Unrecognized Tax Benefits of SOUTHERN CO from 30 Jun 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
SOUTHERN CO quarterly Unrecognized Tax Benefits in USD history and change rate from 30 Jun 2010 to 31 Dec 2025.
  • SOUTHERN CO Unrecognized Tax Benefits for the quarter ending 31 Dec 2025 was $170,000,000, a 107% increase year-over-year.
Source SEC data
View on sec.gov
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Change (%)

SOUTHERN CO Quarterly Unrecognized Tax Benefits (USD)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 $170,000,000 +$88,000,000 +107% 31 Dec 2025 10-K 19 Feb 2026 2025 FY
Q3 2025 $380,000,000 +$307,000,000 +421% 30 Sep 2025 10-Q 30 Oct 2025 2025 Q3
Q2 2025 $382,000,000 +$309,000,000 +423% 30 Jun 2025 10-Q 31 Jul 2025 2025 Q2
Q4 2024 $82,000,000 -$34,000,000 -29% 31 Dec 2024 10-K 19 Feb 2026 2025 FY
Q3 2024 $73,000,000 30 Sep 2024 10-Q 31 Oct 2024 2024 Q3
Q2 2024 $73,000,000 30 Jun 2024 10-Q 01 Aug 2024 2024 Q2
Q4 2023 $116,000,000 +$36,000,000 +45% 31 Dec 2023 10-K 19 Feb 2026 2025 FY
Q4 2022 $80,000,000 +$33,000,000 +70% 31 Dec 2022 10-K 19 Feb 2026 2025 FY
Q3 2022 $79,000,000 30 Sep 2022 10-Q 27 Oct 2022 2022 Q3
Q4 2021 $47,000,000 +$3,000,000 +6.8% 31 Dec 2021 10-K 20 Feb 2025 2024 FY
Q4 2020 $44,000,000 +$44,000,000 31 Dec 2020 10-K 15 Feb 2024 2023 FY
Q4 2019 $0 $0 31 Dec 2019 10-K 16 Feb 2023 2022 FY
Q4 2018 $0 -$18,000,000 -100% 31 Dec 2018 10-K 17 Feb 2022 2021 FY
Q4 2017 $18,000,000 -$466,000,000 -96% 31 Dec 2017 10-K 18 Feb 2021 2020 FY
Q3 2017 $17,000,000 -$441,000,000 -96% 30 Sep 2017 10-Q 01 Nov 2017 2017 Q3
Q2 2017 $501,000,000 +$58,000,000 +13% 30 Jun 2017 10-Q 02 Aug 2017 2017 Q2
Q1 2017 $500,000,000 +$62,000,000 +14% 31 Mar 2017 10-Q 03 May 2017 2017 Q1
Q4 2016 $484,000,000 +$51,000,000 +12% 31 Dec 2016 10-K 20 Feb 2020 2019 FY
Q3 2016 $458,000,000 -$199,000,000 -30% 30 Sep 2016 10-Q 04 Nov 2016 2016 Q3
Q2 2016 $443,000,000 +$45,000,000 +11% 30 Jun 2016 10-Q 08 Aug 2016 2016 Q2
Q1 2016 $438,000,000 31 Mar 2016 10-Q 05 May 2016 2016 Q1
Q4 2015 $433,000,000 +$263,000,000 +155% 31 Dec 2015 10-K 20 Feb 2019 2018 FY
Q3 2015 $657,000,000 30 Sep 2015 10-Q 05 Nov 2015 2015 Q3
Q2 2015 $398,000,000 30 Jun 2015 10-Q 05 Aug 2015 2015 Q2
Q4 2014 $170,000,000 +$163,000,000 +2329% 31 Dec 2014 10-K 21 Feb 2018 2017 FY
Q4 2013 $7,000,000 -$63,000,000 -90% 31 Dec 2013 10-K 22 Feb 2017 2016 FY
Q3 2013 $7,000,000 -$91,000,000 -93% 30 Sep 2013 10-Q 06 Nov 2013 2013 Q3
Q2 2013 $76,000,000 -$17,000,000 -18% 30 Jun 2013 10-Q 06 Aug 2013 2013 Q2
Q1 2013 $73,000,000 -$39,000,000 -35% 31 Mar 2013 10-Q 10 May 2013 2013 Q1
Q4 2012 $70,000,000 -$50,000,000 -42% 31 Dec 2012 10-K 26 Feb 2016 2015 FY
Q3 2012 $98,000,000 -$21,000,000 -18% 30 Sep 2012 10-Q 07 Nov 2012 2012 Q3
Q2 2012 $93,000,000 -$67,000,000 -42% 30 Jun 2012 10-Q 06 Aug 2012 2012 Q2
Q1 2012 $112,000,000 -$192,000,000 -63% 31 Mar 2012 10-Q 07 May 2012 2012 Q1
Q4 2011 $120,000,000 -$176,000,000 -59% 31 Dec 2011 10-K 02 Mar 2015 2014 FY
Q3 2011 $119,000,000 -$152,000,000 -56% 30 Sep 2011 10-Q 07 Nov 2011 2011 Q3
Q2 2011 $160,000,000 -$35,000,000 -18% 30 Jun 2011 10-Q 05 Aug 2011 2011 Q2
Q1 2011 $304,000,000 31 Mar 2011 10-Q 06 May 2011 2011 Q1
Q4 2010 $296,000,000 31 Dec 2010 10-K 27 Feb 2014 2013 FY
Q3 2010 $271,000,000 30 Sep 2010 10-Q 05 Nov 2010 2010 Q3
Q2 2010 $195,000,000 30 Jun 2010 10-Q 06 Aug 2010 2010 Q2
* An asterisk sign (*) next to the value indicates that the value is likely invalid.