$MUR
Murphy Oil Corp Stock $mur

$mur Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000071742322000019 Filed on February 25, 2022

Income Statement

Concept	2021 Q4	2021 Q3	2021
Revenue	$762.3M	$630.7M	$2.299B
YoY Change	73.21%	49.49%	16.88%
Cost Of Revenue	$135.8M	$130.1M	$341.4M
YoY Change	11.53%	4.52%	-12.92%
Gross Profit	$600.4M	$498.3M	$1.934B
YoY Change	198.12%	68.61%	23.82%
Gross Profit Margin	78.76%	79.0%	84.11%
Selling, General & Admin	$36.12M	$27.21M	$122.0M
YoY Change	0.62%	-4.56%	-13.04%
% of Gross Profit	6.02%	5.46%	6.31%
Research & Development	$19.20M	$24.52M	$69.04M
YoY Change	-22.56%	102.62%	-19.72%
% of Gross Profit	3.2%	4.92%	3.57%
Depreciation & Amortization	$179.7M	$189.8M	$795.1M
YoY Change	-17.55%	-18.05%	-19.46%
% of Gross Profit	29.93%	38.09%	41.11%
Operating Expenses	$259.1M	$27.21M	$122.0M
YoY Change	-26.91%	-4.56%	-13.04%
Operating Profit	$341.3M	$223.4M	$281.4M
YoY Change	-322.94%	-180.33%	-120.66%
Interest Expense	-$43.37M	$46.93M	$221.8M
YoY Change	-16.1%	3.86%	30.93%
% of Operating Profit	-12.71%	21.01%	78.81%
Other Income/Expense, Net	-$5.312M	-$48.52M	-$238.5M
YoY Change		-3.66%	27.75%
Pretax Income	$261.3M	$174.9M	$42.90M
YoY Change	-226.05%	-153.26%	-102.77%
Income Tax	$56.64M	$36.84M	-$5.900M
% Of Pretax Income	21.67%	21.06%	-13.75%
Net Earnings	$168.4M	$108.4M	-$73.70M
YoY Change	-197.96%	-144.52%	-93.58%
Net Earnings / Revenue	22.09%	17.19%	-3.21%
Basic Earnings Per Share	$1.09	$0.70	-$0.48
Diluted Earnings Per Share	$1.09	$0.70	-$0.48
COMMON SHARES
Basic Shares Outstanding	154.5M shares	154.4M shares	154.3M shares
Diluted Shares Outstanding		155.9M shares	154.3M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2021
SHORT-TERM ASSETS
Cash & Short-Term Investments	$521.2M	$505.1M	$521.2M
YoY Change	67.58%	129.58%	67.58%
Cash & Equivalents	$521.2M	$505.1M	$521.2M
Short-Term Investments
Other Short-Term Assets	$47.38M	$81.57M	$47.38M
YoY Change	-86.91%	-68.75%	-86.91%
Inventory	$54.20M	$57.41M	$54.20M
Prepaid Expenses	$31.93M	$40.58M
Receivables	$258.2M	$186.7M	$258.1M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$880.9M	$830.7M	$880.9M
YoY Change	-11.93%	13.23%	-11.91%
LONG-TERM ASSETS
Property, Plant & Equipment	$8.128B	$8.112B	$9.009B
YoY Change	-1.71%	-5.59%	-2.04%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$29.27M	$27.10M	$414.8M
YoY Change	2.31%	-10.63%	-2.17%
Total Long-Term Assets	$9.424B	$9.500B	$9.424B
YoY Change	-2.04%	-2.42%	-2.05%
TOTAL ASSETS
Total Short-Term Assets	$880.9M	$830.7M	$880.9M
Total Long-Term Assets	$9.424B	$9.500B	$9.424B
Total Assets	$10.30B	$10.33B	$10.30B
YoY Change	-2.97%	-1.32%	-2.98%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$623.1M	$615.4M	$623.1M
YoY Change	53.07%	108.34%	53.1%
Accrued Expenses	$520.6M	$500.5M	$520.6M
YoY Change	87.94%	78.11%	87.94%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$654.0K	$646.0K	$654.0K
YoY Change
Total Short-Term Liabilities	$1.164B	$1.135B	$1.164B
YoY Change	62.54%	86.19%	62.62%
LONG-TERM LIABILITIES
Long-Term Debt	$2.465B	$2.614B	$2.465B
YoY Change	-17.49%	-12.5%	-17.49%
Other Long-Term Liabilities	$570.6M	$723.7M	$2.172B
YoY Change	-16.16%	13.8%	-7.28%
Total Long-Term Liabilities	$570.6M	$723.7M	$4.637B
YoY Change	-84.45%	13.8%	-13.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.164B	$1.135B	$1.164B
Total Long-Term Liabilities	$570.6M	$723.7M	$4.637B
Total Liabilities	$5.984B	$6.217B	$6.148B
YoY Change	-3.9%	4.39%	-4.05%
SHAREHOLDERS EQUITY
Retained Earnings	$5.219B	$5.070B
YoY Change	-2.81%	-8.83%
Common Stock	$195.1M	$195.1M
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$1.655B	$1.656B
YoY Change	-2.08%	-2.04%
Treasury Stock Shares	40.64M shares	40.66M shares
Shareholders Equity	$4.157B	$3.950B	$4.157B
YoY Change
Total Liabilities & Shareholders Equity	$10.30B	$10.33B	$10.30B
YoY Change	-2.97%	-1.32%	-2.98%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2021
OPERATING ACTIVITIES
Net Income	$168.4M	$108.4M	-$73.70M
YoY Change	-197.96%	-144.52%	-93.58%
Depreciation, Depletion And Amortization	$179.7M	$189.8M	$795.1M
YoY Change	-17.55%	-18.05%	-19.46%
Cash From Operating Activities	$330.9M	$405.0M	$1.422B
YoY Change	60.39%	94.15%	77.17%
INVESTING ACTIVITIES
Capital Expenditures	-$106.2M	-$118.9M	-$688.2M
YoY Change	-28.74%	-11.59%	-21.15%
Acquisitions
YoY Change
Other Investing Activities	$465.0K	$675.0K	$270.5M
YoY Change	-96.61%		1386.28%
Cash From Investing Activities	-$105.8M	-$118.2M	-$417.7M
YoY Change	-21.82%	-12.09%	-51.37%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-208.9M	-198.9M	-$794.5M
YoY Change	976.91%	22004.22%	-2100.74%
NET CHANGE
Cash From Operating Activities	330.9M	405.0M	$1.422B
Cash From Investing Activities	-105.8M	-118.2M	-$417.7M
Cash From Financing Activities	-208.9M	-198.9M	-$794.5M
Net Change In Cash	16.18M	87.82M	$210.6M
YoY Change	-68.65%	19.98%	5375.25%
FREE CASH FLOW
Cash From Operating Activities	$330.9M	$405.0M	$1.422B
Capital Expenditures	-$106.2M	-$118.9M	-$688.2M
Free Cash Flow	$437.1M	$523.9M	$2.110B
YoY Change	23.0%	52.7%	25.95%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000717423
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2018	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate201602Member
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtAndCapitalLeaseObligations
CY2021Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtAndCapitalLeaseObligationsCurrent
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	1-8590
CY2021	dei	Entity Registrant Name EntityRegistrantName	MURPHY OIL CORPORATION
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	71-0361522
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	9805 Katy Fwy, Suite G-200
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77024
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston,
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2021	dei	City Area Code CityAreaCode	(281)
CY2021	dei	Local Phone Number LocalPhoneNumber	675-9000
CY2021	dei	Security12b Title Security12bTitle	Common Stock, $1.00 Par Value
CY2021	dei	Trading Symbol TradingSymbol	MUR
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
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CY2021	dei	Auditor Firm AuditorFirmId	185
CY2021	dei	Auditor Name AuditorName	KPMG LLP
CY2021	dei	Auditor Location AuditorLocation	Houston, Texas
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CY2021	us-gaap	Costs And Expenses CostsAndExpenses	2017846000	USD
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	3329650000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	2383760000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	281435000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-1362309000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	445293000	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-16771000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-17303000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-22520000	USD
CY2021	us-gaap	Interest Expense InterestExpense	221773000	USD
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-238544000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-186726000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-241795000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	42891000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1549035000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	203498000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5862000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-293741000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14683000	USD
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	48753000	USD
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-1255294000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	188815000	USD
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-1225000	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-7151000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	1064487000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	47528000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-1262445000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	1253302000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	121192000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-113668000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	103570000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-73664000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-1148777000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	1149732000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.47
CY2020	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-7.43
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.52
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.05
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	6.49
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.48
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-7.48
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.01
CY2021	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.47
CY2020	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-7.43
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.52
CY2020	us-gaap	Profit Loss ProfitLoss	-1262445000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	1253302000	USD
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.05
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	6.46
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.48
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-7.48
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.98
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.50
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.625
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.00
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	154291000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	153507000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	163992000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	154291000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	153507000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	164812000	shares
CY2021	us-gaap	Profit Loss ProfitLoss	47528000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	12116000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	29241000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	66600000	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-59816000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	57617000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	35979000	USD
CY2021	mur	Other Comprehensive Income Loss Deferred Losson Interest Rate Hedges Reclassifiedto Interest Expense OtherComprehensiveIncomeLossDeferredLossonInterestRateHedgesReclassifiedtoInterestExpense	1690000	USD
CY2020	mur	Other Comprehensive Income Loss Deferred Losson Interest Rate Hedges Reclassifiedto Interest Expense OtherComprehensiveIncomeLossDeferredLossonInterestRateHedgesReclassifiedtoInterestExpense	1204000	USD
CY2019	mur	Other Comprehensive Income Loss Deferred Losson Interest Rate Hedges Reclassifiedto Interest Expense OtherComprehensiveIncomeLossDeferredLossonInterestRateHedgesReclassifiedtoInterestExpense	5005000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	73622000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-27172000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	35626000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	121150000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-1289617000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1288928000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	121192000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-113668000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	103570000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-42000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-1175949000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1185358000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	47528000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-1262445000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	1253302000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	795105000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	987239000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1147842000	USD
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	196296000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1206284000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2021	us-gaap	Unrealized Gain Loss On Commodity Contracts UnrealizedGainLossOnCommodityContracts	-112113000	USD
CY2020	us-gaap	Unrealized Gain Loss On Commodity Contracts UnrealizedGainLossOnCommodityContracts	-69310000	USD
CY2019	us-gaap	Unrealized Gain Loss On Commodity Contracts UnrealizedGainLossOnCommodityContracts	-33364000	USD
CY2021	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	63147000	USD
CY2020	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-13783000	USD
CY2019	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	8672000	USD
CY2021	us-gaap	Employee Benefits And Share Based Compensation Noncash EmployeeBenefitsAndShareBasedCompensationNoncash	63382000	USD
CY2020	us-gaap	Employee Benefits And Share Based Compensation Noncash EmployeeBenefitsAndShareBasedCompensationNoncash	46558000	USD
CY2019	us-gaap	Employee Benefits And Share Based Compensation Noncash EmployeeBenefitsAndShareBasedCompensationNoncash	76958000	USD
CY2021	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	46613000	USD
CY2020	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	42136000	USD
CY2019	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	40506000	USD
CY2021	mur	Amortization Of Undeveloped Lease AmortizationOfUndevelopedLease	18925000	USD
CY2020	mur	Amortization Of Undeveloped Lease AmortizationOfUndevelopedLease	26743000	USD
CY2019	mur	Amortization Of Undeveloped Lease AmortizationOfUndevelopedLease	27973000	USD
CY2021	mur	Previously Suspended Exploration Costs Credit PreviouslySuspendedExplorationCostsCredit	17339000	USD
CY2020	mur	Previously Suspended Exploration Costs Credit PreviouslySuspendedExplorationCostsCredit	21099000	USD
CY2019	mur	Previously Suspended Exploration Costs Credit PreviouslySuspendedExplorationCostsCredit	12840000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4146000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-278042000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	28530000	USD
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-1225000	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-7151000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	1064487000	USD
CY2021	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-118457000	USD
CY2020	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	32027000	USD
CY2019	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	16887000	USD
CY2021	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-53821000	USD
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-35080000	USD
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-59508000	USD
CY2021	mur	Restructuring Charges Non Cash RestructuringChargesNonCash	0	USD
CY2020	mur	Restructuring Charges Non Cash RestructuringChargesNonCash	17565000	USD
CY2019	mur	Restructuring Charges Non Cash RestructuringChargesNonCash	0	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1422163000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	802708000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1489105000	USD
CY2021	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	670479000	USD
CY2020	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	759809000	USD
CY2019	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	1244069000	USD
CY2021	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	270503000	USD
CY2020	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	13750000	USD
CY2019	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	20382000	USD
CY2021	us-gaap	Payments To Acquire Oil And Gas Equipment PaymentsToAcquireOilAndGasEquipment	17734000	USD
CY2020	us-gaap	Payments To Acquire Oil And Gas Equipment PaymentsToAcquireOilAndGasEquipment	112961000	USD
CY2019	us-gaap	Payments To Acquire Oil And Gas Equipment PaymentsToAcquireOilAndGasEquipment	100202000	USD
CY2021	us-gaap	Payments To Acquire Oil And Gas Property PaymentsToAcquireOilAndGasProperty	0	USD
CY2020	us-gaap	Payments To Acquire Oil And Gas Property PaymentsToAcquireOilAndGasProperty	0	USD
CY2019	us-gaap	Payments To Acquire Oil And Gas Property PaymentsToAcquireOilAndGasProperty	1212315000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-417710000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-859020000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2536204000	USD
CY2021	us-gaap	Early Repayment Of Senior Debt EarlyRepaymentOfSeniorDebt	876358000	USD
CY2020	us-gaap	Early Repayment Of Senior Debt EarlyRepaymentOfSeniorDebt	12225000	USD
CY2019	us-gaap	Early Repayment Of Senior Debt EarlyRepaymentOfSeniorDebt	521332000	USD
CY2021	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	541913000	USD
CY2020	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-613000	USD
CY2019	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	542394000	USD
CY2021	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	365000000	USD
CY2020	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	250000000	USD
CY2019	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	2050000000	USD
CY2021	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	165000000	USD
CY2020	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	450000000	USD
CY2019	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	1725000000	USD
CY2021	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	137517000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	43673000	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	128158000	USD
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	77204000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	95989000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	163669000	USD
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	39335000	USD
CY2020	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2019	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	26626000	USD
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5209000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7094000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	6991000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	803000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	695000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	688000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	499924000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-794513000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	39711000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1129994000	USD
CY2021	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	0	USD
CY2020	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	3292000	USD
CY2019	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	2090903000	USD
CY2021	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	0	USD
CY2020	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-1202000	USD
CY2019	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	73783000	USD
CY2021	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
CY2020	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	4494000	USD
CY2019	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	2022034000	USD
CY2021	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
CY2020	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
CY2019	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	-4914000	USD
CY2021	mur	Cash Transferred To Continuing Operations From Discontinued Operations CashTransferredToContinuingOperationsFromDiscontinuedOperations	0	USD
CY2020	mur	Cash Transferred To Continuing Operations From Discontinued Operations CashTransferredToContinuingOperationsFromDiscontinuedOperations	18438000	USD
CY2019	mur	Cash Transferred To Continuing Operations From Discontinued Operations CashTransferredToContinuingOperationsFromDiscontinuedOperations	2120397000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	638000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	2009000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	3533000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	310606000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	306760000	USD
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	100
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	210578000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	3846000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-53163000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	310606000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	306760000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	359923000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	521184000	USD
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	100
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	100
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	400000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	400000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	400000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	450000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	450000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	450000000	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	195100628	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	195100628	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	195089269	shares
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	40637578	shares
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	41502003	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	42153908	shares
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4320796000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4394147000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5804611000	USD
CY2021	us-gaap	Variable Interest Entity Ownership Percentage VariableInterestEntityOwnershipPercentage	0.005
CY2021	mur	Variable Interest Entity Numberof Entities VariableInterestEntityNumberofEntities	2	entity
CY2021Q4	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	3400000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1206300000	USD
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	196300000	USD
CY2021	mur	Number Of Geographic Segments NumberOfGeographicSegments	2	segment
CY2021	mur	Number Of Revenue Streams NumberOfRevenueStreams	3	revenueStream
CY2021	mur	Number Of Geographic Segments NumberOfGeographicSegments	2	segment
CY2021	us-gaap	Use Of Estimates UseOfEstimates	USE OF ESTIMATES – In preparing the financial statements of the Company in conformity with U.S. generally accepted accounting principles (GAAP), management has made a number of estimates and assumptions related to the reporting of assets, liabilities, revenues, and expenses and the disclosure of contingent assets and liabilities. Actual results may differ from the estimates.
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2801200000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1751700000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2817100000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2801215000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1751709000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2817111000	USD
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	20585703000	USD
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	8127852000	USD
CY2021Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	169800000	USD
CY2021	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-525850000	USD
CY2020	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	202661000	USD
CY2019	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-856000	USD
CY2021	mur	Gain Loss On Sale Of Assets And Other Income GainLossOnSaleOfAssetsAndOtherIncome	23916000	USD
CY2020	mur	Gain Loss On Sale Of Assets And Other Income GainLossOnSaleOfAssetsAndOtherIncome	12971000	USD
CY2019	mur	Gain Loss On Sale Of Assets And Other Income GainLossOnSaleOfAssetsAndOtherIncome	12798000	USD
CY2021	us-gaap	Revenues Revenues	2299281000	USD
CY2020	us-gaap	Revenues Revenues	1967341000	USD
CY2019	us-gaap	Revenues Revenues	2829053000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	135200000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	19724343000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	8269038000	USD
CY2021Q1	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	267700000	USD
CY2021Q4	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	25000000	USD
CY2020	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	1206300000	USD
CY2021	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	196296000	USD
CY2020	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	1206284000	USD
CY2019	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	0	USD
CY2021Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	179500000	USD
CY2020Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	181600000	USD
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	217300000	USD
CY2020Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	181616000	USD
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	217326000	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	207855000	USD
CY2021	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	16725000	USD
CY2020	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	3999000	USD
CY2019	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	83712000	USD
CY2021	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	0	USD
CY2020	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	0	USD
CY2019	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	61096000	USD
CY2021	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	18860000	USD
CY2020	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	39709000	USD
CY2019	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	13145000	USD
CY2021Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	179481000	USD
CY2020Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	181616000	USD
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	217326000	USD
CY2021Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	179481000	USD
CY2021	srt	Exploratory Wells Drilled Net Productive ExploratoryWellsDrilledNetProductive	14	well
CY2021Q4	mur	Projects That Have Exploratory Well Costs That Have Been Capitalized ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalized	8	project
CY2020Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	181616000	USD
CY2020	srt	Exploratory Wells Drilled Net Productive ExploratoryWellsDrilledNetProductive	11	well
CY2020Q4	mur	Projects That Have Exploratory Well Costs That Have Been Capitalized ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalized	5	project
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	217326000	USD
CY2019	srt	Exploratory Wells Drilled Net Productive ExploratoryWellsDrilledNetProductive	11	well
CY2019Q4	mur	Projects That Have Exploratory Well Costs That Have Been Capitalized ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalized	5	project
CY2021Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	166200000	USD
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2483352000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2809710000	USD
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	22773000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	21643000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	2460579000	USD
CY2021Q4	us-gaap	Crude Oil And Natural Gas Liquids CrudeOilAndNaturalGasLiquids	15497000	USD
CY2020Q4	us-gaap	Crude Oil And Natural Gas Liquids CrudeOilAndNaturalGasLiquids	16399000	USD
CY2021Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	38701000	USD
CY2020Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	49677000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	54198000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	66076000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	2788067000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	5489000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	0	USD
CY2021Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	2466068000	USD
CY2020Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	2788067000	USD
CY2021Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2020Q4	us-gaap	Line Of Credit LineOfCredit	200000000	USD
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	654000	USD
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	0	USD
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2465414000	USD
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2988067000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	242400000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	548700000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1690000000	USD
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	849956000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	865109000	USD
CY2021	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	46613000	USD
CY2020	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	42136000	USD
CY2021	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	54439000	USD
CY2020	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	14736000	USD
CY2021	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	48737000	USD
CY2020	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-70098000	USD
CY2021	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	27824000	USD
CY2020	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	4816000	USD
CY2021	mur	Asset Retirement Obligation Liabilities Assumed By Purchases Of Oil And Gas Assets AssetRetirementObligationLiabilitiesAssumedByPurchasesOfOilAndGasAssets	-263000	USD
CY2020	mur	Asset Retirement Obligation Liabilities Assumed By Purchases Of Oil And Gas Assets AssetRetirementObligationLiabilitiesAssumedByPurchasesOfOilAndGasAssets	21000	USD
CY2021	us-gaap	Asset Retirement Obligation Foreign Currency Translation Gain Loss AssetRetirementObligationForeignCurrencyTranslationGainLoss	291000	USD
CY2020	us-gaap	Asset Retirement Obligation Foreign Currency Translation Gain Loss AssetRetirementObligationForeignCurrencyTranslationGainLoss	-2910000	USD
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	971893000	USD
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	849956000	USD
CY2021Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	132117000	USD
CY2020Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	33648000	USD
CY2021Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	839776000	USD
CY2020Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	816308000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	114659000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-1407598000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	282199000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-71768000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-141437000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-78701000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	42891000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1549035000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	203498000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-10627000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1480000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-249253000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	30598000	USD
CY2021	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-1480000	USD
CY2020	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-259880000	USD
CY2019	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	30598000	USD
CY2021	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	3303000	USD
CY2020	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	-8413000	USD
CY2019	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	5139000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-5158000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-5072000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-17823000	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-2527000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-20376000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-3231000	USD
CY2021	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	-7685000	USD
CY2020	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	-25448000	USD
CY2019	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	-21054000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5862000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-293741000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14683000	USD
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	9007000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-325299000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	42735000	USD
CY2021	mur	Income Tax Reconciliation Tax Cut And Jobs Act Of2017 Deferred Tax Effect Of Deemed Repatriation Of Foreign Invested Earnings IncomeTaxReconciliationTaxCutAndJobsActOf2017DeferredTaxEffectOfDeemedRepatriationOfForeignInvestedEarnings	0	USD
CY2020	mur	Income Tax Reconciliation Tax Cut And Jobs Act Of2017 Deferred Tax Effect Of Deemed Repatriation Of Foreign Invested Earnings IncomeTaxReconciliationTaxCutAndJobsActOf2017DeferredTaxEffectOfDeemedRepatriationOfForeignInvestedEarnings	0	USD
CY2019	mur	Income Tax Reconciliation Tax Cut And Jobs Act Of2017 Deferred Tax Effect Of Deemed Repatriation Of Foreign Invested Earnings IncomeTaxReconciliationTaxCutAndJobsActOf2017DeferredTaxEffectOfDeemedRepatriationOfForeignInvestedEarnings	-17019000	USD
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	13270000	USD
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-3791000	USD
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-1122000	USD
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2500000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-6646000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4060000	USD
CY2021	mur	Income Tax Reconciliation Effect Of Foreign Operations IncomeTaxReconciliationEffectOfForeignOperations	8916000	USD
CY2020	mur	Income Tax Reconciliation Effect Of Foreign Operations IncomeTaxReconciliationEffectOfForeignOperations	0	USD
CY2019	mur	Income Tax Reconciliation Effect Of Foreign Operations IncomeTaxReconciliationEffectOfForeignOperations	14975000	USD
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	4814000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	7707000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	10927000	USD
CY2021	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	25450000	USD
CY2020	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	-23712000	USD
CY2019	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	21750000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-1087000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	10576000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	11827000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5862000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-293741000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14683000	USD
CY2021Q4	mur	Deferred Tax Assets Undeveloped Leasehold Cost DeferredTaxAssetsUndevelopedLeaseholdCost	241833000	USD
CY2020Q4	mur	Deferred Tax Assets Undeveloped Leasehold Cost DeferredTaxAssetsUndevelopedLeaseholdCost	95141000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	37728000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	28475000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	114790000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	128281000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	577531000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	589067000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	39396000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	65216000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	135838000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	112685000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1147116000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1018865000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	111259000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	106448000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	214912000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1035857000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	912417000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	5000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	5000000	USD
CY2021Q4	mur	Deferred Tax Liabilities Depreciation And Amortization DeferredTaxLiabilitiesDepreciationAndAmortization	786846000	USD
CY2020Q4	mur	Deferred Tax Liabilities Depreciation And Amortization DeferredTaxLiabilitiesDepreciationAndAmortization	665255000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	41387000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	27250000	USD
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CY2021Q4	mur	Operating And Finance Lease Liability Payments Due After Year Five OperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFive	651209000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1250717000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	7748000	USD
CY2021Q4	mur	Operatingand Finance Leases Future Minimum Payments Due OperatingandFinanceLeasesFutureMinimumPaymentsDue	1258465000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	350128000	USD
CY2021Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	2259000	USD
CY2021Q4	mur	Lessee Operatingand Finance Leases Undiscounted Excess Amount LesseeOperatingandFinanceLeasesUndiscountedExcessAmount	352387000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	900589000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	5489000	USD
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.047
CY2021Q4	mur	Operatingand Finance Leases Liability OperatingandFinanceLeasesLiability	906078000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P7Y
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P8Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.057
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.058
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.047
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	194412000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	160385000	USD
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	228000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	372000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	803000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	695000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	95500000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	453719000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	49994000	USD
CY2019Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	32430000	USD
CY2020	us-gaap	Payments For Restructuring PaymentsForRestructuring	25500000	USD
CY2020Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	6930000	USD
CY2021	us-gaap	Payments For Restructuring PaymentsForRestructuring	4757000	USD
CY2021Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	2173000	USD
CY2021Q4	mur	Discounted Cash Flow Method Percentage DiscountedCashFlowMethodPercentage	0.10
CY2018Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	430200000	MMBbls
CY2019Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	472300000	MMBbls
CY2020Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	410800000	MMBbls
CY2021Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	419200000	MMBbls
CY2018Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	413800000	MMBbls
CY2019Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	352700000	MMBbls
CY2020Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	304100000	MMBbls
CY2021Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	297700000	MMBbls
CY2021	us-gaap	Costs Incurred Acquisition Of Unproved Oil And Gas Properties CostsIncurredAcquisitionOfUnprovedOilAndGasProperties	8800000	USD
CY2021	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves	-500000	USD
CY2021	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties CostsIncurredAcquisitionOfOilAndGasProperties	8300000	USD
CY2021	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	62200000	USD
CY2021	us-gaap	Costs Incurred Development Costs CostsIncurredDevelopmentCosts	619300000	USD
CY2021	us-gaap	Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	689800000	USD
CY2021	mur	Results Of Operations Dry Hole Costs Including Discontinued Operations ResultsOfOperationsDryHoleCostsIncludingDiscontinuedOperations	17300000	USD
CY2021	mur	Results Of Operations Geophysical And Other Costs ResultsOfOperationsGeophysicalAndOtherCosts	32800000	USD
CY2021	us-gaap	Results Of Operations Exploration Expense ResultsOfOperationsExplorationExpense	50100000	USD
CY2021	us-gaap	Property Plant And Equipment Gross Period Increase Decrease PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease	639700000	USD
CY2020	us-gaap	Costs Incurred Acquisition Of Unproved Oil And Gas Properties CostsIncurredAcquisitionOfUnprovedOilAndGasProperties	14300000	USD
CY2020	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves	200000	USD
CY2020	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties CostsIncurredAcquisitionOfOilAndGasProperties	14500000	USD
CY2020	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	58600000	USD
CY2020	us-gaap	Costs Incurred Development Costs CostsIncurredDevelopmentCosts	736800000	USD
CY2020	us-gaap	Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	809900000	USD
CY2020	mur	Results Of Operations Geophysical And Other Costs ResultsOfOperationsGeophysicalAndOtherCosts	38600000	USD
CY2020	us-gaap	Results Of Operations Exploration Expense ResultsOfOperationsExplorationExpense	38600000	USD
CY2020	us-gaap	Property Plant And Equipment Gross Period Increase Decrease PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease	771300000	USD
CY2019	us-gaap	Costs Incurred Acquisition Of Unproved Oil And Gas Properties CostsIncurredAcquisitionOfUnprovedOilAndGasProperties	547000000.0	USD
CY2019	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves	733100000	USD
CY2019	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties CostsIncurredAcquisitionOfOilAndGasProperties	1280100000	USD
CY2019	mur	Cost Incurred Refunded Exploration Costs CostIncurredRefundedExplorationCosts	118600000	USD
CY2019	us-gaap	Costs Incurred Development Costs CostsIncurredDevelopmentCosts	1282400000	USD
CY2019	us-gaap	Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	2681100000	USD
CY2019	mur	Results Of Operations Geophysical And Other Costs ResultsOfOperationsGeophysicalAndOtherCosts	54300000	USD
CY2019	us-gaap	Results Of Operations Exploration Expense ResultsOfOperationsExplorationExpense	54300000	USD
CY2019	us-gaap	Property Plant And Equipment Gross Period Increase Decrease PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease	2626800000	USD
CY2021	us-gaap	Results Of Operations Sales Revenue To Unaffiliated Enterprises ResultsOfOperationsSalesRevenueToUnaffiliatedEnterprises	2801200000	USD
CY2021	us-gaap	Results Of Operations Revenue Other ResultsOfOperationsRevenueOther	17500000	USD
CY2021	us-gaap	Results Of Operations Revenue From Oil And Gas Producing Activities ResultsOfOperationsRevenueFromOilAndGasProducingActivities	2818700000	USD
CY2021	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	539500000	USD
CY2021	mur	Results Of Operations Severance And Ad Valorem Taxes ResultsOfOperationsSeveranceAndAdValoremTaxes	41200000	USD
CY2021	mur	Transportation Gatheringand Processing Costs TransportationGatheringandProcessingCosts	187000000.0	USD
CY2021	mur	Results Of Operations Exploration Expense Including Discontinued Operations ResultsOfOperationsExplorationExpenseIncludingDiscontinuedOperations	50100000	USD
CY2021	mur	Results Of Operations Undeveloped Lease Amortization ResultsOfOperationsUndevelopedLeaseAmortization	18900000	USD
CY2021	us-gaap	Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions	782100000	USD
CY2021	us-gaap	Results Of Operations Accretion Of Asset Retirement Obligations ResultsOfOperationsAccretionOfAssetRetirementObligations	46600000	USD
CY2021	us-gaap	Results Of Operations General And Administrative Related To Oil And Gas Producing Activities ResultsOfOperationsGeneralAndAdministrativeRelatedToOilAndGasProducingActivities	43600000	USD
CY2021	mur	Other Expense Benefit OtherExpenseBenefit	31000000.0	USD
CY2021	us-gaap	Results Of Operations Expense From Oil And Gas Producing Activities ResultsOfOperationsExpenseFromOilAndGasProducingActivities	1929300000	USD
CY2021	us-gaap	Results Of Operations Income Before Income Taxes ResultsOfOperationsIncomeBeforeIncomeTaxes	889400000	USD
CY2021	us-gaap	Results Of Operations Income Tax Expense ResultsOfOperationsIncomeTaxExpense	172700000	USD
CY2021	us-gaap	Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts	716700000	USD
CY2020	us-gaap	Results Of Operations Sales Revenue To Unaffiliated Enterprises ResultsOfOperationsSalesRevenueToUnaffiliatedEnterprises	1751700000	USD
CY2020	us-gaap	Results Of Operations Revenue Other ResultsOfOperationsRevenueOther	7700000	USD
CY2020	us-gaap	Results Of Operations Revenue From Oil And Gas Producing Activities ResultsOfOperationsRevenueFromOilAndGasProducingActivities	1759400000	USD
CY2020	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	600100000	USD
CY2020	mur	Results Of Operations Severance And Ad Valorem Taxes ResultsOfOperationsSeveranceAndAdValoremTaxes	28500000	USD
CY2020	mur	Transportation Gatheringand Processing Costs TransportationGatheringandProcessingCosts	172400000	USD
CY2020	mur	Results Of Operations Exploration Expense Including Discontinued Operations ResultsOfOperationsExplorationExpenseIncludingDiscontinuedOperations	59700000	USD
CY2020	mur	Results Of Operations Undeveloped Lease Amortization ResultsOfOperationsUndevelopedLeaseAmortization	26800000	USD
CY2020	us-gaap	Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions	964900000	USD
CY2020	us-gaap	Results Of Operations Accretion Of Asset Retirement Obligations ResultsOfOperationsAccretionOfAssetRetirementObligations	42200000	USD
CY2020	us-gaap	Results Of Operations General And Administrative Related To Oil And Gas Producing Activities ResultsOfOperationsGeneralAndAdministrativeRelatedToOilAndGasProducingActivities	48800000	USD
CY2020	mur	Other Expense Benefit OtherExpenseBenefit	21000000.0	USD
CY2020	us-gaap	Results Of Operations Expense From Oil And Gas Producing Activities ResultsOfOperationsExpenseFromOilAndGasProducingActivities	3157800000	USD
CY2020	us-gaap	Results Of Operations Income Before Income Taxes ResultsOfOperationsIncomeBeforeIncomeTaxes	-1398400000	USD
CY2020	us-gaap	Results Of Operations Income Tax Expense ResultsOfOperationsIncomeTaxExpense	-263500000	USD
CY2020	us-gaap	Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts	-1134900000	USD
CY2019	us-gaap	Results Of Operations Sales Revenue To Unaffiliated Enterprises ResultsOfOperationsSalesRevenueToUnaffiliatedEnterprises	2817100000	USD
CY2019	us-gaap	Results Of Operations Revenue Other ResultsOfOperationsRevenueOther	8500000	USD
CY2019	us-gaap	Results Of Operations Revenue From Oil And Gas Producing Activities ResultsOfOperationsRevenueFromOilAndGasProducingActivities	2825600000	USD
CY2019	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	605200000	USD
CY2019	mur	Results Of Operations Severance And Ad Valorem Taxes ResultsOfOperationsSeveranceAndAdValoremTaxes	48000000.0	USD
CY2019	mur	Transportation Gatheringand Processing Costs TransportationGatheringandProcessingCosts	176300000	USD
CY2019	mur	Results Of Operations Exploration Expense Including Discontinued Operations ResultsOfOperationsExplorationExpenseIncludingDiscontinuedOperations	67300000	USD
CY2019	mur	Results Of Operations Undeveloped Lease Amortization ResultsOfOperationsUndevelopedLeaseAmortization	28000000.0	USD
CY2019	us-gaap	Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions	1125200000	USD
CY2019	us-gaap	Results Of Operations Accretion Of Asset Retirement Obligations ResultsOfOperationsAccretionOfAssetRetirementObligations	40500000	USD
CY2019	us-gaap	Results Of Operations General And Administrative Related To Oil And Gas Producing Activities ResultsOfOperationsGeneralAndAdministrativeRelatedToOilAndGasProducingActivities	126800000	USD
CY2019	mur	Other Expense Benefit OtherExpenseBenefit	47400000	USD
CY2019	us-gaap	Results Of Operations Expense From Oil And Gas Producing Activities ResultsOfOperationsExpenseFromOilAndGasProducingActivities	2264700000	USD
CY2019	us-gaap	Results Of Operations Income Before Income Taxes ResultsOfOperationsIncomeBeforeIncomeTaxes	560900000	USD
CY2019	us-gaap	Results Of Operations Income Tax Expense ResultsOfOperationsIncomeTaxExpense	100300000	USD
CY2019	us-gaap	Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts	460600000	USD
CY2021Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	25696700000	USD
CY2021Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	1686800000	USD
CY2021Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	10675400000	USD
CY2021Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	1592800000	USD
CY2021Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	11741600000	USD
CY2021Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	4442700000	USD
CY2021Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	7299000000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	14594200000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	1694100000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	8412100000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	166800000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	4321200000	USD
CY2020Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	1702600000	USD
CY2020Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	2618600000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	28533400000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	4861800000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	11566000000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	2137900000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	9967700000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	4140100000	USD
CY2019Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	5827600000	USD
CY2021	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	5962100000	USD
CY2020	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	-5942100000	USD
CY2019	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	-2993900000	USD
CY2021	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	-503600000	USD
CY2020	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	2215100000	USD
CY2019	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	-675700000	USD
CY2021	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	2220500000	USD
CY2020	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	1123100000	USD
CY2019	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	2163800000	USD
CY2021	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	908500000	USD
CY2020	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	568500000	USD
CY2019	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	1221900000	USD
CY2021	mur	Increase Decrease Due To Purchases And Sales Of Minerals In Place IncreaseDecreaseDueToPurchasesAndSalesOfMineralsInPlace	-63100000	USD
CY2020	mur	Increase Decrease Due To Purchases And Sales Of Minerals In Place IncreaseDecreaseDueToPurchasesAndSalesOfMineralsInPlace	14600000	USD
CY2019	mur	Increase Decrease Due To Purchases And Sales Of Minerals In Place IncreaseDecreaseDueToPurchasesAndSalesOfMineralsInPlace	628100000	USD
CY2021	mur	Development Costs Incurred During Period DevelopmentCostsIncurredDuringPeriod	619300000	USD
CY2020	mur	Development Costs Incurred During Period DevelopmentCostsIncurredDuringPeriod	736800000	USD
CY2019	mur	Development Costs Incurred During Period DevelopmentCostsIncurredDuringPeriod	1282400000	USD
CY2021	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	267200000	USD
CY2020	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	699300000	USD
CY2019	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	1002000000	USD
CY2021	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	277100000	USD
CY2020	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	-1461300000	USD
CY2019	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	-71200000	USD
CY2021	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	-692800000	USD
CY2020	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	1112400000	USD
CY2019	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	574100000	USD
CY2021	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Period Increase Decrease StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease	4680400000	USD
CY2020	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Period Increase Decrease StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease	-3209000000	USD
CY2019	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Period Increase Decrease StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease	-2452300000	USD
CY2020Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	2618600000	USD
CY2019Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	5827600000	USD
CY2018Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	8279900000	USD
CY2021Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	7299000000	USD
CY2020Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	2618600000	USD
CY2019Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	5827600000	USD
CY2021Q4	us-gaap	Capitalized Costs Unproved Properties CapitalizedCostsUnprovedProperties	762200000	USD
CY2021Q4	us-gaap	Capitalized Costs Proved Properties CapitalizedCostsProvedProperties	19655800000	USD
CY2021Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Gross CapitalizedCostsOilAndGasProducingActivitiesGross	20418000000	USD
CY2021Q4	mur	Capitalized Costs Accumulated Depreciation Depletion And Amortization For Relating To Oil And Gas Producing Activities Un Proved Properties CapitalizedCostsAccumulatedDepreciationDepletionAndAmortizationForRelatingToOilAndGasProducingActivitiesUnProvedProperties	131100000	USD
CY2021Q4	mur	Capitalized Costs Accumulated Depreciation Depletion And Amortization For Relating To Oil And Gas Producing Activities Proved Properties CapitalizedCostsAccumulatedDepreciationDepletionAndAmortizationForRelatingToOilAndGasProducingActivitiesProvedProperties	12211000000	USD
CY2021Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	8075900000	USD
CY2020Q4	us-gaap	Capitalized Costs Unproved Properties CapitalizedCostsUnprovedProperties	805700000	USD
CY2020Q4	us-gaap	Capitalized Costs Proved Properties CapitalizedCostsProvedProperties	18654600000	USD
CY2020Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Gross CapitalizedCostsOilAndGasProducingActivitiesGross	19460300000	USD
CY2020Q4	mur	Capitalized Costs Accumulated Depreciation Depletion And Amortization For Relating To Oil And Gas Producing Activities Un Proved Properties CapitalizedCostsAccumulatedDepreciationDepletionAndAmortizationForRelatingToOilAndGasProducingActivitiesUnProvedProperties	119500000	USD
CY2020Q4	mur	Capitalized Costs Accumulated Depreciation Depletion And Amortization For Relating To Oil And Gas Producing Activities Proved Properties CapitalizedCostsAccumulatedDepreciationDepletionAndAmortizationForRelatingToOilAndGasProducingActivitiesProvedProperties	11131500000	USD
CY2020Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	8209300000	USD
CY2021Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	592500000	USD
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	758800000	USD
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	687600000	USD
CY2021Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	762300000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2801200000	USD
CY2021Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-355200000	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-38100000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	174900000	USD
CY2021Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	261300000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	42900000	USD
CY2021Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-267000000.0	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-26900000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	138000000.0	USD
CY2021Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	204700000	USD
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	48800000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	-266800000	USD
CY2021Q2	us-gaap	Profit Loss ProfitLoss	-27000000.0	USD
CY2021Q3	us-gaap	Profit Loss ProfitLoss	137300000	USD
CY2021Q4	us-gaap	Profit Loss ProfitLoss	204000000.0	USD
CY2021	us-gaap	Profit Loss ProfitLoss	47500000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	-287400000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-63100000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	108400000	USD
CY2021Q4	us-gaap	Net Income Loss NetIncomeLoss	168400000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-73700000	USD
CY2021Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-1.87
CY2021Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.41
CY2021Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.70
CY2021Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.09
CY2021	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.47
CY2021Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-1.87
CY2021Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.41
CY2021Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.70
CY2021Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.08
CY2021	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.47
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.87
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.41
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
CY2021Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.09
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.48
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.87
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.41
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
CY2021Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.09
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.48
CY2021Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.125
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.125
CY2021Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.125
CY2021Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.125
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.50
CY2020Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	600600000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	285700000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	425300000	USD
CY2020Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	440100000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1751700000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-595400000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-417900000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-328400000	USD
CY2020Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-207300000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1549000000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-503800000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-323100000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-265900000	USD
CY2020Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-162500000	USD
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-1255300000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	-508700000	USD
CY2020Q2	us-gaap	Profit Loss ProfitLoss	-324400000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-266600000	USD
CY2020Q4	us-gaap	Profit Loss ProfitLoss	-162700000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-1262400000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	-416100000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-317200000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-243500000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	-171900000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-1148800000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-2.68
CY2020Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-2.05
CY2020Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-1.58
CY2020Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-1.11
CY2020	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-7.43
CY2020Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-2.68
CY2020Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-2.05
CY2020Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-1.58
CY2020Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-1.11
CY2020	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-7.43
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.71
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.06
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.59
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.11
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-7.48
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.71
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.06
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.59
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.11
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-7.48
CY2020Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.25
CY2020Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.125
CY2020Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.125
CY2020Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.125
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.625
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1206300000	USD

Files In Submission

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$MUR
Murphy Oil Corp Stock $mur

2021 Q4 Form 10-K Financial Statement

#000071742322000019 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MUR Murphy Oil Corp Stock $mur

2021 Q4 Form 10-K Financial Statement

#000071742322000019 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MUR
Murphy Oil Corp Stock $mur