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v3.25.2

Subsequent Events (Details) - Subsequent Event - USD ($) $ in Millions | Jul. 31, 2025 | Jul. 03, 2025 | Jul. 01, 2025 | Aug. 05, 2025
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The Andersons Marathon Holdings LLC |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Sale of Stock, Percentage of Ownership before Transaction | 49.90% |  |  |
Proceeds from Sale of Equity Method Investments | $ 425 |  |  |
Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee | $ 245 |  |  |
MPLX: | Share Repurchase Authorization August 2025 |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Stock repurchase program, authorized amount |  |  |  | $ 1,000
MPLX: | BANGL, LLC Acquisition |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Repayments of debt |  | $ 656 |  |
MPLX: | BANGL, LLC Acquisition | BANGL, LLC |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Business Combination, Voting Equity Interest Acquired, Percentage |  |  | 55.00% |
Payments to acquire businesses and interest in affiliates |  |  | $ 700 |
Business Combination, Contingent Consideration, Liability |  |  | 275 |
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount |  |  | $ 275 |
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions |  |  | 100.00% |
Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Remeasurement, Gain (Loss) |  |  | $ 400 |

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