Aon plc (AON) /

The debt of Aon plc over the past 10 years

Chart Aon plc: liquid cash, total debt, net cash, fiscal 2016–2025 Open the chart →

At the end of fiscal 2025, the latest fiscal year on file, Aon plc had liquid cash of $2.8B and total debt of $15.25B: net debt of $12.45B. It had more debt than liquid cash at all 10 year-ends shown. Total debt was highest at the end of fiscal 2024 ($17.02B) and lowest at the end of fiscal 2017 ($5.97B).

Year by year

Fiscal yearLiquid cashTotal debt*Net cash*
2025ended Dec 31, 2025$2.8B*$15.25B-$12.45B
2024ended Dec 31, 2024$1.3B*$17.02B-$15.71B
2023ended Dec 31, 2023$1.15B*$11.2B-$10.05B
2022ended Dec 31, 2022$1.14B*$10.77B-$9.63B
2021ended Dec 31, 2021$836M*$9.39B-$8.56B
2020ended Dec 31, 2020$1.19B*$7.73B-$6.54B
2019ended Dec 31, 2019$928M*$7.34B-$6.41B
2018ended Dec 31, 2018$828M*$6.24B-$5.42B
2017ended Dec 31, 2017$1.28B*$5.97B-$4.68B
2016ended Dec 31, 2016$716M*$6.21B-$5.49B

Fiscal years as Aon plc reports them. * Calculated by us from the company's filed figures; — no figure on file. From SEC filings, updated nightly. How each line is read.

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Not investment advice. This page shows what Aon plc filed with the SEC. Nothing here is a recommendation about any security. Check important figures against the company's own filings.