XML 137 R108.htm IDEA: XBRL DOCUMENT
v3.22.4

Environmental and Other Contingencies - Narrative (Details) $ in Millions | Dec. 31, 2022 USD ($)
--- | ---
Environmental Remediation Obligations [Abstract] |
Threshold for disclosure of monetary sanctions related to environmental proceedings | $ 1.0
Threshold for disclosure of monetary sanctions related to aware of legal environmental proceedings | $ 1.0

X
- Definition Threshold For Disclosure Of Monetary Sanctions, Environmental Proceedings + References No definition available. + Details
Name: | mur_ThresholdForDisclosureOfMonetarySanctionsEnvironmentalProceedings
Namespace Prefix: | mur_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Threshold For Disclosure Of Monetary Sanctions, Not Aware Of Environmental Legal Proceedings + References No definition available. + Details
Name: | mur_ThresholdForDisclosureOfMonetarySanctionsNotAwareOfEnvironmentalLegalProceedings
Namespace Prefix: | mur_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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