Unrecognized Tax Benefits of Aon plc from 31 Dec 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
Aon plc quarterly Unrecognized Tax Benefits in USD history and change rate from 31 Dec 2010 to 31 Dec 2025.
  • Aon plc Unrecognized Tax Benefits for the quarter ending 31 Dec 2025 was $767,000,000, a 6.2% increase year-over-year.
Source SEC data
View on sec.gov
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Change (%)

Aon plc Quarterly Unrecognized Tax Benefits (USD)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 $767,000,000 +$45,000,000 +6.2% 31 Dec 2025 10-K 13 Feb 2026 2025 FY
Q4 2024 $722,000,000 +$85,000,000 +13% 31 Dec 2024 10-K 13 Feb 2026 2025 FY
Q4 2023 $637,000,000 +$36,000,000 +6% 31 Dec 2023 10-K 13 Feb 2026 2025 FY
Q4 2022 $601,000,000 +$254,000,000 +73% 31 Dec 2022 10-K 18 Feb 2025 2024 FY
Q4 2021 $347,000,000 +$26,000,000 +8.1% 31 Dec 2021 10-K 16 Feb 2024 2023 FY
Q4 2020 $321,000,000 +$22,000,000 +7.4% 31 Dec 2020 10-K 17 Feb 2023 2022 FY
Q4 2019 $299,000,000 +$20,000,000 +7.2% 31 Dec 2019 10-K 18 Feb 2022 2021 FY
Q4 2018 $279,000,000 -$1,000,000 -0.36% 31 Dec 2018 10-K 19 Feb 2021 2020 FY
Q4 2017 $280,000,000 +$2,000,000 +0.72% 31 Dec 2017 8-K 01 Apr 2020
Q4 2016 $278,000,000 +$40,000,000 +17% 31 Dec 2016 10-K 19 Feb 2019 2018 FY
Q4 2015 $238,000,000 +$27,000,000 +13% 31 Dec 2015 10-K 20 Feb 2018 2017 FY
Q4 2014 $211,000,000 +$47,000,000 +29% 31 Dec 2014 10-K 23 Feb 2017 2016 FY
Q4 2013 $164,000,000 +$8,000,000 +5.1% 31 Dec 2013 10-K 22 Feb 2016 2015 FY
Q4 2012 $156,000,000 +$38,000,000 +32% 31 Dec 2012 10-K 24 Feb 2015 2014 FY
Q4 2011 $118,000,000 +$18,000,000 +18% 31 Dec 2011 10-K 18 Feb 2014 2013 FY
Q4 2010 $100,000,000 31 Dec 2010 10-K 22 Feb 2013 2012 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.