| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<FilingSummary> |
| <Version> 3.8.0.1 </Version> |
| <ProcessingTime/> |
| <ReportFormat> html </ReportFormat> |
| <ContextCount> 593 </ContextCount> |
| <ElementCount> 501 </ElementCount> |
| <EntityCount> 1 </EntityCount> |
| <FootnotesReported> true </FootnotesReported> |
| <SegmentCount> 168 </SegmentCount> |
| <ScenarioCount> 0 </ScenarioCount> |
| <TuplesReported> false </TuplesReported> |
| <UnitCount> 7 </UnitCount> |
| <MyReports> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R1.htm </HtmlFileName> |
| | | <LongName> 0001000 - Document - DEI Document </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DeiDocument </Role> |
| | | <ShortName> DEI Document </ShortName> |
| | | <MenuCategory> Cover </MenuCategory> |
| | | <Position> 1 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R2.htm </HtmlFileName> |
| | | <LongName> 1001000 - Statement - Consolidated Balance Sheets </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ConsolidatedBalanceSheets </Role> |
| | | <ShortName> Consolidated Balance Sheets </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 2 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R3.htm </HtmlFileName> |
| | | <LongName> 1002000 - Statement - Consolidated Statements of Income </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ConsolidatedStatementsOfIncome </Role> |
| | | <ShortName> Consolidated Statements of Income </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 3 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R4.htm </HtmlFileName> |
| | | <LongName> 1003000 - Statement - Consolidated Statements of Comprehensive Income (Loss) Statement </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ConsolidatedStatementsOfComprehensiveIncomeLossStatement </Role> |
| | | <ShortName> Consolidated Statements of Comprehensive Income (Loss) Statement </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 4 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R5.htm </HtmlFileName> |
| | | <LongName> 1004000 - Statement - Consolidated Statements of Changes in Shareholders Equity Statement </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ConsolidatedStatementsOfChangesInShareholdersEquityStatement </Role> |
| | | <ShortName> Consolidated Statements of Changes in Shareholders Equity Statement </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 5 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R6.htm </HtmlFileName> |
| | | <LongName> 1004501 - Statement - Consolidated Statements of Changes in Shareholders Equity (Parenthetical) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ConsolidatedStatementsOfChangesInShareholdersEquityParenthetical </Role> |
| | | <ShortName> Consolidated Statements of Changes in Shareholders Equity (Parenthetical) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 6 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R7.htm </HtmlFileName> |
| | | <LongName> 1005000 - Statement - Consolidated Statements of Cash Flows </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ConsolidatedStatementsOfCashFlows </Role> |
| | | <ShortName> Consolidated Statements of Cash Flows </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 7 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R8.htm </HtmlFileName> |
| | | <LongName> 2101100 - Disclosure - Description of Business and Segmented Disclosures </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DescriptionOfBusinessAndSegmentedDisclosures </Role> |
| | | <ShortName> Description of Business and Segmented Disclosures </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 8 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R9.htm </HtmlFileName> |
| | | <LongName> 2104100 - Disclosure - Basis of Presentation </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/BasisOfPresentation </Role> |
| | | <ShortName> Basis of Presentation </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 9 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R10.htm </HtmlFileName> |
| | | <LongName> 2107100 - Disclosure - Significant Accounting Policies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/SignificantAccountingPolicies </Role> |
| | | <ShortName> Significant Accounting Policies </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 10 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R11.htm </HtmlFileName> |
| | | <LongName> 2110100 - Disclosure - Cash and Cash Equivalents </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/CashAndCashEquivalents </Role> |
| | | <ShortName> Cash and Cash Equivalents </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 11 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R12.htm </HtmlFileName> |
| | | <LongName> 2113100 - Disclosure - Accounts Receivable </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/AccountsReceivable </Role> |
| | | <ShortName> Accounts Receivable </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 12 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R13.htm </HtmlFileName> |
| | | <LongName> 2116100 - Disclosure - Inventories </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/Inventories </Role> |
| | | <ShortName> Inventories </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 13 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R14.htm </HtmlFileName> |
| | | <LongName> 2119100 - Disclosure - Restricted Cash </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/RestrictedCash </Role> |
| | | <ShortName> Restricted Cash </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 14 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R15.htm </HtmlFileName> |
| | | <LongName> 2122100 - Disclosure - Exploration and Evaluation Costs </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ExplorationAndEvaluationCosts </Role> |
| | | <ShortName> Exploration and Evaluation Costs </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 15 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R16.htm </HtmlFileName> |
| | | <LongName> 2125100 - Disclosure - Property, Plant and Equipment </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PropertyPlantAndEquipment </Role> |
| | | <ShortName> Property, Plant and Equipment </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 16 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R17.htm </HtmlFileName> |
| | | <LongName> 2128100 - Disclosure - Goodwill </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/Goodwill </Role> |
| | | <ShortName> Goodwill </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 17 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R18.htm </HtmlFileName> |
| | | <LongName> 2131100 - Disclosure - Joint Arrangements </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/JointArrangements </Role> |
| | | <ShortName> Joint Arrangements </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 18 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R19.htm </HtmlFileName> |
| | | <LongName> 2134100 - Disclosure - Other Assets </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/OtherAssets </Role> |
| | | <ShortName> Other Assets </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 19 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R20.htm </HtmlFileName> |
| | | <LongName> 2137100 - Disclosure - Bank Operating Loans </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/BankOperatingLoans </Role> |
| | | <ShortName> Bank Operating Loans </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 20 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R21.htm </HtmlFileName> |
| | | <LongName> 2140100 - Disclosure - Accounts Payable and Accrued Liabilities </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/AccountsPayableAndAccruedLiabilities </Role> |
| | | <ShortName> Accounts Payable and Accrued Liabilities </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 21 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R22.htm </HtmlFileName> |
| | | <LongName> 2143100 - Disclosure - Debt and Credit Facilities </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DebtAndCreditFacilities </Role> |
| | | <ShortName> Debt and Credit Facilities </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 22 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R23.htm </HtmlFileName> |
| | | <LongName> 2146100 - Disclosure - Asset Retirement Obligations </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/AssetRetirementObligations </Role> |
| | | <ShortName> Asset Retirement Obligations </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 23 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R24.htm </HtmlFileName> |
| | | <LongName> 2149100 - Disclosure - Other Long-term Liabilities </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/OtherLongTermLiabilities </Role> |
| | | <ShortName> Other Long-term Liabilities </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 24 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R25.htm </HtmlFileName> |
| | | <LongName> 2152100 - Disclosure - Income Taxes </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/IncomeTaxes </Role> |
| | | <ShortName> Income Taxes </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 25 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R26.htm </HtmlFileName> |
| | | <LongName> 2155100 - Disclosure - Share Capital </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ShareCapital </Role> |
| | | <ShortName> Share Capital </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 26 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R27.htm </HtmlFileName> |
| | | <LongName> 2158100 - Disclosure - Production, Operating and Transportation and Selling, General, and Administrative Expenses </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ProductionOperatingAndTransportationAndSellingGeneralAndAdministrativeExpenses </Role> |
| | | <ShortName> Production, Operating and Transportation and Selling, General, and Administrative Expenses </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 27 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R28.htm </HtmlFileName> |
| | | <LongName> 2161100 - Disclosure - Financial Items </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/FinancialItems </Role> |
| | | <ShortName> Financial Items </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 28 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R29.htm </HtmlFileName> |
| | | <LongName> 2164100 - Disclosure - Pensions and Other Post-employment Benefits </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PensionsAndOtherPostEmploymentBenefits </Role> |
| | | <ShortName> Pensions and Other Post-employment Benefits </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 29 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R30.htm </HtmlFileName> |
| | | <LongName> 2167100 - Disclosure - Cash Flows - Change in Non-cash Working Capital </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/CashFlowsChangeInNonCashWorkingCapital </Role> |
| | | <ShortName> Cash Flows - Change in Non-cash Working Capital </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 30 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R31.htm </HtmlFileName> |
| | | <LongName> 2170100 - Disclosure - Financial Instruments and Risk Management </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/FinancialInstrumentsAndRiskManagement </Role> |
| | | <ShortName> Financial Instruments and Risk Management </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 31 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R32.htm </HtmlFileName> |
| | | <LongName> 2173100 - Disclosure - Related Party Transactions </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/RelatedPartyTransactions </Role> |
| | | <ShortName> Related Party Transactions </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 32 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R33.htm </HtmlFileName> |
| | | <LongName> 2176100 - Disclosure - Commitments and Contingencies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/CommitmentsAndContingencies </Role> |
| | | <ShortName> Commitments and Contingencies </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 33 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R34.htm </HtmlFileName> |
| | | <LongName> 2179100 - Disclosure - Capital Disclosures </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/CapitalDisclosures </Role> |
| | | <ShortName> Capital Disclosures </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 34 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R35.htm </HtmlFileName> |
| | | <LongName> 2207201 - Disclosure - Significant Accounting Policies (Policies) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/SignificantAccountingPoliciesPolicies </Role> |
| | | <ShortName> Significant Accounting Policies (Policies) </ShortName> |
| | | <MenuCategory> Policies </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/SignificantAccountingPolicies </ParentRole> |
| | | <Position> 35 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R36.htm </HtmlFileName> |
| | | <LongName> 2301301 - Disclosure - Description of Business and Segmented Disclosures (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DescriptionOfBusinessAndSegmentedDisclosuresTables </Role> |
| | | <ShortName> Description of Business and Segmented Disclosures (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/DescriptionOfBusinessAndSegmentedDisclosures </ParentRole> |
| | | <Position> 36 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R37.htm </HtmlFileName> |
| | | <LongName> 2313301 - Disclosure - Accounts Receivable (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/AccountsReceivableTables </Role> |
| | | <ShortName> Accounts Receivable (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/AccountsReceivable </ParentRole> |
| | | <Position> 37 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R38.htm </HtmlFileName> |
| | | <LongName> 2316301 - Disclosure - Inventories (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/InventoriesTables </Role> |
| | | <ShortName> Inventories (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/Inventories </ParentRole> |
| | | <Position> 38 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R39.htm </HtmlFileName> |
| | | <LongName> 2322301 - Disclosure - Exploration and Evaluation Costs (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ExplorationAndEvaluationCostsTables </Role> |
| | | <ShortName> Exploration and Evaluation Costs (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/ExplorationAndEvaluationCosts </ParentRole> |
| | | <Position> 39 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R40.htm </HtmlFileName> |
| | | <LongName> 2325301 - Disclosure - Property, Plant and Equipment (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PropertyPlantAndEquipmentTables </Role> |
| | | <ShortName> Property, Plant and Equipment (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/PropertyPlantAndEquipment </ParentRole> |
| | | <Position> 40 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R41.htm </HtmlFileName> |
| | | <LongName> 2328301 - Disclosure - Goodwill (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/GoodwillTables </Role> |
| | | <ShortName> Goodwill (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/Goodwill </ParentRole> |
| | | <Position> 41 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R42.htm </HtmlFileName> |
| | | <LongName> 2331301 - Disclosure - Joint Arrangements (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/JointArrangementsTables </Role> |
| | | <ShortName> Joint Arrangements (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/JointArrangements </ParentRole> |
| | | <Position> 42 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R43.htm </HtmlFileName> |
| | | <LongName> 2334301 - Disclosure - Other Assets (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/OtherAssetsTables </Role> |
| | | <ShortName> Other Assets (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/OtherAssets </ParentRole> |
| | | <Position> 43 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R44.htm </HtmlFileName> |
| | | <LongName> 2340301 - Disclosure - Accounts Payable and Accrued Liabilities (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/AccountsPayableAndAccruedLiabilitiesTables </Role> |
| | | <ShortName> Accounts Payable and Accrued Liabilities (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/AccountsPayableAndAccruedLiabilities </ParentRole> |
| | | <Position> 44 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R45.htm </HtmlFileName> |
| | | <LongName> 2343301 - Disclosure - Debt and Credit Facilities (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DebtAndCreditFacilitiesTables </Role> |
| | | <ShortName> Debt and Credit Facilities (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/DebtAndCreditFacilities </ParentRole> |
| | | <Position> 45 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R46.htm </HtmlFileName> |
| | | <LongName> 2346301 - Disclosure - Asset Retirement Obligations (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/AssetRetirementObligationsTables </Role> |
| | | <ShortName> Asset Retirement Obligations (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/AssetRetirementObligations </ParentRole> |
| | | <Position> 46 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R47.htm </HtmlFileName> |
| | | <LongName> 2349301 - Disclosure - Other Long-term Liabilities (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/OtherLongTermLiabilitiesTables </Role> |
| | | <ShortName> Other Long-term Liabilities (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/OtherLongTermLiabilities </ParentRole> |
| | | <Position> 47 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R48.htm </HtmlFileName> |
| | | <LongName> 2352301 - Disclosure - Income Taxes (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/IncomeTaxesTables </Role> |
| | | <ShortName> Income Taxes (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/IncomeTaxes </ParentRole> |
| | | <Position> 48 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R49.htm </HtmlFileName> |
| | | <LongName> 2355301 - Disclosure - Share Capital (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ShareCapitalTables </Role> |
| | | <ShortName> Share Capital (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/ShareCapital </ParentRole> |
| | | <Position> 49 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R50.htm </HtmlFileName> |
| | | <LongName> 2358301 - Disclosure - Production, Operating and Transportation and Selling, General, and Administrative Expenses (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ProductionOperatingAndTransportationAndSellingGeneralAndAdministrativeExpensesTables </Role> |
| | | <ShortName> Production, Operating and Transportation and Selling, General, and Administrative Expenses (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/ProductionOperatingAndTransportationAndSellingGeneralAndAdministrativeExpenses </ParentRole> |
| | | <Position> 50 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R51.htm </HtmlFileName> |
| | | <LongName> 2361301 - Disclosure - Financial Items (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/FinancialItemsTables </Role> |
| | | <ShortName> Financial Items (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/FinancialItems </ParentRole> |
| | | <Position> 51 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R52.htm </HtmlFileName> |
| | | <LongName> 2364301 - Disclosure - Pensions and Other Post-employment Benefits (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PensionsAndOtherPostEmploymentBenefitsTables </Role> |
| | | <ShortName> Pensions and Other Post-employment Benefits (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/PensionsAndOtherPostEmploymentBenefits </ParentRole> |
| | | <Position> 52 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R53.htm </HtmlFileName> |
| | | <LongName> 2367301 - Disclosure - Cash Flows - Change in Non-cash Working Capital (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/CashFlowsChangeInNonCashWorkingCapitalTables </Role> |
| | | <ShortName> Cash Flows - Change in Non-cash Working Capital (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/CashFlowsChangeInNonCashWorkingCapital </ParentRole> |
| | | <Position> 53 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R54.htm </HtmlFileName> |
| | | <LongName> 2370301 - Disclosure - Financial Instruments and Risk Management (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/FinancialInstrumentsAndRiskManagementTables </Role> |
| | | <ShortName> Financial Instruments and Risk Management (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/FinancialInstrumentsAndRiskManagement </ParentRole> |
| | | <Position> 54 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R55.htm </HtmlFileName> |
| | | <LongName> 2373301 - Disclosure - Related Party Transactions (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/RelatedPartyTransactionsTables </Role> |
| | | <ShortName> Related Party Transactions (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/RelatedPartyTransactions </ParentRole> |
| | | <Position> 55 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R56.htm </HtmlFileName> |
| | | <LongName> 2376301 - Disclosure - Commitments and Contingencies (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/CommitmentsAndContingenciesTables </Role> |
| | | <ShortName> Commitments and Contingencies (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/CommitmentsAndContingencies </ParentRole> |
| | | <Position> 56 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R57.htm </HtmlFileName> |
| | | <LongName> 2401402 - Disclosure - Description of Business and Segmented Disclosures - Income Statement (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DescriptionOfBusinessAndSegmentedDisclosuresIncomeStatementDetails </Role> |
| | | <ShortName> Description of Business and Segmented Disclosures - Income Statement (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 57 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R58.htm </HtmlFileName> |
| | | <LongName> 2401403 - Disclosure - Description of Business and Segmented Disclosures - Segmented Financial Information (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DescriptionOfBusinessAndSegmentedDisclosuresSegmentedFinancialInformationDetails </Role> |
| | | <ShortName> Description of Business and Segmented Disclosures - Segmented Financial Information (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 58 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R59.htm </HtmlFileName> |
| | | <LongName> 2401404 - Disclosure - Description of Business and Segmented Disclosures - Geographical (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DescriptionOfBusinessAndSegmentedDisclosuresGeographicalDetails </Role> |
| | | <ShortName> Description of Business and Segmented Disclosures - Geographical (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 59 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R60.htm </HtmlFileName> |
| | | <LongName> 2410401 - Disclosure - Cash and Cash Equivalents (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/CashAndCashEquivalentsDetails </Role> |
| | | <ShortName> Cash and Cash Equivalents (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/CashAndCashEquivalents </ParentRole> |
| | | <Position> 60 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R61.htm </HtmlFileName> |
| | | <LongName> 2413402 - Disclosure - Accounts Receivable (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/AccountsReceivableDetails </Role> |
| | | <ShortName> Accounts Receivable (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/AccountsReceivableTables </ParentRole> |
| | | <Position> 61 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R62.htm </HtmlFileName> |
| | | <LongName> 2416402 - Disclosure - Inventories (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/InventoriesDetails </Role> |
| | | <ShortName> Inventories (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/InventoriesTables </ParentRole> |
| | | <Position> 62 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R63.htm </HtmlFileName> |
| | | <LongName> 2419401 - Disclosure - Restricted Cash Restricted Cash (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/RestrictedCashRestrictedCashDetails </Role> |
| | | <ShortName> Restricted Cash Restricted Cash (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 63 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R64.htm </HtmlFileName> |
| | | <LongName> 2422402 - Disclosure - Exploration and Evaluation Costs - Exploration and Evaluation Assets (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ExplorationAndEvaluationCostsExplorationAndEvaluationAssetsDetails </Role> |
| | | <ShortName> Exploration and Evaluation Costs - Exploration and Evaluation Assets (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 64 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R65.htm </HtmlFileName> |
| | | <LongName> 2422403 - Disclosure - Exploration and Evaluation Costs - Exploration and Evaluation Expense Summary (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ExplorationAndEvaluationCostsExplorationAndEvaluationExpenseSummaryDetails </Role> |
| | | <ShortName> Exploration and Evaluation Costs - Exploration and Evaluation Expense Summary (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 65 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R66.htm </HtmlFileName> |
| | | <LongName> 2425402 - Disclosure - Property, Plant and Equipment - Property, Plant and Equipment (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PropertyPlantAndEquipmentPropertyPlantAndEquipmentDetails </Role> |
| | | <ShortName> Property, Plant and Equipment - Property, Plant and Equipment (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 66 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R67.htm </HtmlFileName> |
| | | <LongName> 2425403 - Disclosure - Property, Plant and Equipment (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PropertyPlantAndEquipmentDetails </Role> |
| | | <ShortName> Property, Plant and Equipment (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/PropertyPlantAndEquipmentTables </ParentRole> |
| | | <Position> 67 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R68.htm </HtmlFileName> |
| | | <LongName> 2425404 - Disclosure - Property, Plant and Equipment -Assets Under Finance Lease (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PropertyPlantAndEquipmentAssetsUnderFinanceLeaseDetails </Role> |
| | | <ShortName> Property, Plant and Equipment -Assets Under Finance Lease (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 68 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R69.htm </HtmlFileName> |
| | | <LongName> 2425405 - Disclosure - Property, Plant and Equipment - Purchase Price Allocation (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PropertyPlantAndEquipmentPurchasePriceAllocationDetails </Role> |
| | | <ShortName> Property, Plant and Equipment - Purchase Price Allocation (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 69 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R70.htm </HtmlFileName> |
| | | <LongName> 2428402 - Disclosure - Goodwill - Goodwill Rollforward (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/GoodwillGoodwillRollforwardDetails </Role> |
| | | <ShortName> Goodwill - Goodwill Rollforward (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 70 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R71.htm </HtmlFileName> |
| | | <LongName> 2428403 - Disclosure - Goodwill (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/GoodwillDetails </Role> |
| | | <ShortName> Goodwill (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/GoodwillTables </ParentRole> |
| | | <Position> 71 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R72.htm </HtmlFileName> |
| | | <LongName> 2431402 - Disclosure - Joint Arrangements - BP-Husky Refining LLC (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/JointArrangementsBpHuskyRefiningLlcDetails </Role> |
| | | <ShortName> Joint Arrangements - BP-Husky Refining LLC (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 72 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R73.htm </HtmlFileName> |
| | | <LongName> 2431403 - Disclosure - Joint Arrangements - Sunrise Oil Sands Partnership (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/JointArrangementsSunriseOilSandsPartnershipDetails </Role> |
| | | <ShortName> Joint Arrangements - Sunrise Oil Sands Partnership (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 73 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R74.htm </HtmlFileName> |
| | | <LongName> 2431404 - Disclosure - Joint Arrangements - Husky-CNOOC Madura Ltd. (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/JointArrangementsHuskyCnoocMaduraLtdDetails </Role> |
| | | <ShortName> Joint Arrangements - Husky-CNOOC Madura Ltd. (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 74 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R75.htm </HtmlFileName> |
| | | <LongName> 2431405 - Disclosure - Joint Arrangements - Husky Midstream Limited Partnership (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/JointArrangementsHuskyMidstreamLimitedPartnershipDetails </Role> |
| | | <ShortName> Joint Arrangements - Husky Midstream Limited Partnership (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 75 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R76.htm </HtmlFileName> |
| | | <LongName> 2434402 - Disclosure - Other Assets (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/OtherAssetsDetails </Role> |
| | | <ShortName> Other Assets (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/OtherAssetsTables </ParentRole> |
| | | <Position> 76 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R77.htm </HtmlFileName> |
| | | <LongName> 2437401 - Disclosure - Bank Operating Loans (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/BankOperatingLoansDetails </Role> |
| | | <ShortName> Bank Operating Loans (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/BankOperatingLoans </ParentRole> |
| | | <Position> 77 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R78.htm </HtmlFileName> |
| | | <LongName> 2440402 - Disclosure - Accounts Payable and Accrued Liabilities (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/AccountsPayableAndAccruedLiabilitiesDetails </Role> |
| | | <ShortName> Accounts Payable and Accrued Liabilities (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/AccountsPayableAndAccruedLiabilitiesTables </ParentRole> |
| | | <Position> 78 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R79.htm </HtmlFileName> |
| | | <LongName> 2443402 - Disclosure - Debt and Credit Facilities - Short-term Debt (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DebtAndCreditFacilitiesShortTermDebtDetails </Role> |
| | | <ShortName> Debt and Credit Facilities - Short-term Debt (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 79 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R80.htm </HtmlFileName> |
| | | <LongName> 2443403 - Disclosure - Debt and Credit Facilities - Long-term Debt (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DebtAndCreditFacilitiesLongTermDebtDetails </Role> |
| | | <ShortName> Debt and Credit Facilities - Long-term Debt (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 80 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R81.htm </HtmlFileName> |
| | | <LongName> 2443404 - Disclosure - Debt and Credit Facilities - Credit Facilities (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DebtAndCreditFacilitiesCreditFacilitiesDetails </Role> |
| | | <ShortName> Debt and Credit Facilities - Credit Facilities (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 81 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R82.htm </HtmlFileName> |
| | | <LongName> 2443405 - Disclosure - Debt and Credit Facilities - Notes (Details) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DebtAndCreditFacilitiesNotesDetails </Role> |
| | | <ShortName> Debt and Credit Facilities - Notes (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 82 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R83.htm </HtmlFileName> |
| | | <LongName> 2443406 - Disclosure - Debt and Credit Facilities - Reconciliation of Changes of Liabilities to Cash Flows from Financing Activities (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/DebtAndCreditFacilitiesReconciliationOfChangesOfLiabilitiesToCashFlowsFromFinancingActivitiesDetails </Role> |
| | | <ShortName> Debt and Credit Facilities - Reconciliation of Changes of Liabilities to Cash Flows from Financing Activities (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 83 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R84.htm </HtmlFileName> |
| | | <LongName> 2446402 - Disclosure - Asset Retirement Obligations - Carrying amount of ARO (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/AssetRetirementObligationsCarryingAmountOfAroDetails </Role> |
| | | <ShortName> Asset Retirement Obligations - Carrying amount of ARO (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 84 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R85.htm </HtmlFileName> |
| | | <LongName> 2446403 - Disclosure - Asset Retirement Obligations - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/AssetRetirementObligationsNarrativeDetails </Role> |
| | | <ShortName> Asset Retirement Obligations - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 85 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R86.htm </HtmlFileName> |
| | | <LongName> 2449402 - Disclosure - Other Long-term Liabilities - Other Long-Term Liabilities (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/OtherLongTermLiabilitiesOtherLongTermLiabilitiesDetails </Role> |
| | | <ShortName> Other Long-term Liabilities - Other Long-Term Liabilities (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 86 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R87.htm </HtmlFileName> |
| | | <LongName> 2449403 - Disclosure - Other Long-term Liabilities (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/OtherLongTermLiabilitiesDetails </Role> |
| | | <ShortName> Other Long-term Liabilities (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/OtherLongTermLiabilitiesTables </ParentRole> |
| | | <Position> 87 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R88.htm </HtmlFileName> |
| | | <LongName> 2449404 - Disclosure - Other Long-term Liabilities - Future Minimum Lease Payments (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/OtherLongTermLiabilitiesFutureMinimumLeasePaymentsDetails </Role> |
| | | <ShortName> Other Long-term Liabilities - Future Minimum Lease Payments (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 88 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R89.htm </HtmlFileName> |
| | | <LongName> 2452402 - Disclosure - Income Taxes - Income Tax Expense (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/IncomeTaxesIncomeTaxExpenseDetails </Role> |
| | | <ShortName> Income Taxes - Income Tax Expense (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 89 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R90.htm </HtmlFileName> |
| | | <LongName> 2452403 - Disclosure - Income Taxes - Deferred Tax Items in OCI (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/IncomeTaxesDeferredTaxItemsInOciDetails </Role> |
| | | <ShortName> Income Taxes - Deferred Tax Items in OCI (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 90 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R91.htm </HtmlFileName> |
| | | <LongName> 2452404 - Disclosure - Income Taxes - Reconciliation of Effective Tax Rate (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/IncomeTaxesReconciliationOfEffectiveTaxRateDetails </Role> |
| | | <ShortName> Income Taxes - Reconciliation of Effective Tax Rate (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 91 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R92.htm </HtmlFileName> |
| | | <LongName> 2452405 - Disclosure - Income Taxes - Deferred Tax Liabilities and Assets (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/IncomeTaxesDeferredTaxLiabilitiesAndAssetsDetails </Role> |
| | | <ShortName> Income Taxes - Deferred Tax Liabilities and Assets (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 92 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R93.htm </HtmlFileName> |
| | | <LongName> 2455402 - Disclosure - Share Capital - Common Shares (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ShareCapitalCommonSharesDetails </Role> |
| | | <ShortName> Share Capital - Common Shares (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 93 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R94.htm </HtmlFileName> |
| | | <LongName> 2455403 - Disclosure - Share Capital - Preferred Shares (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ShareCapitalPreferredSharesDetails </Role> |
| | | <ShortName> Share Capital - Preferred Shares (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 94 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R95.htm </HtmlFileName> |
| | | <LongName> 2455404 - Disclosure - Share Capital - Preferred Shares Textual (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ShareCapitalPreferredSharesTextualDetails </Role> |
| | | <ShortName> Share Capital - Preferred Shares Textual (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 95 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R96.htm </HtmlFileName> |
| | | <LongName> 2455405 - Disclosure - Share Capital - Redeemable Preferred Shares Dividends (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ShareCapitalRedeemablePreferredSharesDividendsDetails </Role> |
| | | <ShortName> Share Capital - Redeemable Preferred Shares Dividends (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 96 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R97.htm </HtmlFileName> |
| | | <LongName> 2455406 - Disclosure - Share Capital - Stock Option Plan (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ShareCapitalStockOptionPlanDetails </Role> |
| | | <ShortName> Share Capital - Stock Option Plan (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 97 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R98.htm </HtmlFileName> |
| | | <LongName> 2455407 - Disclosure - Share Capital - Outstanding and Exercisable Options (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ShareCapitalOutstandingAndExercisableOptionsDetails </Role> |
| | | <ShortName> Share Capital - Outstanding and Exercisable Options (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 98 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R99.htm </HtmlFileName> |
| | | <LongName> 2455408 - Disclosure - Share Capital - Outstanding and Exercisable Options-Range of Exercise Prices (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ShareCapitalOutstandingAndExercisableOptionsRangeOfExercisePricesDetails </Role> |
| | | <ShortName> Share Capital - Outstanding and Exercisable Options-Range of Exercise Prices (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 99 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R100.htm </HtmlFileName> |
| | | <LongName> 2455409 - Disclosure - Share Capital - Fair Value (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ShareCapitalFairValueDetails </Role> |
| | | <ShortName> Share Capital - Fair Value (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 100 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R101.htm </HtmlFileName> |
| | | <LongName> 2455410 - Disclosure - Share Capital - Performance Share Units (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ShareCapitalPerformanceShareUnitsDetails </Role> |
| | | <ShortName> Share Capital - Performance Share Units (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 101 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R102.htm </HtmlFileName> |
| | | <LongName> 2455411 - Disclosure - Share Capital - Earnings Per Share (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ShareCapitalEarningsPerShareDetails </Role> |
| | | <ShortName> Share Capital - Earnings Per Share (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 102 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R103.htm </HtmlFileName> |
| | | <LongName> 2458402 - Disclosure - Production, Operating and Transportation and Selling, General, and Administrative Expenses - Production, Operating and Trasportation Expenses (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ProductionOperatingAndTransportationAndSellingGeneralAndAdministrativeExpensesProductionOperatingAndTrasportationExpensesDetails </Role> |
| | | <ShortName> Production, Operating and Transportation and Selling, General, and Administrative Expenses - Production, Operating and Trasportation Expenses (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 103 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R104.htm </HtmlFileName> |
| | | <LongName> 2458403 - Disclosure - Production, Operating and Transportation and Selling, General, and Administrative Expenses - Selling, general and administrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/ProductionOperatingAndTransportationAndSellingGeneralAndAdministrativeExpensesSellingGeneralAndAdministrativeDetails </Role> |
| | | <ShortName> Production, Operating and Transportation and Selling, General, and Administrative Expenses - Selling, general and administrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 104 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R105.htm </HtmlFileName> |
| | | <LongName> 2461402 - Disclosure - Financial Items (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/FinancialItemsDetails </Role> |
| | | <ShortName> Financial Items (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/FinancialItemsTables </ParentRole> |
| | | <Position> 105 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R106.htm </HtmlFileName> |
| | | <LongName> 2464402 - Disclosure - Pensions and Other Post-employment Benefits - Defined Contribution Pension Plan. Defined Benefit Obligation, Fair Value of Plan Assets and Funded Status (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PensionsAndOtherPostEmploymentBenefitsDefinedContributionPensionPlanDefinedBenefitObligationFairValueOfPlanAssetsAndFundedStatusDetails </Role> |
| | | <ShortName> Pensions and Other Post-employment Benefits - Defined Contribution Pension Plan. Defined Benefit Obligation, Fair Value of Plan Assets and Funded Status (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 106 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R107.htm </HtmlFileName> |
| | | <LongName> 2464403 - Disclosure - Pensions and Other Post-employment Benefits - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PensionsAndOtherPostEmploymentBenefitsNarrativeDetails </Role> |
| | | <ShortName> Pensions and Other Post-employment Benefits - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 107 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R108.htm </HtmlFileName> |
| | | <LongName> 2464404 - Disclosure - Pensions and Other Post-employment Benefits - DB Pension Plan Assets (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PensionsAndOtherPostEmploymentBenefitsDbPensionPlanAssetsDetails </Role> |
| | | <ShortName> Pensions and Other Post-employment Benefits - DB Pension Plan Assets (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 108 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R109.htm </HtmlFileName> |
| | | <LongName> 2464405 - Disclosure - Pensions and Other Post-employment Benefits - Defined Contribution Pension Plan - Net Earnings and OCI (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PensionsAndOtherPostEmploymentBenefitsDefinedContributionPensionPlanNetEarningsAndOciDetails </Role> |
| | | <ShortName> Pensions and Other Post-employment Benefits - Defined Contribution Pension Plan - Net Earnings and OCI (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 109 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R110.htm </HtmlFileName> |
| | | <LongName> 2464406 - Disclosure - Pensions and Other Post-employment Benefits - Actuarial Assumptions and Sensitivity Analysis (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/PensionsAndOtherPostEmploymentBenefitsActuarialAssumptionsAndSensitivityAnalysisDetails </Role> |
| | | <ShortName> Pensions and Other Post-employment Benefits - Actuarial Assumptions and Sensitivity Analysis (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 110 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R111.htm </HtmlFileName> |
| | | <LongName> 2467402 - Disclosure - Cash Flows - Change in Non-cash Working Capital (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/CashFlowsChangeInNonCashWorkingCapitalDetails </Role> |
| | | <ShortName> Cash Flows - Change in Non-cash Working Capital (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/CashFlowsChangeInNonCashWorkingCapitalTables </ParentRole> |
| | | <Position> 111 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R112.htm </HtmlFileName> |
| | | <LongName> 2470402 - Disclosure - Financial Instruments and Risk Management - Financial Instruments at Fair Value (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/FinancialInstrumentsAndRiskManagementFinancialInstrumentsAtFairValueDetails </Role> |
| | | <ShortName> Financial Instruments and Risk Management - Financial Instruments at Fair Value (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 112 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R113.htm </HtmlFileName> |
| | | <LongName> 2470403 - Disclosure - Financial Instruments and Risk Management - Market Risk (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/FinancialInstrumentsAndRiskManagementMarketRiskDetails </Role> |
| | | <ShortName> Financial Instruments and Risk Management - Market Risk (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 113 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R114.htm </HtmlFileName> |
| | | <LongName> 2470404 - Disclosure - Financial Instruments and Risk Management - Earnings Impact (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/FinancialInstrumentsAndRiskManagementEarningsImpactDetails </Role> |
| | | <ShortName> Financial Instruments and Risk Management - Earnings Impact (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 114 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R115.htm </HtmlFileName> |
| | | <LongName> 2470405 - Disclosure - Financial Instruments and Risk Management - Offsetting Financial Assets and Liabilities (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/FinancialInstrumentsAndRiskManagementOffsettingFinancialAssetsAndLiabilitiesDetails </Role> |
| | | <ShortName> Financial Instruments and Risk Management - Offsetting Financial Assets and Liabilities (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 115 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R116.htm </HtmlFileName> |
| | | <LongName> 2470406 - Disclosure - Financial Instruments and Risk Management - Market Risk Sensitivity Analysis (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/FinancialInstrumentsAndRiskManagementMarketRiskSensitivityAnalysisDetails </Role> |
| | | <ShortName> Financial Instruments and Risk Management - Market Risk Sensitivity Analysis (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 116 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R117.htm </HtmlFileName> |
| | | <LongName> 2470407 - Disclosure - Financial Instruments and Risk Management - Financial Risk (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/FinancialInstrumentsAndRiskManagementFinancialRiskDetails </Role> |
| | | <ShortName> Financial Instruments and Risk Management - Financial Risk (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 117 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R118.htm </HtmlFileName> |
| | | <LongName> 2470408 - Disclosure - Financial Instruments and Risk Management - Accounts Receivable Aging (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/FinancialInstrumentsAndRiskManagementAccountsReceivableAgingDetails </Role> |
| | | <ShortName> Financial Instruments and Risk Management - Accounts Receivable Aging (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 118 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R119.htm </HtmlFileName> |
| | | <LongName> 2473402 - Disclosure - Related Party Transactions - Significant Subsidiaries and Joint Operations (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/RelatedPartyTransactionsSignificantSubsidiariesAndJointOperationsDetails </Role> |
| | | <ShortName> Related Party Transactions - Significant Subsidiaries and Joint Operations (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 119 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R120.htm </HtmlFileName> |
| | | <LongName> 2473403 - Disclosure - Related Party Transactions (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/RelatedPartyTransactionsDetails </Role> |
| | | <ShortName> Related Party Transactions (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/RelatedPartyTransactionsTables </ParentRole> |
| | | <Position> 120 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R121.htm </HtmlFileName> |
| | | <LongName> 2473404 - Disclosure - Related Party Transactions - Compensation of key management personnel (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/RelatedPartyTransactionsCompensationOfKeyManagementPersonnelDetails </Role> |
| | | <ShortName> Related Party Transactions - Compensation of key management personnel (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 121 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R122.htm </HtmlFileName> |
| | | <LongName> 2476402 - Disclosure - Commitments and Contingencies (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/CommitmentsAndContingenciesDetails </Role> |
| | | <ShortName> Commitments and Contingencies (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/CommitmentsAndContingenciesTables </ParentRole> |
| | | <Position> 122 </Position> |
| | | </Report> |
| | <Report instance="huskf-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R123.htm </HtmlFileName> |
| | | <LongName> 2479401 - Disclosure - Capital Disclosures (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.huskyenergy.ca/role/CapitalDisclosuresDetails </Role> |
| | | <ShortName> Capital Disclosures (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.huskyenergy.ca/role/CapitalDisclosures </ParentRole> |
| | | <Position> 123 </Position> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
| | | </Report> |
| | </MyReports> |
| <InputFiles> |
| | <File> huskf-20171231.xml </File> |
| | <File> huskf-20171231.xsd </File> |
| | <File> huskf-20171231_cal.xml </File> |
| | <File> huskf-20171231_def.xml </File> |
| | <File> huskf-20171231_lab.xml </File> |
| | <File> huskf-20171231_pre.xml </File> |
| | </InputFiles> |
| <SupplementalFiles/> |
| <BaseTaxonomies> |
| | <BaseTaxonomy> http://xbrl.sec.gov/country/2017-01-31 </BaseTaxonomy> |
| | <BaseTaxonomy> http://xbrl.sec.gov/currency/2016-01-31 </BaseTaxonomy> |
| | <BaseTaxonomy> http://xbrl.sec.gov/dei/2014-01-31 </BaseTaxonomy> |
| | <BaseTaxonomy> http://xbrl.ifrs.org/taxonomy/2017-03-09/ifrs-full </BaseTaxonomy> |
| | </BaseTaxonomies> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |