XML 83 R54.htm IDEA: XBRL DOCUMENT
v3.24.3

Supplemental Cash Flow Information (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2024
Supplemental Cash Flow Elements [Abstract] |
Summary of Supplemental Cash Flow Information |
| Nine Months Ended September 30,
(Millions of dollars) | 2024 |  | 2023
Net cash provided by operating activities included: |  |  |
Interest paid (net of amounts capitalized) | $ | 959 |  |  | $ | 952 |
Net income taxes paid to (received from) taxing authorities(a) | 613 |  |  | 1,881 |
(a) 2024 includes $439 million paid to third parties for transferable tax credits.
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,
(Millions of dollars) | 2024 |  | 2023
Additions to property, plant and equipment per the consolidated statements of cash flows | $ | 1,723 |  |  | $ | 1,358 |
Increase (decrease) in capital accruals | (18) |  |  | 54 |
Total capital expenditures | $ | 1,705 |  |  | $ | 1,412 |

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-types1: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