BIOGEN INC. Quarterly Unrecognized Tax Benefits in USD from Q4 2010 to Q4 2023

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
Biogen Inc. quarterly Unrecognized Tax Benefits history and growth rate from Q4 2010 to Q4 2023.
  • Biogen Inc. Unrecognized Tax Benefits for the quarter ending December 31, 2023 was $173M, a 71.4% decline year-over-year.
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Growth (%)
Period Value YoY Chg Change % Date Report Filed
Q4 2023 $173M -$433M -71.4% Dec 31, 2023 10-K 2024-02-14
Q4 2022 $606M +$43M +7.63% Dec 31, 2022 10-K 2024-02-14
Q4 2021 $563M +$488M +644% Dec 31, 2021 10-K 2024-02-14
Q4 2020 $75.7M -$54.2M -41.7% Dec 31, 2020 10-K 2024-02-14
Q4 2019 $130M +$15.7M +13.7% Dec 31, 2019 10-K 2023-02-15
Q4 2018 $114M +$47.4M +71% Dec 31, 2018 10-K 2022-02-03
Q4 2017 $66.8M +$34.4M +106% Dec 31, 2017 10-K 2021-02-03
Q4 2016 $32.4M -$35.5M -52.3% Dec 31, 2016 10-K 2020-02-06
Q4 2015 $67.9M -$63.6M -48.4% Dec 31, 2015 10-K 2019-02-06
Q3 2015 $24M Sep 30, 2015 10-Q 2016-10-26
Q2 2015 $24M Jun 30, 2015 10-Q 2016-07-21
Q1 2015 $16.4M Mar 31, 2015 10-Q 2016-04-21
Q4 2014 $132M +$21.4M +19.4% Dec 31, 2014 10-K 2018-02-01
Q4 2013 $110M -$15.8M -12.6% Dec 31, 2013 10-K 2017-02-02
Q4 2012 $126M +$61.5M +95.5% Dec 31, 2012 10-K 2016-02-03
Q4 2011 $64.4M -$57.1M -47% Dec 31, 2011 10-K 2015-02-04
Q4 2010 $122M Dec 31, 2010 10-K 2014-02-06
* An asterisk sign (*) next to the value indicates that the value is likely invalid.