Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2026

Supplemental Cash Flow Elements [Abstract]

Summary of Supplemental Cash Flow Information


	Nine Months Ended September 30,
(In millions)	2026		2025
Net cash provided by operating activities included:
Interest paid (net of amounts capitalized)	$	1,225	$	970
Net income taxes paid to taxing authorities(a)	1,804		130
Non-cash investing and financing activities:
Contribution of assets(b)	—		115
Book value of equity method investment(c)	—		282
Contingent consideration(d)	—		234

(a) Includes $186 million and $111 million in the nine months ended September 30, 2026 and September 30, 2025, respectively, paid to third parties and related parties for transferable tax credits. The nine months ended September 30, 2026 includes $64 million paid to Martinez Renewables LLC.

(b) Represents the book value of assets contributed by MPLX to a joint venture.

(c) Represents the book value of MPLX’s equity method investment in BANGL, prior to MPLX buying out the remaining interest in this entity as part of the BANGL Acquisition. See Note 5 - BANGL, LLC Acquisition.

(d) See Note 5 - BANGL, LLC Acquisition.

Reconciliation of Additions to Property, Plant and Equipment to Total Capital Expenditures

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:


	Nine Months Ended September 30,
(In millions)	2026		2025
Additions to property, plant and equipment per the Consolidated Statements of Cash Flows	$	3,226	$	2,305
Increase in capital accruals	131		105
Total capital expenditures	$	3,357	$	2,410