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Revenue from Contracts with Customers (Current Long-Term Contracts Outstanding) (Details) Boe / d in Thousands | Mar. 31, 2020 MMcf / d Boe / d
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Q4 2021 | United States |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | Boe / d | 17
Q4 2021 | Canada | Dedicated acreage delivery in GOM |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | 10
Q4 2020 | Canada | Deliveries from dedicated acreage in Eagle Ford |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | 59
Q4 2020 | Canada | Dedicated acreage delivery in GOM |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | 60
Q4 2024 | Canada | Dedicated acreage delivery in GOM |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | 30
Q4 2026 | Canada | Dedicated acreage delivery in GOM |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | 38
Q4 2026 | Canada | Dedicated acreage delivery in GOM |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | 11

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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- Details
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Data Type: | na
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- Details
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Data Type: | na
Balance Type: |
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- Details
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Data Type: | na
Balance Type: |
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- Details
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- Details
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- Details
Name: | us-gaap_ContractWithCustomerDurationAxis=mur_EndDateQuarter42024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Balance Type: |
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- Details
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