What is the current annual D&A of AON?

As of today, AON annual D&A is $966.00M

What is 1-year change in AON annual D&A?

AON annual D&A is up +40.82% year-over-year

What is 3-year change in AON annual D&A?

AON annual D&A is up +265.91% over the past 3 years

How far is AON annual D&A from its all-time high?

AON annual D&A is currently at its all-time high

How does AON annual D&A rank versus sector peers?

AON annual D&A is higher than 93.41% of companies in Financial Services sector

When is AON next annual earnings release?

As of today, the next annual earnings release for AON has not been scheduled

What is the current quarterly D&A of AON?

As of today, AON quarterly D&A is $233.00M

What is AON quarterly D&A most recent change?

AON quarterly D&A was down -2.92% on December 31, 2025

What is 1-year change in AON quarterly D&A?

AON quarterly D&A is up +0.43% year-over-year

How far is AON quarterly D&A from its all-time high?

AON quarterly D&A is currently -54.67% below its historical high of $514.00M set on June 30, 2017

How does AON quarterly D&A rank versus sector peers?

AON quarterly D&A is higher than 92.78% of companies in Financial Services sector

When is AON next earnings release?

The next earnings release for AON is on May 1, 2026

What is the current TTM D&A of AON?

As of today, AON TTM D&A is $966.00M

What is AON TTM D&A most recent change?

AON TTM D&A was up +0.10% on December 31, 2025

What is 1-year change in AON TTM D&A?

AON TTM D&A is up +40.82% year-over-year

How far is AON TTM D&A from its all-time high?

AON TTM D&A is currently at its all-time high

How does AON TTM D&A rank versus sector peers?

AON TTM D&A is higher than 94.95% of companies in Financial Services sector

When is AON next earnings release?

The next earnings release for AON is on May 1, 2026

Aon Plc (AON) Depreciation And Amortization History & Chart

Annual D&A

$966.00M$280.00M+40.82%

December 31, 2025

Summary

Current Value: As of today, AON annual D&A is $966.00M, up +40.82% on December 31, 2025
Historical Performance: AON annual D&A is up +265.91% over the past 3 years, up +133.90% over the past 5 years
All-Time High Comparison: AON annual D&A is currently at its all-time high
3-Year Low Comparison: AON annual D&A is +277.34% above its 3-year low of $256.00M reached on December 31, 2023
Sector Comparison: AON annual D&A is higher than 93.41% of companies in Financial Services sector

Depreciation & Amortization Chart

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Performance

AON Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
	Dec 31, 25	$966.00M	+40.8%	+265.9%	+133.9%	+216.7%
	Dec 31, 25	$233.00M	+0.4%	+275.8%	+177.4%	+84.9%
	Dec 31, 25	$966.00M	+40.8%	+265.9%	+133.9%	+216.7%
Price	Mar 12, 26	$315.91	-19.9%	+7.7%	+38.6%	+516.4%
	Dec 31, 25	$0.00	0.0%	0.0%	0.0%	0.0%
	Dec 31, 25	$13.49B	+3.0%	+36.3%	+48.4%	+73.4%
	Dec 31, 25	-$4.71B	-147.4%	-161.2%	-166.0%	-384.7%
Annual Revenue	Dec 31, 25	$17.29B	+9.8%	+38.5%	+56.4%	+103.2%

Depreciation & Amortization Highs

AON Annual D&A Highs Comparison
Period	High	Date	Current
3Y	$966.00M	Dec 31, 25	at high
5Y	$966.00M	Dec 31, 25	at high
All	$966.00M	Dec 31, 25	at high

Depreciation & Amortization Lows

AON Annual D&A Lows Comparison
Period	Low	Date	Current
3Y	$256.00M	Dec 31, 23	+277.3%
5Y	$256.00M	Dec 31, 23	+277.3%
All	$33.63M	Dec 1, 80	+2772.5%

Depreciation & Amortization History

Year	Value	Change
2025	$966.00M	+40.8%
2024	$686.00M	+168.0%
2023	$256.00M	-3.0%
2022	$264.00M	-19.0%
2021	$326.00M	-21.1%
2020	$413.00M	-26.8%
2019	$564.00M	-26.7%
2018	$769.00M	-13.7%
2017	$891.00M	+179.3%
2016	$319.00M	-41.3%
2015	$543.00M	-8.6%
2014	$594.00M	-6.5%
2013	$635.00M	-3.1%
2012	$655.00M	+12.5%
2011	$582.00M	+90.8%
2010	$305.00M	+26.0%
2009	$242.00M	+9.0%
2008	$222.00M	+8.3%
2007	$205.00M	-16.0%
2006	$244.00M	-11.9%
2005	$277.00M	-10.4%
2004	$309.00M	-1.6%
2003	$314.00M	+19.4%

Year	Value	Change
2002	$263.00M	-22.4%
2001	$339.00M	+1.8%
2000	$333.00M	-44.7%
1999	$602.00M	+24.4%
1998	$484.00M	+7.7%
1997	$449.40M	+18.4%
1996	$379.60M	-17.6%
1995	$460.60M	+8.2%
1994	$425.70M	+6.5%
1993	$399.80M	+12.0%
1992	$357.00M	+3.1%
1991	$346.20M	+29.4%
1990	$267.50M	+24.4%
1989	$215.03M	+1.1%
1988	$212.66M	+8.6%
1987	$195.75M	+17.2%
1986	$167.03M	+19.1%
1985	$140.25M	+9.0%
1984	$128.65M	+11.0%
1983	$115.95M	+83.4%
1982	$63.21M	+69.8%
1981	$37.21M	+10.7%
1980	$33.63M	-

FAQ

What is the current annual D&A of AON?
As of today, AON annual D&A is $966.00M
What is 1-year change in AON annual D&A?
AON annual D&A is up +40.82% year-over-year
What is 3-year change in AON annual D&A?
AON annual D&A is up +265.91% over the past 3 years
How far is AON annual D&A from its all-time high?
AON annual D&A is currently at its all-time high
How does AON annual D&A rank versus sector peers?
AON annual D&A is higher than 93.41% of companies in Financial Services sector
When is AON next annual earnings release?
As of today, the next annual earnings release for AON has not been scheduled

Quarterly D&A

$233.00M$7.00M-2.92%

December 31, 2025

Summary

Current Value: As of today, AON quarterly D&A is $233.00M, down -2.92% on December 31, 2025
Historical Performance: AON quarterly D&A is up +0.43% year-over-year, up +275.81% over the past 3 years
All-Time High Comparison: AON quarterly D&A is currently -54.67% below its historical high of $514.00M set on June 30, 2017
3-Year Low Comparison: AON quarterly D&A is +288.33% above its 3-year low of $60.00M reached on March 31, 2024
Sector Comparison: AON quarterly D&A is higher than 92.78% of companies in Financial Services sector

Performance

AON Performance
Metric	Date	Value	3M	1Y	3Y	5Y
	Dec 31, 25	$233.00M	-2.9%	+0.4%	+275.8%	+177.4%
	Dec 31, 25	$966.00M	–	+40.8%	+265.9%	+133.9%
	Dec 31, 25	$966.00M	+0.1%	+40.8%	+265.9%	+133.9%
Price	Mar 12, 26	$315.91	-10.7%	-19.9%	+7.7%	+38.6%
	Dec 31, 25	$0.00	0.0%	0.0%	0.0%	0.0%
	Dec 31, 25	$2.61B	-26.4%	-23.6%	+4.5%	+5.8%
	Dec 31, 25	$2.49B	-7.3%	-1.6%	+34.9%	+26.0%
Quarterly Revenue	Dec 31, 25	$4.30B	+7.6%	+4.2%	+36.4%	+43.9%

Quarterly D&A Highs

AON Quarterly D&A Highs Comparison
Period	High	Date	Current
1Y	$248.00M	Jun 30, 25	-6.0%
3Y	$248.00M	Jun 30, 25	-6.0%
5Y	$248.00M	Jun 30, 25	-6.0%
All	$514.00M	Jun 30, 17	-54.7%

Quarterly D&A Lows

AON Quarterly D&A Lows Comparison
Period	Low	Date	Current
1Y	$232.00M	N/A	+0.4%
3Y	$60.00M	Mar 31, 24	+288.3%
5Y	$60.00M	Mar 31, 24	+288.3%
All	$49.00M	Jun 30, 07	+375.5%

Quarterly D&A History

Month	Value	Change
Dec 2025	$233.00M	-2.9%
Sep 2025	$240.00M	-3.2%
Jun 2025	$248.00M	+1.2%
Mar 2025	$245.00M	+5.6%
Dec 2024	$232.00M	+5.0%
Sep 2024	$221.00M	+27.7%
Jun 2024	$173.00M	+188.3%
Mar 2024	$60.00M	-10.4%
Dec 2023	$67.00M	+8.1%
Sep 2023	$62.00M	-3.1%
Jun 2023	$64.00M	+1.6%
Mar 2023	$63.00M	+1.6%
Dec 2022	$62.00M	-12.7%
Sep 2022	$71.00M	+9.2%
Jun 2022	$65.00M	-1.5%
Mar 2022	$66.00M	-13.2%
Dec 2021	$76.00M	-17.4%
Sep 2021	$92.00M	+19.5%
Jun 2021	$77.00M	-4.9%
Mar 2021	$81.00M	-3.6%
Dec 2020	$84.00M	-8.7%
Sep 2020	$92.00M	-7.1%
Jun 2020	$99.00M	-28.3%
Mar 2020	$138.00M	-4.8%
Dec 2019	$145.00M	0.0%
Sep 2019	$145.00M	+5.8%
Jun 2019	$137.00M	0.0%
Mar 2019	$137.00M	-9.3%
Dec 2018	$151.00M	+7.9%
Sep 2018	$140.00M	-57.4%
Jun 2018	$329.00M	+120.8%
Mar 2018	$149.00M	+7.2%
Dec 2017	$139.00M	-1.4%
Sep 2017	$141.00M	-72.6%
Jun 2017	$514.00M	+429.9%
Mar 2017	$97.00M	+15.5%
Dec 2016	$84.00M	+3.7%
Sep 2016	$81.00M	+2.5%
Jun 2016	$79.00M	+5.3%
Mar 2016	$75.00M	-45.3%
Dec 2015	$137.00M	+2.2%
Sep 2015	$134.00M	-1.5%
Jun 2015	$136.00M	0.0%
Mar 2015	$136.00M	-8.1%
Dec 2014	$148.00M	-2.0%
Sep 2014	$151.00M	+1.3%
Jun 2014	$149.00M	+2.1%
Mar 2014	$146.00M	-9.9%
Dec 2013	$162.00M	+3.2%
Sep 2013	$157.00M	-0.6%

Month	Value	Change
Jun 2013	$158.00M	0.0%
Mar 2013	$158.00M	-9.2%
Dec 2012	$174.00M	+8.1%
Sep 2012	$161.00M	0.0%
Jun 2012	$161.00M	+1.3%
Mar 2012	$159.00M	+9.7%
Dec 2011	$145.00M	+0.7%
Sep 2011	$144.00M	-3.4%
Jun 2011	$149.00M	+3.5%
Mar 2011	$144.00M	+14.3%
Dec 2010	$126.00M	+106.6%
Sep 2010	$61.00M	+1.7%
Jun 2010	$60.00M	+3.4%
Mar 2010	$58.00M	-14.7%
Dec 2009	$68.00M	+21.4%
Sep 2009	$56.00M	-3.4%
Jun 2009	$58.00M	-3.3%
Mar 2009	$60.00M	-7.7%
Dec 2008	$65.00M	+32.7%
Sep 2008	$49.00M	-15.5%
Jun 2008	$58.00M	+16.0%
Mar 2008	$50.00M	-10.7%
Dec 2007	$56.00M	+12.0%
Sep 2007	$50.00M	+2.0%
Jun 2007	$49.00M	-2.0%
Mar 2007	$50.00M	-29.6%
Dec 2006	$71.00M	+24.6%
Sep 2006	$57.00M	-3.4%
Jun 2006	$59.00M	+3.5%
Mar 2006	$57.00M	-16.2%
Dec 2005	$68.00M	-13.9%
Sep 2005	$79.00M	+27.4%
Jun 2005	$62.00M	-8.8%
Mar 2005	$68.00M	-10.5%
Dec 2004	$76.00M	-2.6%
Sep 2004	$78.00M	-8.2%
Dec 2003	$85.00M	+3.7%
Sep 2003	$82.00M	+9.3%
Dec 2002	$75.00M	+21.0%
Sep 2002	$62.00M	-8.8%
Jun 2002	$68.00M	+17.2%
Mar 2002	$58.00M	-33.3%
Dec 2001	$87.00M	+3.6%
Sep 2001	$84.00M	-1.2%
Jun 2001	$85.00M	+2.4%
Mar 2001	$83.00M	-4.6%
Dec 2000	$87.00M	+7.4%
Sep 2000	$81.00M	-2.4%
Jun 2000	$83.00M	+1.2%
Mar 2000	$82.00M	-

FAQ

What is the current quarterly D&A of AON?
As of today, AON quarterly D&A is $233.00M
What is AON quarterly D&A most recent change?
AON quarterly D&A was down -2.92% on December 31, 2025
What is 1-year change in AON quarterly D&A?
AON quarterly D&A is up +0.43% year-over-year
How far is AON quarterly D&A from its all-time high?
AON quarterly D&A is currently -54.67% below its historical high of $514.00M set on June 30, 2017
How does AON quarterly D&A rank versus sector peers?
AON quarterly D&A is higher than 92.78% of companies in Financial Services sector
When is AON next earnings release?
The next earnings release for AON is on May 1, 2026

TTM D&A

$966.00M$1.00M+0.10%

December 31, 2025

Summary

Current Value: As of today, AON TTM D&A is $966.00M, up +0.10% on December 31, 2025
Historical Performance: AON TTM D&A is up +40.82% year-over-year, up +265.91% over the past 3 years
All-Time High Comparison: AON TTM D&A is currently at its all-time high
3-Year Low Comparison: AON TTM D&A is +284.86% above its 3-year low of $251.00M reached on September 30, 2023
Sector Comparison: AON TTM D&A is higher than 94.95% of companies in Financial Services sector

Performance

AON Performance
Metric	Date	Value	3M	1Y	3Y	5Y
	Dec 31, 25	$966.00M	+0.1%	+40.8%	+265.9%	+133.9%
	Dec 31, 25	$966.00M	–	+40.8%	+265.9%	+133.9%
	Dec 31, 25	$233.00M	-2.9%	+0.4%	+275.8%	+177.4%
Price	Mar 12, 26	$315.91	-10.7%	-19.9%	+7.7%	+38.6%
	Dec 31, 25	-$5.09B	-100.0%	-100.0%	-100.0%	-100.0%
TTM Revenue	Dec 31, 25	$17.29B	+1.0%	+9.8%	+38.5%	+56.4%

TTM D&A Highs

AON TTM D&A Highs Comparison
Period	High	Date	Current
1Y	$966.00M	Dec 31, 25	at high
3Y	$966.00M	Dec 31, 25	at high
5Y	$966.00M	Dec 31, 25	at high
All	$966.00M	Dec 31, 25	at high

TTM D&A Lows

AON TTM D&A Lows Comparison
Period	Low	Date	Current
1Y	$686.00M	N/A	+40.8%
3Y	$251.00M	Sep 30, 23	+284.9%
5Y	$251.00M	Sep 30, 23	+284.9%
All	$82.00M	Mar 31, 00	+1078.0%

TTM D&A History

Month	Value	Change
Dec 2025	$966.00M	+0.1%
Sep 2025	$965.00M	+2.0%
Jun 2025	$946.00M	+8.6%
Mar 2025	$871.00M	+27.0%
Dec 2024	$686.00M	+31.7%
Sep 2024	$521.00M	+43.9%
Jun 2024	$362.00M	+43.1%
Mar 2024	$253.00M	-1.2%
Dec 2023	$256.00M	+2.0%
Sep 2023	$251.00M	-3.5%
Jun 2023	$260.00M	-0.4%
Mar 2023	$261.00M	-1.1%
Dec 2022	$264.00M	-5.0%
Sep 2022	$278.00M	-7.0%
Jun 2022	$299.00M	-3.9%
Mar 2022	$311.00M	-4.6%
Dec 2021	$326.00M	-2.4%
Sep 2021	$334.00M	0.0%
Jun 2021	$334.00M	-6.2%
Mar 2021	$356.00M	-13.8%
Dec 2020	$413.00M	-12.9%
Sep 2020	$474.00M	-10.1%
Jun 2020	$527.00M	-6.7%
Mar 2020	$565.00M	+0.2%
Dec 2019	$564.00M	-1.1%
Sep 2019	$570.00M	+0.9%
Jun 2019	$565.00M	-25.4%
Mar 2019	$757.00M	-1.6%
Dec 2018	$769.00M	+1.6%
Sep 2018	$757.00M	-0.1%
Jun 2018	$758.00M	-19.6%
Mar 2018	$943.00M	+5.8%
Dec 2017	$891.00M	+6.6%
Sep 2017	$836.00M	+7.7%
Jun 2017	$776.00M	+127.6%
Mar 2017	$341.00M	+6.9%
Dec 2016	$319.00M	-14.2%
Sep 2016	$372.00M	-12.5%
Jun 2016	$425.00M	-11.8%
Mar 2016	$482.00M	-11.2%
Dec 2015	$543.00M	-2.0%
Sep 2015	$554.00M	-3.0%
Jun 2015	$571.00M	-2.2%
Mar 2015	$584.00M	-1.7%
Dec 2014	$594.00M	-2.3%
Sep 2014	$608.00M	-1.0%
Jun 2014	$614.00M	-1.4%
Mar 2014	$623.00M	-1.9%
Dec 2013	$635.00M	-1.9%
Sep 2013	$647.00M	-0.6%

Month	Value	Change
Jun 2013	$651.00M	-0.5%
Mar 2013	$654.00M	-0.2%
Dec 2012	$655.00M	+4.6%
Sep 2012	$626.00M	+2.8%
Jun 2012	$609.00M	+2.0%
Mar 2012	$597.00M	+2.6%
Dec 2011	$582.00M	+3.4%
Sep 2011	$563.00M	+17.3%
Jun 2011	$480.00M	+22.8%
Mar 2011	$391.00M	+28.2%
Dec 2010	$305.00M	+23.5%
Sep 2010	$247.00M	+2.1%
Jun 2010	$242.00M	+0.8%
Mar 2010	$240.00M	-0.8%
Dec 2009	$242.00M	+1.3%
Sep 2009	$239.00M	+3.0%
Jun 2009	$232.00M	0.0%
Mar 2009	$232.00M	+4.5%
Dec 2008	$222.00M	+4.2%
Sep 2008	$213.00M	-0.5%
Jun 2008	$214.00M	+4.4%
Mar 2008	$205.00M	0.0%
Dec 2007	$205.00M	-6.8%
Sep 2007	$220.00M	-3.1%
Jun 2007	$227.00M	-4.2%
Mar 2007	$237.00M	-2.9%
Dec 2006	$244.00M	+1.2%
Sep 2006	$241.00M	-8.4%
Jun 2006	$263.00M	-1.1%
Mar 2006	$266.00M	-4.0%
Dec 2005	$277.00M	-2.8%
Sep 2005	$285.00M	+0.4%
Jun 2005	$284.00M	+27.9%
Mar 2005	$222.00M	+44.2%
Dec 2004	$154.00M	-5.5%
Sep 2004	$163.00M	-2.4%
Dec 2003	$167.00M	+6.4%
Sep 2003	$157.00M	-40.3%
Dec 2002	$263.00M	-4.4%
Sep 2002	$275.00M	-7.4%
Jun 2002	$297.00M	-5.4%
Mar 2002	$314.00M	-7.4%
Dec 2001	$339.00M	0.0%
Sep 2001	$339.00M	+0.9%
Jun 2001	$336.00M	+0.6%
Mar 2001	$334.00M	+0.3%
Dec 2000	$333.00M	+35.4%
Sep 2000	$246.00M	+49.1%
Jun 2000	$165.00M	+101.2%
Mar 2000	$82.00M	-

FAQ

What is the current TTM D&A of AON?
As of today, AON TTM D&A is $966.00M
What is AON TTM D&A most recent change?
AON TTM D&A was up +0.10% on December 31, 2025
What is 1-year change in AON TTM D&A?
AON TTM D&A is up +40.82% year-over-year
How far is AON TTM D&A from its all-time high?
AON TTM D&A is currently at its all-time high
How does AON TTM D&A rank versus sector peers?
AON TTM D&A is higher than 94.95% of companies in Financial Services sector
When is AON next earnings release?
The next earnings release for AON is on May 1, 2026

Data Sources & References

AON Official Website www.aon.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/315293/000162828026004273/0001628280-26-004273-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/315293/000162828026004273/0001628280-26-004273-index.htm
AON Profile on Yahoo Finance finance.yahoo.com/quote/AON
AON Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/aon