","rawValue":1127000000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000095012311009300/0000950123-11-009300-index.html"}],"issue":null}}},{"period":"2009-Q3","end":"2009-09-30","start":"2009-07-01","values":{"total_revenue":1120.518},"issues":{},"observations":{"total_revenue":{"value":1120.518,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000950123-09-051956","form":"10-Q","filed":"2009-10-21","start":"2009-07-01","end":"2009-09-30","rawValue":1120518000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000095012309051956/0000950123-09-051956-index.html"}],"issue":null}}},{"period":"2009-Q2","end":"2009-06-30","start":"2009-04-01","values":{"total_revenue":1093.289},"issues":{},"observations":{"total_revenue":{"value":1093.289,"method":"reported","evidence":[{"sourceId":"sec-0000875045-e49b5a3bbf14","tag":"us-gaap:Revenues","accession":"0000950123-09-022892","form":"10-Q","filed":"2009-07-17","start":"2009-04-01","end":"2009-06-30","rawValue":1093289000,"unit":"USD","url":"https://www.sec.gov/Archives/edgar/data/875045/000095012309022892/0000950123-09-022892-index.html"}],"issue":null}}}],"pagination":{"total":68,"limit":200,"offset":0,"order":"newest_first","nextOffset":null},"coverage":{"from":"2009-06-30","through":"2026-06-30","dailyValuation":false},"sources":[{"url":"https://data.sec.gov/api/xbrl/companyfacts/CIK0000875045.json","retrievedAt":"2026-09-28T07:37:41.538Z","sha256":"e49b5a3bbf14de0fb7d239cc7824bd2fd0df6e7d76ccea2ef08421f0f26763e0","cik":"0000875045","id":"sec-0000875045-e49b5a3bbf14"},{"sha256":"6cb9ce01311f3212bc05b30a7897039216c1158c1bb142afa5406721dc8ff786","retrievedAt":"2026-09-28T07:37:41.538Z","url":"https://www.sec.gov/Archives/edgar/data/875045/000087504526000075/biib-20260630.htm","cik":"0000875045","id":"inline-0000875045-6cb9ce01311f","kind":"inline-xbrl"},{"url":"https://www.sec.gov/Archives/edgar/data/875045/000087504526000013/biib-20251231.htm","sha256":"2d28ebc7a09516b9444c922a0b6a0f99db24cabada7b110bf34c0d7ed90dc442","retrievedAt":"2026-10-18T00:09:22.808Z","cik":"0000875045","id":"inline-0000875045-2d28ebc7a095","kind":"inline-xbrl"},{"url":"https://www.sec.gov/Archives/edgar/data/875045/000087504524000009/biib-20231231.htm","sha256":"0e41d664b52f8cd5965fedc8a407e12521a7f0fbf60734f484f399d6956b49a1","retrievedAt":"2026-10-18T12:29:14.488Z","cik":"0000875045","id":"inline-0000875045-0e41d664b52f","kind":"inline-xbrl"}],"pendingFiling":null,"market":{"currency":"USD","url":"https://query1.finance.yahoo.com/v8/finance/chart/BIIB?interval=1d&period1=946684800&period2=1790581061&events=splits","source":"Yahoo Finance","retrievedAt":"2026-09-28T07:37:41.538Z","sha256":"d6891d9d10f632d275ad3844a23facd5ec7ca93d186d4d7c1bff859dc5fae44e","latest":{"date":"2026-09-25","close":227.60000610351562}},"rawDataPath":"/api/v2/financials/biib","notes":["Null means an unavailable input or undefined calculation, never zero. Values are unrounded; money and shares are in millions unless a column states otherwise.","Fiscal periods use actual reporting start/end dates. Annual reported values are not constructed by adding quarterly EPS or weighted share counts. Partial years are labelled.","FCF uses operating cash flow minus reported cash capital investment, preferring PPE purchases. The productive-assets fallback can also include software and intangibles. Acquisitions and noncash leases are excluded. Deduct SBC is an optional economic-cost scenario; missing SBC remains unavailable.","SBC / FCF and SBC / OCF compare amounts from the same fiscal period. SBC / FCF always uses FCF before SBC deduction; nonpositive denominators are undefined and values above 100% remain valid.","Capital allocation percentages describe available tracked cash uses, not all company spending or a fraction of OCF. Missing categories remain null, negative payments are excluded and SBC is noncash. Annual shares use reported annual amounts.","Valuation uses completed, split-adjusted closes without dividend adjustment and a complete trailing year. Financial bases become eligible after publication; selected facts can contain later restatements. This is not a vintage-filings backtest.","Mean and median use all valid observations in the selected date range before pagination. Historical pricing labels compare the latest positive value with its own median and do not estimate intrinsic fair value.","Reporting currencies are retained without conversion. USD market capitalization, where available, is a separate dated Nasdaq snapshot.","WACC is an editable US industry scenario across history, not a historical company cost of capital. Industry exclusions, missing inputs and pending filings remain explicit."],"source":"database","lastValidatedAt":"2026-10-18T16:48:35.628Z","lastCheckedAt":"2026-10-18T16:48:35.628Z"}