Aon PLC (AON) — Free Cash Flow Generation Index
Latest as of June 2026:
0.87x
Aon PLC (AON) has a Free Cash Flow Generation Index of 0.87x as of June 2026. Free cash flow of $483.00 Million represents 1% of operating cash flow ($556.00 Million). Explore AON capital reinvestment ratio to see what proportion of operating cash flow is directed to capital expenditures.
FCF Generation Index
0.87x
Free Cash Flow / Operating CF
Free Cash Flow
$483.00 Million
USD
Operating Cash Flow
$556.00 Million
USD
Capital Expenditures
$73.00 Million
USD
Aon PLC Free Cash Flow Generation Index (1990–2025)
Historical FCF Generation Index trend for Aon PLC across 36 annual periods. For the full cash flow conversion analysis, see AON cash generation efficiency.
Annual Free Cash Flow Generation for Aon PLC (1990–2025)
Year-by-year Free Cash Flow Generation Index for Aon PLC. Check AON cash flow reinvestment rate to assess the company's total reinvestment commitment from operating cash flow.
| Year | FCG Index | Free Cash Flow (USD) | Operating CF | Capital Expenditures | YoY Change |
|---|---|---|---|---|---|
| 2025 | 0.92x | $3.22 Billion | $3.48 Billion | $263.00 Million | ▼ -0.4% |
| 2024 | 0.93x | $2.82 Billion | $3.04 Billion | $218.00 Million | ▲ +0.2% |
| 2023 | 0.93x | $3.18 Billion | $3.44 Billion | $252.00 Million | ▼ -1.3% |
| 2022 | 0.94x | $3.02 Billion | $3.22 Billion | $196.00 Million | ▲ +0.2% |
| 2021 | 0.94x | $2.04 Billion | $2.18 Billion | $137.00 Million | ▼ -1.3% |
| 2020 | 0.95x | $2.64 Billion | $2.78 Billion | $141.00 Million | ▲ +8.2% |
| 2019 | 0.88x | $1.61 Billion | $1.83 Billion | $225.00 Million | ▲ +2.3% |
| 2018 | 0.86x | $1.45 Billion | $1.69 Billion | $240.00 Million | ▲ +14.2% |
| 2017 | 0.75x | $551.00 Million | $734.00 Million | $183.00 Million | ▼ -17.0% |
| 2016 | 0.90x | $2.10 Billion | $2.33 Billion | $222.00 Million | ▲ +5.7% |
| 2015 | 0.86x | $1.72 Billion | $2.01 Billion | $290.00 Million | ▲ +1.4% |
| 2014 | 0.84x | $1.39 Billion | $1.64 Billion | $256.00 Million | ▼ -1.8% |
| 2013 | 0.86x | $1.40 Billion | $1.63 Billion | $229.00 Million | ▲ +6.1% |
| 2012 | 0.81x | $1.15 Billion | $1.42 Billion | $269.00 Million | ▲ +6.2% |
| 2011 | 0.76x | $777.00 Million | $1.02 Billion | $241.00 Million | ▼ -1.0% |
| 2010 | 0.77x | $607.00 Million | $787.00 Million | $180.00 Million | ▲ +23.1% |
| 2009 | 0.63x | $235.00 Million | $375.00 Million | $140.00 Million | ▼ -29.8% |
| 2008 | 0.89x | $856.00 Million | $959.00 Million | $103.00 Million | ▲ +2.8% |
| 2007 | 0.87x | $1.12 Billion | $1.29 Billion | $170.00 Million | ▲ +3.0% |
| 2006 | 0.84x | $816.00 Million | $968.00 Million | $152.00 Million | ▼ -1.7% |
| 2005 | 0.86x | $760.00 Million | $886.00 Million | $126.00 Million | ▼ -8.0% |
| 2004 | 0.93x | $1.10 Billion | $1.18 Billion | $80.00 Million | ▲ +8.5% |
| 2003 | 0.86x | $1.13 Billion | $1.31 Billion | $185.00 Million | ▲ +10.7% |
| 2002 | 0.78x | $964.00 Million | $1.24 Billion | $278.00 Million | ▲ +56.1% |
| 2001 | 0.50x | $278.00 Million | $559.00 Million | $281.00 Million | ▼ -34.4% |
| 2000 | 0.76x | $560.00 Million | $739.00 Million | $179.00 Million | ▲ +83.3% |
| 1999 | 0.41x | $191.00 Million | $462.00 Million | $271.00 Million | ▼ -36.7% |
| 1998 | 0.65x | $564.00 Million | $864.00 Million | $300.00 Million | ▲ +150.6% |
| 1997 | -1.29x | $-1.01 Billion | $784.10 Million | $1.79 Billion | ▼ -263.4% |
| 1996 | 0.79x | $279.80 Million | $354.60 Million | $74.80 Million | ▼ -6.0% |
| 1995 | 0.84x | $511.70 Million | $609.60 Million | $97.90 Million | ▼ -5.6% |
| 1994 | 0.89x | $618.90 Million | $695.80 Million | $76.90 Million | ▼ -3.5% |
| 1993 | 0.92x | $557.70 Million | $604.80 Million | $47.10 Million | ▲ +2.2% |
| 1992 | 0.90x | $522.00 Million | $578.70 Million | $56.70 Million | ▼ -7.0% |
| 1991 | 0.97x | $659.10 Million | $679.30 Million | $20.20 Million | ▼ -0.9% |
| 1990 | 0.98x | $1.21 Billion | $1.24 Billion | $26.00 Million | — |
FCG Index = Free Cash Flow / Operating Cash Flow. FCF = Operating CF + Capital Expenditures (capex stored negative).