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Marathon Petroleum MPC Midstream — Equity Method Investments
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Where this comes from
Reported directly by Marathon Petroleum in its filing.
Tagged under the XBRL concept us-gaap:EquityMethodInvestments.
The source filing: Marathon Petroleum’s 10-K, filed February 26, 2026.
- Filed
- Feb 26, 2026, 1:30 PM EST
- Fiscal year
- FY2025
- Accession
- 0001510295-26-000009
| (In millions of dollars, except ownership percentages) | VIE | Ownership as of / December 31, 2025 | Carrying value at / December 31, 2025 | Carrying value at / December 31, 2024 |
|---|---|---|---|---|
| Gray Oak Pipeline, LLC | 25% | 268 | 274 | |
| Other(c) | X | 113 | 114 | |
| MPC-Retained Total | $746 | $770 | ||
| Midstream Total | $5,544 | $5,301 | ||
| Renewable Diesel | ||||
| Martinez Renewables LLC | X | 50% | $1,065 | $1,184 |
| Other(c) | X | 88 | 90 | |
| Renewable Diesel Total | $1,153 | $1,274 |
Item 8. Financial Statements and Supplementary Data
FAQ
- What is Marathon Petroleum's midstream — equity method investments?
- Marathon Petroleum (MPC) reported midstream — equity method investments of $5.54B in Q4 2025.
- How has Marathon Petroleum's midstream — equity method investments changed year-over-year?
- Marathon Petroleum's midstream — equity method investments increased by 4.6% year-over-year, from $5.3B to $5.54B.
- What does midstream — equity method investments mean?
- The carrying value on the balance sheet of the company's interests in joint ventures or partnerships within the midstream sector. It represents the total investment stake in assets managed alongside other industry players.
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