v3.25.1

Acquisitions and Other Transactions - Utica Midstream Acquisition (Details) - USD ($) $ in Millions		3 Months Ended
	Mar. 22, 2024	Mar. 31, 2025	Mar. 31, 2024	Mar. 21, 2024
Schedule of Equity Method Investments [Line Items]
Net gain on disposal of assets		$ 0	$ 20
Midstream Acquisition
Schedule of Equity Method Investments [Line Items]
Payments to acquire businesses and interest in affiliates	$ 625
Recognized identifiable assets acquired and liabilities assumed, net	625
Recognized identifiable assets acquired and liabilities assumed, equity method investments	$ 507
Ohio Gathering Company \| Midstream Acquisition
Schedule of Equity Method Investments [Line Items]
Ownership percentage	73.00%
Basis difference	$ 75
Ohio Condensate Company
Schedule of Equity Method Investments [Line Items]
Ownership percentage				62.00%
Ohio Condensate Company \| Midstream Acquisition
Schedule of Equity Method Investments [Line Items]
Ownership percentage	100.00%
Net gain on disposal of assets	$ 20

Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Equity Method Investments

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

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Marathon Petroleum Corp 10-Q