XML 79 R52.htm IDEA: XBRL DOCUMENT
v3.25.2

Supplemental Cash Flow Information (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Supplemental Cash Flow Elements [Abstract] |
Summary of Supplemental Cash Flow Information |
| Six Months Ended June 30,
(Millions of dollars) | 2025 |  | 2024
Net cash provided by operating activities included: |  |  |
Interest paid (net of amounts capitalized) | $ | 590 |  |  | $ | 602 |
Net income taxes paid to (received from) taxing authorities(a) | 119 |  |  | 191 |
Non-cash investing and financing activities: |  |  |
Contribution of assets(b) | 115 |  |  | — |
(a) 2025 includes $111 million paid to third parties for transferable tax credits. (b) Represents the book value of assets contributed by MPLX to a joint venture.
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:
| Six Months Ended June 30,
(Millions of dollars) | 2025 |  | 2024
Additions to property, plant and equipment per the consolidated statements of cash flows | $ | 1,358 |  |  | $ | 1,072 |
Decrease in capital accruals | (5) |  |  | (46) |
Total capital expenditures | $ | 1,353 |  |  | $ | 1,026 |

X
- Definition Schedule of Reconciliation of Additions to Property, Plant And Equipment to Total Capital Expenditures [Table Text Block] + References No definition available. + Details
Name: | mpc_ScheduleOfReconciliationOfAdditionsToPropertyPlantAndEquipmentToTotalCapitalExpendituresTableTextBlock
Namespace Prefix: | mpc_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowElementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration