XML 76 R65.htm IDEA: XBRL DOCUMENT
v3.26.1

Business Segments - Narrative (Details) | 3 Months Ended
--- | ---
Mar. 31, 2026
Segment Reporting [Abstract] |
Number of reportable segments not disclosed flag | true

X
- Definition Number Of Reportable Segments Not Disclosed Flag + References No definition available. + Details
Name: | mur_NumberOfReportableSegmentsNotDisclosedFlag
Namespace Prefix: | mur_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

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