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Risks and Uncertainties (Tables)
12 Months Ended
Dec. 31, 2025
Risks and Uncertainties [Abstract]  
Schedule of Revenue by Major Customers by Reporting Segments
The table below shows, by segment, the percentage of total revenues and other income with MPC, which is our most significant customer and our largest concentration of credit risk.
202520242023
Total revenues and other income(1)
Crude Oil and Products Logistics88 %88 %88 %
Natural Gas and NGL Services%%%
Total48 %49 %50 %
(1)    The percent calculations for the year ended December 31, 2025 exclude a $484 million gain on remeasurement of our existing equity method investment in BANGL in conjunction with the BANGL Acquisition and a $159 million gain on divestiture of the Rockies. The percent calculations for the year ended December 31, 2024 exclude a gain of $151 million related to the dilution of ownership interest in connection with the Whistler Joint Venture Transaction. The percent calculations for the year ended December 31, 2023 exclude a $92 million gain on remeasurement of our existing equity investment in Torñado. See Note 4 for additional information.