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Revenue from Contracts with Customers (Current Long-Term Contracts Outstanding) (Details) | Jun. 30, 2019 MMcf / d Boe / d
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Q3 2019 | United States |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | Boe / d | 4,000
Q4 2021 | United States |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | Boe / d | 17,000
Q4 2020 | Canada | Contracts to sell natural gas at Alberta AECO fixed prices |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | 59
Q4 2020 | Canada | Contracts to sell natural gas at USD Index pricing |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | 60
Q4 2024 | Canada | Contracts to sell natural gas at USD Index pricing |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | 30
Q4 2026 | Canada | Contracts to sell natural gas at USD Index pricing |
Disaggregation of Revenue [Line Items] |
Approximate Volumes | 38

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- Definition Revenue, Remaining Performance Obligation, Quantity + References No definition available. + Details
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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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- Details
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- Details
Name: | us-gaap_ContractWithCustomerDurationAxis=mur_EndDateQuarter42021Member
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- Details
Name: | us-gaap_ContractWithCustomerDurationAxis=mur_EndDateQuarter42020Member
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- Details
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- Details
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- Details
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- Details
Name: | us-gaap_ContractWithCustomerDurationAxis=mur_EndDateQuarter42024Member
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- Details
Name: | us-gaap_ContractWithCustomerDurationAxis=mur_EndDateQuarter42026Member
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