Unrecognized Tax Benefits of BIOGEN INC. from 31 Dec 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
BIOGEN INC. quarterly Unrecognized Tax Benefits in USD history and change rate from 31 Dec 2010 to 31 Dec 2025.
  • BIOGEN INC. Unrecognized Tax Benefits for the quarter ending 31 Dec 2025 was $180,000,000, a 3.4% decline year-over-year.
Source SEC data
View on sec.gov
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Change (%)

BIOGEN INC. Quarterly Unrecognized Tax Benefits (USD)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 $180,000,000 -$6,300,000 -3.4% 31 Dec 2025 10-K 06 Feb 2026 2025 FY
Q4 2024 $186,300,000 +$12,900,000 +7.4% 31 Dec 2024 10-K 06 Feb 2026 2025 FY
Q4 2023 $173,400,000 -$433,000,000 -71% 31 Dec 2023 10-K 06 Feb 2026 2025 FY
Q4 2022 $606,400,000 +$43,000,000 +7.6% 31 Dec 2022 10-K 06 Feb 2026 2025 FY
Q4 2021 $563,400,000 +$487,700,000 +644% 31 Dec 2021 10-K 12 Feb 2025 2024 FY
Q4 2020 $75,700,000 -$54,200,000 -42% 31 Dec 2020 10-K 14 Feb 2024 2023 FY
Q4 2019 $129,900,000 +$15,700,000 +14% 31 Dec 2019 10-K 15 Feb 2023 2022 FY
Q4 2018 $114,200,000 +$47,400,000 +71% 31 Dec 2018 10-K 03 Feb 2022 2021 FY
Q4 2017 $66,800,000 +$34,400,000 +106% 31 Dec 2017 10-K 03 Feb 2021 2020 FY
Q4 2016 $32,400,000 -$35,500,000 -52% 31 Dec 2016 10-K 06 Feb 2020 2019 FY
Q4 2015 $67,900,000 -$63,600,000 -48% 31 Dec 2015 10-K 06 Feb 2019 2018 FY
Q3 2015 $24,000,000 30 Sep 2015 10-Q 26 Oct 2016 2016 Q3
Q2 2015 $24,000,000 30 Jun 2015 10-Q 21 Jul 2016 2016 Q2
Q1 2015 $16,400,000 31 Mar 2015 10-Q 21 Apr 2016 2016 Q1
Q4 2014 $131,500,000 +$21,400,000 +19% 31 Dec 2014 10-K 01 Feb 2018 2017 FY
Q4 2013 $110,100,000 -$15,800,000 -13% 31 Dec 2013 10-K 02 Feb 2017 2016 FY
Q4 2012 $125,900,000 +$61,500,000 +95% 31 Dec 2012 10-K 03 Feb 2016 2015 FY
Q4 2011 $64,400,000 -$57,100,000 -47% 31 Dec 2011 10-K 04 Feb 2015 2014 FY
Q4 2010 $121,500,000 31 Dec 2010 10-K 06 Feb 2014 2013 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.