What is the current annual debt to equity of MPC?

As of today, MPC annual debt to equity is 1.36

What is 1-year change in MPC annual debt to equity?

MPC annual debt to equity is down -16.05% year-over-year

What is 3-year change in MPC annual debt to equity?

MPC annual debt to equity is up +34.65% over the past 3 years

How far is MPC annual debt to equity from its all-time high?

MPC annual debt to equity is currently -16.05% below its historical high of 1.62 set on December 31, 2024

How does MPC annual debt to equity rank versus sector peers?

MPC annual debt to equity is higher than 77.17% of companies in Energy sector

When is MPC next annual earnings release?

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

What is the current quarterly debt to equity of MPC?

As of today, MPC quarterly debt to equity is 2.05

What is MPC quarterly debt to equity most recent change?

MPC quarterly debt to equity was up +3.54% on March 31, 2026

What is 1-year change in MPC quarterly debt to equity?

MPC quarterly debt to equity is up +4.59% year-over-year

How far is MPC quarterly debt to equity from its all-time high?

MPC quarterly debt to equity is currently at its all-time high

How does MPC quarterly debt to equity rank versus sector peers?

MPC quarterly debt to equity is higher than 84.13% of companies in Energy sector

When is MPC next earnings release?

The next earnings release for MPC is on August 4, 2026

MPC Debt To Equity Ratio History & Chart Since 2008

Annual Debt To Equity

1.360.26-16.05%

December 31, 2025

Summary

Current Value: As of today, MPC annual debt to equity is 1.36, down -16.05% on December 31, 2025
Historical Performance: MPC annual debt to equity is up +34.65% over the past 3 years, down -8.72% over the past 5 years
All-Time High Comparison: MPC annual debt to equity is currently -16.05% below its historical high of 1.62 set on December 31, 2024
3-Year Low Comparison: MPC annual debt to equity is +34.65% above its 3-year low of 1.01 reached on an earlier date
Sector Comparison: MPC annual debt to equity is higher than 77.17% of companies in Energy sector

Debt To Equity Chart

Performance

MPC Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Debt To Equity	Dec 31, 25	1.36	-16.1%	+34.6%	-8.7%	+126.7%
Quarterly Debt To Equity	Mar 31, 26	2.05	+4.6%	+93.4%	+30.6%	+469.4%
Price	Jul 31, 26	$316.47	+86.0%	+137.9%	+473.1%	+1345.4%
Annual Total Debt	Dec 31, 25	$34.36B	+19.5%	+23.1%	+3.8%	+653.1%
	Dec 31, 25	$17.31B	-2.4%	-37.5%	-22.0%	+128.4%
	Dec 31, 25	1.26	+7.7%	-28.4%	-30.4%	+15.6%
	Dec 31, 25	0.74	+4.2%	-43.9%	-43.1%	-2.6%
	Dec 31, 25	$2.86B	-17.5%	+99.4%	-14.7%	+122.2%
	Dec 31, 25	$32.88B	+30.0%	+24.2%	+10.5%	+903.9%
	Mar 31, 26	6	+20.0%	-25.0%	+20.0%	–
	Jul 31, 26	3.42	+6.5%	-12.3%	+155.2%	–

Debt To Equity Highs

MPC Annual Debt To Equity Highs Comparison
Period	High	Date	Current
3Y	1.62	Dec 31, 24	-16.1%
5Y	1.62	Dec 31, 24	-16.1%
All	1.62	Dec 31, 24	-16.1%

Debt To Equity Lows

MPC Annual Debt To Equity Lows Comparison
Period	Low	Date	Current
3Y	1.01	N/A	+34.6%
5Y	1.01	Dec 31, 22	+34.6%
All	0.28	Dec 31, 08	+385.7%

Debt To Equity History

Year	Value	Change
2025	1.36	-16.0%
2024	1.62	+38.5%
2023	1.17	+15.8%
2022	1.01	-1.9%
2021	1.03	-30.9%
2020	1.49	+63.7%
2019	0.91	+16.7%
2018	0.78	-15.2%
2017	0.92	+17.9%

Year	Value	Change
2016	0.78	-13.3%
2015	0.90	+45.2%
2014	0.62	+100.0%
2013	0.31	+6.9%
2012	0.29	-17.1%
2011	0.35	-41.7%
2010	0.60	+114.3%
2009	0.28	0.0%
2008	0.28	-

FAQ

What is the current annual debt to equity of MPC?: As of today, MPC annual debt to equity is 1.36
What is 1-year change in MPC annual debt to equity?: MPC annual debt to equity is down -16.05% year-over-year
What is 3-year change in MPC annual debt to equity?: MPC annual debt to equity is up +34.65% over the past 3 years
How far is MPC annual debt to equity from its all-time high?: MPC annual debt to equity is currently -16.05% below its historical high of 1.62 set on December 31, 2024
How does MPC annual debt to equity rank versus sector peers?: MPC annual debt to equity is higher than 77.17% of companies in Energy sector
When is MPC next annual earnings release?: As of today, the next annual earnings release for MPC has not been scheduled

Debt To Equity Formula

Debt To Equity =

Total Debt

Quarterly Debt To Equity

2.050.07+3.54%

March 31, 2026

Summary

Current Value: As of today, MPC quarterly debt to equity is 2.05, up +3.54% on March 31, 2026
Historical Performance: MPC quarterly debt to equity is up +4.59% year-over-year, up +93.40% over the past 3 years
All-Time High Comparison: MPC quarterly debt to equity is currently at its all-time high
3-Year Low Comparison: MPC quarterly debt to equity is +84.68% above its 3-year low of 1.11 reached on September 30, 2023
Sector Comparison: MPC quarterly debt to equity is higher than 84.13% of companies in Energy sector

Performance

MPC Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Debt To Equity	Mar 31, 26	2.05	+3.5%	+4.6%	+93.4%	+30.6%
Annual Debt To Equity	Dec 31, 25	1.36	–	-16.1%	+34.6%	-8.7%
Price	Jul 31, 26	$316.47	+27.5%	+86.0%	+137.9%	+473.1%
Quarterly Total Debt	Mar 31, 26	$34.33B	-0.1%	+6.8%	+20.3%	+1.1%
	Mar 31, 26	$16.75B	-3.2%	+2.2%	-37.6%	-22.4%
	Mar 31, 26	1.18	-6.3%	-0.8%	-37.9%	-37.6%
	Mar 31, 26	0.73	-1.4%	0.0%	-43.9%	-46.3%
	Mar 31, 26	$2.62B	-8.4%	-41.5%	+447.0%	+15.9%
	Mar 31, 26	$31.71B	+0.7%	+14.6%	+13.0%	+0.0%
	Mar 31, 26	6	-14.3%	+20.0%	-25.0%	+20.0%
	Jul 31, 26	3.42	+5.6%	+6.5%	-12.3%	+155.2%

Quarterly Debt To Equity Highs

MPC Quarterly Debt To Equity Highs Comparison
Period	High	Date	Current
1Y	2.05	Mar 31, 26	at high
3Y	2.05	Mar 31, 26	at high
5Y	2.05	Mar 31, 26	at high
All	2.05	Mar 31, 26	at high

Quarterly Debt To Equity Lows

MPC Quarterly Debt To Equity Lows Comparison
Period	Low	Date	Current
1Y	1.81	N/A	+13.3%
3Y	1.11	Sep 30, 23	+84.7%
5Y	1.01	Dec 31, 22	+103.0%
All	0.28	Dec 31, 09	+632.1%

Quarterly Debt To Equity History

Month	Value	Change
Mar 2026	2.05	+3.5%
Dec 2025	1.98	-1.0%
Sep 2025	2.00	+10.5%
Jun 2025	1.81	-7.7%
Mar 2025	1.96	+21.0%
Dec 2024	1.62	+4.5%
Sep 2024	1.55	+9.9%
Jun 2024	1.41	+13.7%
Mar 2024	1.24	+6.0%
Dec 2023	1.17	+5.4%
Sep 2023	1.11	0.0%
Jun 2023	1.11	+4.7%
Mar 2023	1.06	+5.0%
Dec 2022	1.01	-4.7%
Sep 2022	1.06	-0.9%
Jun 2022	1.07	-8.5%
Mar 2022	1.17	+13.6%
Dec 2021	1.03	+1.0%
Sep 2021	1.02	-1.0%
Jun 2021	1.03	-34.4%
Mar 2021	1.57	+5.4%
Dec 2020	1.49	0.0%
Sep 2020	1.49	+2.1%
Jun 2020	1.46	+2.8%
Mar 2020	1.42	+56.0%
Dec 2019	0.91	-2.2%
Sep 2019	0.93	+2.2%
Jun 2019	0.91	0.0%
Mar 2019	0.91	+16.7%
Dec 2018	0.78	-36.1%
Sep 2018	1.22	+6.1%
Jun 2018	1.15	0.0%

Month	Value	Change
Mar 2018	1.15	+25.0%
Dec 2017	0.92	-7.1%
Sep 2017	0.99	-1.0%
Jun 2017	1.00	+4.2%
Mar 2017	0.96	+23.1%
Dec 2016	0.78	-1.3%
Sep 2016	0.79	-3.7%
Jun 2016	0.82	-8.9%
Mar 2016	0.90	0.0%
Dec 2015	0.90	+63.6%
Sep 2015	0.55	-5.2%
Jun 2015	0.58	-1.7%
Mar 2015	0.59	-4.8%
Dec 2014	0.62	+6.9%
Sep 2014	0.58	+70.6%
Jun 2014	0.34	-2.9%
Mar 2014	0.35	+12.9%
Dec 2013	0.31	0.0%
Sep 2013	0.31	+6.9%
Jun 2013	0.29	+3.6%
Mar 2013	0.28	-3.4%
Dec 2012	0.29	0.0%
Sep 2012	0.29	-9.4%
Jun 2012	0.32	-11.1%
Mar 2012	0.36	+2.9%
Dec 2011	0.35	+6.1%
Sep 2011	0.33	-8.3%
Jun 2011	0.36	-40.0%
Dec 2010	0.60	+33.3%
Sep 2010	0.45	+60.7%
Dec 2009	0.28	-

FAQ

What is the current quarterly debt to equity of MPC?: As of today, MPC quarterly debt to equity is 2.05
What is MPC quarterly debt to equity most recent change?: MPC quarterly debt to equity was up +3.54% on March 31, 2026
What is 1-year change in MPC quarterly debt to equity?: MPC quarterly debt to equity is up +4.59% year-over-year
How far is MPC quarterly debt to equity from its all-time high?: MPC quarterly debt to equity is currently at its all-time high
How does MPC quarterly debt to equity rank versus sector peers?: MPC quarterly debt to equity is higher than 84.13% of companies in Energy sector
When is MPC next earnings release?: The next earnings release for MPC is on August 4, 2026

Debt To Equity Formula

Debt To Equity =

Total Debt

Data Sources & References

MPC Official Website www.marathonpetroleum.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1510295/000151029526000003/0001510295-26-000003-index.htm
MPC Profile on Yahoo Finance finance.yahoo.com/quote/MPC
MPC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/mpc