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Supplemental Cash Flow Information
 12 Months Ended
Dec. 31, 2025
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow Information
(In millions)202520242023
Net cash provided by operating activities included:
Interest paid (net of amounts capitalized)$913 $940 $893 
Income taxes paid7 6 7 
Cash paid for amounts included in the measurement of lease liabilities:
Payments on operating leases64 71 71 
Net cash provided by financing activities included:
Principal payments under finance lease obligations2 1 1 
Non-cash investing and financing activities:
Net transfers of property, plant and equipment to materials and supplies inventories— — (8)
Contribution of assets(1)
115 — — 
ROU assets obtained in exchange for new operating lease obligations53 47 21 
ROU assets obtained in exchange for new finance lease obligations3 1 — 
Book value of equity method investment(2)
282 4 311 
Contingent consideration(3)
234 — — 
Other24 — — 
(1)    Represents the book value of assets contributed by MPLX to a joint venture.
(2)    Represents the book value of MPLX’s equity method investment in BANGL in 2025, OCC in 2024 and Torñado in 2023 prior to MPLX buying out the remaining interest in these entities. See Note 4 for additional information.
(3)    See Note 4 – BANGL, LLC Acquisitions.
The Consolidated Statements of Cash Flows exclude changes to the Consolidated Balance Sheets that did not affect cash. The following is a reconciliation of additions to property, plant and equipment to total capital expenditures:
(In millions)202520242023
Additions to property, plant and equipment$1,808 $1,056 $937 
Increase/(decrease) in capital accruals170 (6)82 
Other(22)— — 
Total capital expenditures$1,956 $1,050 $1,019