$IMO
IMPERIAL OIL LTD Stock $imo

$imo Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000004993823000015 Filed on February 22, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	12.12B cads	$14.40B	59.67B cads
YoY Change	-4.23%	17.12%	59.09%
Cost Of Revenue	$9.234B	$10.86B	$45.15B
YoY Change	-7.74%	10.13%	53.09%
Gross Profit	$2.823B	$3.542B	$14.27B
YoY Change	6.61%	45.4%	77.94%
Gross Profit Margin	23.29%	24.6%	23.91%
Selling, General & Admin	$715.0M	$820.0M	$3.061B
YoY Change	1.56%	10.96%	12.87%
% of Gross Profit	25.33%	23.15%	21.46%
Research & Development	$1.000M	$1.000M	74.00M cads
YoY Change	-50.0%	-96.15%	131.25%
% of Gross Profit	0.04%	0.03%	0.52%
Depreciation & Amortization	490.0M cads	$465.0M	1.897B cads
YoY Change	15.02%	-14.68%	-4.05%
% of Gross Profit	17.36%	13.13%	13.3%
Operating Expenses	$1.226B	$1.290B	74.00M cads
YoY Change	7.92%	-2.27%	-98.45%
Operating Profit	$1.597B	$2.252B	$14.19B
YoY Change	5.62%	101.79%	336.04%
Interest Expense	16.00M cads	$29.00M	60.00M cads
YoY Change	700.0%	-3000.0%	11.11%
% of Operating Profit	1.0%	1.29%	0.42%
Other Income/Expense, Net	$0.00	-$5.000M	-$6.000M
YoY Change		-64.29%	-60.0%
Pretax Income	1.645B cads	$2.279B	9.484B cads
YoY Change	7.24%	105.13%	188.88%
Income Tax	397.0M cads	$552.0M	2.144B cads
% Of Pretax Income	24.13%	24.22%	22.61%
Net Earnings	1.248B cads	$1.727B	7.340B cads
YoY Change	6.39%	112.42%	196.09%
Net Earnings / Revenue	10.3%	11.99%	12.3%
Basic Earnings Per Share	$2.14		$11.47
Diluted Earnings Per Share	$2.13	$2.87	$11.44
COMMON SHARES
Basic Shares Outstanding	584.2M shares		640.2M shares
Diluted Shares Outstanding	585.4M shares		641.5M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.243B	$3.749B	$3.749B
YoY Change	-28.77%	74.13%	74.13%
Cash & Equivalents	2.243B cads	3.749B cads	$3.749B
Short-Term Investments
Other Short-Term Assets	$989.0M	$754.0M	$754.0M
YoY Change	26.47%	9.43%	9.43%
Inventory	$1.757B	$1.514B	$1.514B
Prepaid Expenses
Receivables	$3.375B	$3.611B	$3.611B
Other Receivables	$908.0M	$1.108B	$1.108B
Total Short-Term Assets	9.272B cads	10.74B cads	$10.74B
YoY Change	-13.49%	37.41%	37.41%
LONG-TERM ASSETS
Property, Plant & Equipment	30.44B cads	30.51B cads	$30.75B
YoY Change	-2.14%	-2.35%	-2.33%
Goodwill	166.0M cads	166.0M cads
YoY Change		0.0%
Intangibles
YoY Change
Long-Term Investments	$708.0M	$605.0M	$605.0M
YoY Change	54.92%	31.81%	31.81%
Other Assets	1.240B cads	1.223B cads	$978.0M
YoY Change	16.43%	51.74%	74.33%
Total Long-Term Assets	32.84B cads	32.79B cads	$32.79B
YoY Change	-0.75%	-0.55%	-0.55%
TOTAL ASSETS
Total Short-Term Assets	9.272B cads	10.74B cads	$10.74B
Total Long-Term Assets	32.84B cads	32.79B cads	$32.79B
Total Assets	42.12B cads	43.52B cads	$43.52B
YoY Change	-3.87%	6.72%	6.72%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$5.830B	$6.094B	$5.636B
YoY Change	-19.8%	30.58%	20.76%
Accrued Expenses	$100.0M	$100.0M	$558.0M
YoY Change	5.26%	-80.66%	7.93%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$122.0M	$122.0M	$122.0M
YoY Change	0.0%	0.0%	0.0%
Total Short-Term Liabilities	6.557B cads	8.898B cads	$8.898B
YoY Change	-24.21%	60.21%	60.21%
LONG-TERM LIABILITIES
Long-Term Debt	3.447B cads	3.447B cads	$4.033B
YoY Change	-31.73%	-22.49%	-20.2%
Other Long-Term Liabilities	3.409B cads	3.467B cads	$3.467B
YoY Change	-0.5%	-11.03%	-11.03%
Total Long-Term Liabilities	6.856B cads	6.914B cads	$7.500B
YoY Change	-19.1%	-17.14%	-16.21%
TOTAL LIABILITIES
Total Short-Term Liabilities	6.557B cads	8.898B cads	$8.898B
Total Long-Term Liabilities	6.856B cads	6.914B cads	$7.500B
Total Liabilities	18.68B cads	21.11B cads	$21.11B
YoY Change	-13.25%	10.84%	10.84%
SHAREHOLDERS EQUITY
Retained Earnings	22.84B cads	21.85B cads
YoY Change		0.86%
Common Stock	1.079B cads	1.079B cads
YoY Change	-12.77%	-13.82%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	23.44B cads	22.41B cads	$22.41B
YoY Change
Total Liabilities & Shareholders Equity	42.12B cads	43.52B cads	$43.52B
YoY Change	-3.87%	6.72%	6.72%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	1.248B cads	$1.727B	7.340B cads
YoY Change	6.39%	112.42%	196.09%
Depreciation, Depletion And Amortization	490.0M cads	$465.0M	1.897B cads
YoY Change	15.02%	-14.68%	-4.05%
Cash From Operating Activities	-821.0M cads	$2.797B	10.48B cads
YoY Change	-142.89%	71.38%	91.42%
INVESTING ACTIVITIES
Capital Expenditures	$429.0M	$492.0M	$1.526B
YoY Change	-241.12%	-216.04%	-237.73%
Acquisitions
YoY Change
Other Investing Activities	$15.00M	$19.00M	$908.0M
YoY Change	-40.0%	-24.0%	845.83%
Cash From Investing Activities	-414.0M cads	-$473.0M	-618.0M cads
YoY Change	48.39%	18.55%	-38.93%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			6.395B cads
YoY Change
Debt Paid & Issued, Net			1.000B cads
YoY Change
Cash From Financing Activities	-271.0M cads	-2.151B	-8.268B cads
YoY Change	-57.59%	125.24%	168.27%
NET CHANGE
Cash From Operating Activities	-821.0M cads	2.797B	10.48B cads
Cash From Investing Activities	-414.0M cads	-473.0M	-618.0M cads
Cash From Financing Activities	-271.0M cads	-2.151B	-8.268B cads
Net Change In Cash	-1.506B cads	173.0M	1.596B cads
YoY Change	-251.2%	-37.77%	-70.85%
FREE CASH FLOW
Cash From Operating Activities	-821.0M cads	$2.797B	10.48B cads
Capital Expenditures	$429.0M	$492.0M	$1.526B
Free Cash Flow	-1.250B cads	$2.305B	8.956B cads
YoY Change	-156.36%	12.11%	36.03%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0000049938
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022Q4	us-gaap	Derivative Asset Statement Of Financial Position Extensible Enumeration DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherAssetsNoncurrent http://fasb.org/us-gaap/2022#ReceivablesNetCurrent http://www.imperialoil.ca/20221231#MaterialsSuppliesAndPrepaidExpenses
CY2022Q4	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#AccountsPayableAndAccruedLiabilitiesCurrent http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2021Q4	us-gaap	Derivative Asset Statement Of Financial Position Extensible Enumeration DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherAssetsNoncurrent http://fasb.org/us-gaap/2022#ReceivablesNetCurrent http://www.imperialoil.ca/20221231#MaterialsSuppliesAndPrepaidExpenses
CY2021Q4	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#AccountsPayableAndAccruedLiabilitiesCurrent http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssetsNoncurrent
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssetsNoncurrent
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#PropertyPlantAndEquipmentNet
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#PropertyPlantAndEquipmentNet
CY2021Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#AccountsPayableAndAccruedLiabilitiesCurrent
CY2022Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#AccountsPayableAndAccruedLiabilitiesCurrent
CY2021Q4	us-gaap	Finance Lease Liability Statement Of Financial Position Extensible List FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#LongTermDebtAndCapitalLeaseObligations http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2022Q4	us-gaap	Finance Lease Liability Statement Of Financial Position Extensible List FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#LongTermDebtAndCapitalLeaseObligations http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	0-12014
CY2022	dei	Entity Registrant Name EntityRegistrantName	IMPERIAL OIL LIMITED
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	Z4
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	98-0017682
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	505 Quarry Park Boulevard S.E.
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Calgary
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	AB
CY2022	dei	Entity Address Country EntityAddressCountry	CA
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	T2C 5N1
CY2022	dei	City Area Code CityAreaCode	800
CY2022	dei	Local Phone Number LocalPhoneNumber	567-3776
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022Q2	dei	Entity Public Float EntityPublicFloat	11744615092	cad
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	584152718	shares
CY2022	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2022	dei	Auditor Firm AuditorFirmId	271
CY2022	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2022	dei	Auditor Location AuditorLocation	Calgary, Canada
CY2022	imo	Revenues Including Federal Excise Tax RevenuesIncludingFederalExciseTax	59413000000	cad
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CY2022	imo	Investment And Other Income Net InvestmentAndOtherIncomeNet	257000000	cad
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CY2022	us-gaap	Exploration Expense ExplorationExpense	5000000	cad
CY2021	us-gaap	Exploration Expense ExplorationExpense	32000000	cad
CY2020	us-gaap	Exploration Expense ExplorationExpense	13000000	cad
CY2022	imo	Crude Oil And Product Purchases CrudeOilAndProductPurchases	37742000000	cad
CY2021	imo	Crude Oil And Product Purchases CrudeOilAndProductPurchases	23174000000	cad
CY2020	imo	Crude Oil And Product Purchases CrudeOilAndProductPurchases	13293000000	cad
CY2022	imo	Production And Manufacturing Expenses ProductionAndManufacturingExpenses	7404000000	cad
CY2021	imo	Production And Manufacturing Expenses ProductionAndManufacturingExpenses	6316000000	cad
CY2020	imo	Production And Manufacturing Expenses ProductionAndManufacturingExpenses	5535000000	cad
CY2022	imo	Selling And General SellingAndGeneral	882000000	cad
CY2021	imo	Selling And General SellingAndGeneral	784000000	cad
CY2020	imo	Selling And General SellingAndGeneral	741000000	cad
CY2022	imo	Federal Excise Tax And Fuel Charge FederalExciseTaxAndFuelCharge	2179000000	cad
CY2021	imo	Federal Excise Tax And Fuel Charge FederalExciseTaxAndFuelCharge	1928000000	cad
CY2020	imo	Federal Excise Tax And Fuel Charge FederalExciseTaxAndFuelCharge	1736000000	cad
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1897000000	cad
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1977000000	cad
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3293000000	cad
CY2022	imo	Pension And Post Retirement Benefit Costs Non Service Components PensionAndPostRetirementBenefitCostsNonServiceComponents	17000000	cad
CY2021	imo	Pension And Post Retirement Benefit Costs Non Service Components PensionAndPostRetirementBenefitCostsNonServiceComponents	42000000	cad
CY2020	imo	Pension And Post Retirement Benefit Costs Non Service Components PensionAndPostRetirementBenefitCostsNonServiceComponents	121000000	cad
CY2022	us-gaap	Interest Expense InterestExpense	60000000	cad
CY2021	us-gaap	Interest Expense InterestExpense	54000000	cad
CY2020	us-gaap	Interest Expense InterestExpense	64000000	cad
CY2022	us-gaap	Costs And Expenses CostsAndExpenses	50186000000	cad
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	34307000000	cad
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	24796000000	cad
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	9484000000	cad
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CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	11.47
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CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	5554000000	cad
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CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	5054000000	cad
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CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	3897000000	cad
CY2022Q4	us-gaap	Deferred Tax And Other Liabilities Noncurrent DeferredTaxAndOtherLiabilitiesNoncurrent	4713000000	cad
CY2021Q4	us-gaap	Deferred Tax And Other Liabilities Noncurrent DeferredTaxAndOtherLiabilitiesNoncurrent	4542000000	cad
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CY2021Q4	us-gaap	Liabilities Liabilities	19047000000	cad
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CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		cad
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	1079000000	cad
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	1252000000	cad
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CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	21660000000	cad
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-512000000	cad
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1177000000	cad
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	22413000000	cad
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	21735000000	cad
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CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	40782000000	cad
CY2022Q4	us-gaap	Related Party Transaction Due From To Related Party Current RelatedPartyTransactionDueFromToRelatedPartyCurrent	1108000000	cad
CY2021Q4	us-gaap	Related Party Transaction Due From To Related Party Current RelatedPartyTransactionDueFromToRelatedPartyCurrent	1031000000	cad
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CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1100000000	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	678000000	shares
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CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	21735000000	cad
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	21418000000	cad
CY2022	us-gaap	Net Income Loss NetIncomeLoss	7340000000	cad
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2479000000	cad
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-1857000000	cad
CY2022	imo	Depreciation Depletion And Amortization Excluding Intangible Asset Impairment Charges DepreciationDepletionAndAmortizationExcludingIntangibleAssetImpairmentCharges	1897000000	cad
CY2021	imo	Depreciation Depletion And Amortization Excluding Intangible Asset Impairment Charges DepreciationDepletionAndAmortizationExcludingIntangibleAssetImpairmentCharges	1977000000	cad
CY2020	imo	Depreciation Depletion And Amortization Excluding Intangible Asset Impairment Charges DepreciationDepletionAndAmortizationExcludingIntangibleAssetImpairmentCharges	3273000000	cad
CY2022	imo	Intangible Asset Impairment Charges IntangibleAssetImpairmentCharges	0	cad
CY2021	imo	Intangible Asset Impairment Charges IntangibleAssetImpairmentCharges	0	cad
CY2020	imo	Intangible Asset Impairment Charges IntangibleAssetImpairmentCharges	20000000	cad
CY2022	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	158000000	cad
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	49000000	cad
CY2020	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	35000000	cad
CY2022	imo	Deferred Income Taxes And Other DeferredIncomeTaxesAndOther	-77000000	cad
CY2021	imo	Deferred Income Taxes And Other DeferredIncomeTaxesAndOther	91000000	cad
CY2020	imo	Deferred Income Taxes And Other DeferredIncomeTaxesAndOther	-521000000	cad
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	862000000	cad
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1950000000	cad
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-780000000	cad
CY2022	imo	Increase Decrease In Inventories Materials And Supplies And Prepaid Expenses IncreaseDecreaseInInventoriesMaterialsAndSuppliesAndPrepaidExpenses	477000000	cad
CY2021	imo	Increase Decrease In Inventories Materials And Supplies And Prepaid Expenses IncreaseDecreaseInInventoriesMaterialsAndSuppliesAndPrepaidExpenses	-45000000	cad
CY2020	imo	Increase Decrease In Inventories Materials And Supplies And Prepaid Expenses IncreaseDecreaseInInventoriesMaterialsAndSuppliesAndPrepaidExpenses	-78000000	cad
CY2022	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	1876000000	cad
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	248000000	cad
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-106000000	cad
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	948000000	cad
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	2020000000	cad
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1087000000	cad
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	5000000	cad
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-615000000	cad
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-253000000	cad
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	10482000000	cad
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	5476000000	cad
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	798000000	cad
CY2022	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1526000000	cad
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1108000000	cad
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	868000000	cad
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	904000000	cad
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	81000000	cad
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	82000000	cad
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	20000000	cad
CY2022	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	6000000	cad
CY2021	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	0	cad
CY2020	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	0	cad
CY2022	imo	Payments Or Receipts Associated With Equity Company Loans PaymentsOrReceiptsAssociatedWithEquityCompanyLoans	-10000000	cad
CY2021	imo	Payments Or Receipts Associated With Equity Company Loans PaymentsOrReceiptsAssociatedWithEquityCompanyLoans	-15000000	cad
CY2020	imo	Payments Or Receipts Associated With Equity Company Loans PaymentsOrReceiptsAssociatedWithEquityCompanyLoans	16000000	cad
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-618000000	cad
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1012000000	cad
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-802000000	cad
CY2022	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	0	cad
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-111000000	cad
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	0	cad
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1000000000	cad
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	cad
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	cad
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	22000000	cad
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	20000000	cad
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	851000000	cad
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	706000000	cad
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	649000000	cad
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6395000000	cad
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2245000000	cad
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	274000000	cad
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-8268000000	cad
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-3082000000	cad
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-943000000	cad
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1596000000	cad
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1382000000	cad
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-947000000	cad
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2153000000	cad
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	771000000	cad
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1718000000	cad
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3749000000	cad
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2153000000	cad
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	771000000	cad
CY2022	imo	Contribution To Registered Pension Plan Assets ContributionToRegisteredPensionPlanAssets	-174000000	cad
CY2021	imo	Contribution To Registered Pension Plan Assets ContributionToRegisteredPensionPlanAssets	-164000000	cad
CY2020	imo	Contribution To Registered Pension Plan Assets ContributionToRegisteredPensionPlanAssets	-195000000	cad
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-374000000	cad
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	58000000	cad
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-42000000	cad
CY2022	us-gaap	Interest Paid Net InterestPaidNet	60000000	cad
CY2021	us-gaap	Interest Paid Net InterestPaidNet	43000000	cad
CY2020	us-gaap	Interest Paid Net InterestPaidNet	62000000	cad
CY2022	imo	Revenues Including Federal Excise Tax RevenuesIncludingFederalExciseTax	59413000000	cad
CY2021	imo	Revenues Including Federal Excise Tax RevenuesIncludingFederalExciseTax	37508000000	cad
CY2020	imo	Revenues Including Federal Excise Tax RevenuesIncludingFederalExciseTax	22284000000	cad
CY2022	imo	Investment And Other Income Net InvestmentAndOtherIncomeNet	257000000	cad
CY2021	imo	Investment And Other Income Net InvestmentAndOtherIncomeNet	82000000	cad
CY2020	imo	Investment And Other Income Net InvestmentAndOtherIncomeNet	104000000	cad
CY2022	us-gaap	Revenues Revenues	59670000000	cad
CY2021	us-gaap	Revenues Revenues	37590000000	cad
CY2020	us-gaap	Revenues Revenues	22388000000	cad
CY2022	us-gaap	Exploration Expense ExplorationExpense	5000000	cad
CY2021	us-gaap	Exploration Expense ExplorationExpense	32000000	cad
CY2020	us-gaap	Exploration Expense ExplorationExpense	13000000	cad
CY2022	imo	Crude Oil And Product Purchases CrudeOilAndProductPurchases	37742000000	cad
CY2021	imo	Crude Oil And Product Purchases CrudeOilAndProductPurchases	23174000000	cad
CY2020	imo	Crude Oil And Product Purchases CrudeOilAndProductPurchases	13293000000	cad
CY2022	imo	Production And Manufacturing Expenses ProductionAndManufacturingExpenses	7404000000	cad
CY2021	imo	Production And Manufacturing Expenses ProductionAndManufacturingExpenses	6316000000	cad
CY2020	imo	Production And Manufacturing Expenses ProductionAndManufacturingExpenses	5535000000	cad
CY2022	imo	Selling And General SellingAndGeneral	882000000	cad
CY2021	imo	Selling And General SellingAndGeneral	784000000	cad
CY2020	imo	Selling And General SellingAndGeneral	741000000	cad
CY2022	imo	Federal Excise Tax And Fuel Charge FederalExciseTaxAndFuelCharge	2179000000	cad
CY2021	imo	Federal Excise Tax And Fuel Charge FederalExciseTaxAndFuelCharge	1928000000	cad
CY2020	imo	Federal Excise Tax And Fuel Charge FederalExciseTaxAndFuelCharge	1736000000	cad
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1897000000	cad
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1977000000	cad
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3293000000	cad
CY2022	imo	Pension And Post Retirement Benefit Costs Non Service Components PensionAndPostRetirementBenefitCostsNonServiceComponents	17000000	cad
CY2021	imo	Pension And Post Retirement Benefit Costs Non Service Components PensionAndPostRetirementBenefitCostsNonServiceComponents	42000000	cad
CY2020	imo	Pension And Post Retirement Benefit Costs Non Service Components PensionAndPostRetirementBenefitCostsNonServiceComponents	121000000	cad
CY2022	us-gaap	Interest Expense InterestExpense	60000000	cad
CY2021	us-gaap	Interest Expense InterestExpense	54000000	cad
CY2020	us-gaap	Interest Expense InterestExpense	64000000	cad
CY2022	us-gaap	Costs And Expenses CostsAndExpenses	50186000000	cad
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	34307000000	cad
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	24796000000	cad
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	9484000000	cad
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3283000000	cad
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-2408000000	cad
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2144000000	cad
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	804000000	cad
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-551000000	cad
CY2022	us-gaap	Net Income Loss NetIncomeLoss	7340000000	cad
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2479000000	cad
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CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	798000000	cad
CY2022	imo	Capital And Exploration Expenditures CapitalAndExplorationExpenditures	1490000000	cad
CY2021	imo	Capital And Exploration Expenditures CapitalAndExplorationExpenditures	1140000000	cad
CY2020	imo	Capital And Exploration Expenditures CapitalAndExplorationExpenditures	874000000	cad
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	54568000000	cad
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	56762000000	cad
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	55771000000	cad
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	24062000000	cad
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	25522000000	cad
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	23737000000	cad
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	30506000000	cad
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	31240000000	cad
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	32034000000	cad
CY2022Q4	us-gaap	Assets Assets	43524000000	cad
CY2021Q4	us-gaap	Assets Assets	40782000000	cad
CY2020Q4	us-gaap	Assets Assets	38031000000	cad
CY2022	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	52265000000	cad
CY2021	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	34275000000	cad
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	22199000000	cad
CY2022	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	7148000000	cad
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CY2020	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	85000000	cad
CY2022	imo	Revenues Including Federal Excise Tax RevenuesIncludingFederalExciseTax	59413000000	cad
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CY2020	imo	Revenues Including Federal Excise Tax RevenuesIncludingFederalExciseTax	22284000000	cad
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CY2020Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	1874000000	cad
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2228000000	cad
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	711000000	cad
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CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-84000000	cad
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CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	804000000	cad
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CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
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CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0.226
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0.245
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0.229
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Disposition Of Business EffectiveIncomeTaxRateReconciliationDispositionOfBusiness	-0.013
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CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	5284000000	cad
CY2022Q4	imo	Deferred Tax Liabilities Deferred Expense Capitalized Successful Drilling And Land Acquisition DeferredTaxLiabilitiesDeferredExpenseCapitalizedSuccessfulDrillingAndLandAcquisition	236000000	cad
CY2021Q4	imo	Deferred Tax Liabilities Deferred Expense Capitalized Successful Drilling And Land Acquisition DeferredTaxLiabilitiesDeferredExpenseCapitalizedSuccessfulDrillingAndLandAcquisition	331000000	cad
CY2020Q4	imo	Deferred Tax Liabilities Deferred Expense Capitalized Successful Drilling And Land Acquisition DeferredTaxLiabilitiesDeferredExpenseCapitalizedSuccessfulDrillingAndLandAcquisition	363000000	cad
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	105000000	cad
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CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	529000000	cad
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CY2021Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Interest DeferredTaxLiabilitiesDeferredExpenseCapitalizedInterest	120000000	cad
CY2020Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Interest DeferredTaxLiabilitiesDeferredExpenseCapitalizedInterest	120000000	cad
CY2022Q4	imo	Deferred Tax Assets Inventory Noncurrent DeferredTaxAssetsInventoryNoncurrent	454000000	cad
CY2021Q4	imo	Deferred Tax Assets Inventory Noncurrent DeferredTaxAssetsInventoryNoncurrent	413000000	cad
CY2020Q4	imo	Deferred Tax Assets Inventory Noncurrent DeferredTaxAssetsInventoryNoncurrent	150000000	cad
CY2022Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	84000000	cad
CY2021Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	42000000	cad
CY2020Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	460000000	cad
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	73000000	cad
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	cad
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	cad
CY2022Q4	imo	Deferred Tax Assets Other Non Current DeferredTaxAssetsOtherNonCurrent	53000000	cad
CY2021Q4	imo	Deferred Tax Assets Other Non Current DeferredTaxAssetsOtherNonCurrent	101000000	cad
CY2020Q4	imo	Deferred Tax Assets Other Non Current DeferredTaxAssetsOtherNonCurrent	154000000	cad
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	4599000000	cad
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	4458000000	cad
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	4101000000	cad
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	47000000	cad
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	36000000	cad
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	35000000	cad
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	12000000	cad
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	16000000	cad
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2000000	cad
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	10000000	cad
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	cad
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	cad
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	9000000	cad
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	5000000	cad
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1000000	cad
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	60000000	cad
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	47000000	cad
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	36000000	cad
CY2022Q4	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.0601
CY2022Q4	imo	Defined Benefit Plan Health Care Cost Trend Rate Assumed Later Than Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedLaterThanNextFiscalYear	0.0357
CY2022	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.043
CY2022	imo	Actual Rate Of Return Over The Last10 Years ActualRateOfReturnOverTheLast10Years	0.056
CY2022	imo	Actual Rate Of Return Over The Last20 Years ActualRateOfReturnOverTheLast20Years	0.065
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	43000000	cad
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	47000000	cad
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	47000000	cad
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-880000000	cad
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-1076000000	cad
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	101000000	cad
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-215000000	cad
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-264000000	cad
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	23000000	cad
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-665000000	cad
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-812000000	cad
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	78000000	cad
CY2022Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	7541000000	cad
CY2021Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	9440000000	cad
CY2022Q4	us-gaap	Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear	180000000	cad
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	902000000	cad
CY2021Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1362000000	cad
CY2022Q4	imo	Asset Retirement Obligation And Other Environmental Liabilities Noncurrent AssetRetirementObligationAndOtherEnvironmentalLiabilitiesNoncurrent	2150000000	cad
CY2021Q4	imo	Asset Retirement Obligation And Other Environmental Liabilities Noncurrent AssetRetirementObligationAndOtherEnvironmentalLiabilitiesNoncurrent	1713000000	cad
CY2022Q4	us-gaap	Deferred Compensation Sharebased Arrangements Liability Classified Noncurrent DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent	101000000	cad
CY2021Q4	us-gaap	Deferred Compensation Sharebased Arrangements Liability Classified Noncurrent DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent	79000000	cad
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	151000000	cad
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	147000000	cad
CY2022Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	163000000	cad
CY2021Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	596000000	cad
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	3467000000	cad
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	3897000000	cad
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	63000000	cad
CY2021Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	56000000	cad
CY2022Q4	imo	Asset Retirement Obligation And Other Environmental Liabilities Current AssetRetirementObligationAndOtherEnvironmentalLiabilitiesCurrent	116000000	cad
CY2021Q4	imo	Asset Retirement Obligation And Other Environmental Liabilities Current AssetRetirementObligationAndOtherEnvironmentalLiabilitiesCurrent	102000000	cad
CY2022	imo	Asset Retirement Obligations Discounted Rate AssetRetirementObligationsDiscountedRate	0.06
CY2021	imo	Asset Retirement Obligations Discounted Rate AssetRetirementObligationsDiscountedRate	0.06
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1721000000	cad
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1674000000	cad
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1400000000	cad
CY2022	imo	Asset Retirement Obligation Liabilities Incurred Settled AssetRetirementObligationLiabilitiesIncurredSettled	415000000	cad
CY2021	imo	Asset Retirement Obligation Liabilities Incurred Settled AssetRetirementObligationLiabilitiesIncurredSettled	6000000	cad
CY2020	imo	Asset Retirement Obligation Liabilities Incurred Settled AssetRetirementObligationLiabilitiesIncurredSettled	265000000	cad
CY2022	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	101000000	cad
CY2021	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	99000000	cad
CY2020	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	82000000	cad
CY2022	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	59000000	cad
CY2021	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	58000000	cad
CY2020	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	73000000	cad
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	2178000000	cad
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1721000000	cad
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1674000000	cad
CY2022Q4	imo	Estimated Cash Payments For Asset Retirement Obligations Year One EstimatedCashPaymentsForAssetRetirementObligationsYearOne	82000000	cad
CY2022Q4	imo	Estimated Cash Payments For Asset Retirement Obligations Year Two EstimatedCashPaymentsForAssetRetirementObligationsYearTwo	64000000	cad
CY2022Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	3447000000	cad
CY2021Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	4447000000	cad
CY2022	imo	Realized And Unrealized Revenue On Derivative Instrument RealizedAndUnrealizedRevenueOnDerivativeInstrument	148000000	cad
CY2021	imo	Realized And Unrealized Revenue On Derivative Instrument RealizedAndUnrealizedRevenueOnDerivativeInstrument	-46000000	cad
CY2020	imo	Realized And Unrealized Revenue On Derivative Instrument RealizedAndUnrealizedRevenueOnDerivativeInstrument	-13000000	cad
CY2022	imo	Realized And Unrealized Purchase On Derivative Instrument RealizedAndUnrealizedPurchaseOnDerivativeInstrument	0	cad
CY2021	imo	Realized And Unrealized Purchase On Derivative Instrument RealizedAndUnrealizedPurchaseOnDerivativeInstrument	33000000	cad
CY2020	imo	Realized And Unrealized Purchase On Derivative Instrument RealizedAndUnrealizedPurchaseOnDerivativeInstrument	21000000	cad
CY2022	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	148000000	cad
CY2021	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-79000000	cad
CY2020	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-34000000	cad
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	49000000	cad
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	41000000	cad
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	41000000	cad
CY2022	us-gaap	Long Term Purchase Commitment Amount LongTermPurchaseCommitmentAmount	0	cad
CY2021Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	43000000	cad
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	113000000	cad
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	96000000	cad
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2000000	cad
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	27000000	cad
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	23000000	cad
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	0	cad
CY2022	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	78000000	cad
CY2021	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	52000000	cad
CY2020	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	33000000	cad
CY2022	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	904000000	cad
CY2021	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	81000000	cad
CY2020	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	82000000	cad
CY2022	imo	Book Value Of Assets Sold BookValueOfAssetsSold	746000000	cad
CY2021	imo	Book Value Of Assets Sold BookValueOfAssetsSold	32000000	cad
CY2020	imo	Book Value Of Assets Sold BookValueOfAssetsSold	47000000	cad
CY2022	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	158000000	cad
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	49000000	cad
CY2020	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	35000000	cad
CY2022	imo	Net Gain Loss On Asset Sales After Tax NetGainLossOnAssetSalesAfterTax	241000000	cad
CY2021	imo	Net Gain Loss On Asset Sales After Tax NetGainLossOnAssetSalesAfterTax	43000000	cad
CY2020	imo	Net Gain Loss On Asset Sales After Tax NetGainLossOnAssetSalesAfterTax	32000000	cad
CY2022Q4	us-gaap	Other Commitment OtherCommitment	17000000	cad
CY2021Q4	us-gaap	Other Commitment OtherCommitment	21000000	cad
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1100000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1100000000	shares
CY2022Q4	us-gaap	Common Stock Other Shares Outstanding CommonStockOtherSharesOutstanding	584153000	shares
CY2021Q4	us-gaap	Common Stock Other Shares Outstanding CommonStockOtherSharesOutstanding	678080000	shares
CY2021Q2	us-gaap	Stock Repurchase Program Period In Force1 StockRepurchaseProgramPeriodInForce1	P12M
CY2021Q2	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	31833809	shares
CY2021Q2	imo	Majority Interest Ownership Percentage MajorityInterestOwnershipPercentage	0.696
CY2022Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2500000000	cad
CY2022Q4	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1500000000	cad
CY2022	us-gaap	Net Income Loss NetIncomeLoss	7340000000	cad
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2479000000	cad
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-1857000000	cad
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	640200000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	711600000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	735300000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	11.47
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.48
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.53
CY2022	us-gaap	Net Income Loss NetIncomeLoss	7340000000	cad
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2479000000	cad
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-1857000000	cad
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	640200000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	711600000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	735300000	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1300000	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1600000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	641500000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	713200000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	735300000	shares
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	11.44
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.48
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.53
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.46
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.03
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.88
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1900000	shares
CY2022	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	62000000	cad
CY2021	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	-13000000	cad
CY2020	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	-19000000	cad
CY2022Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	2000000000	cad
CY2021Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	1800000000	cad
CY2022Q4	us-gaap	Energy Related Inventory Petroleum EnergyRelatedInventoryPetroleum	809000000	cad
CY2021Q4	us-gaap	Energy Related Inventory Petroleum EnergyRelatedInventoryPetroleum	674000000	cad
CY2022Q4	imo	Petroleum Products Inventory PetroleumProductsInventory	471000000	cad
CY2021Q4	imo	Petroleum Products Inventory PetroleumProductsInventory	310000000	cad
CY2022Q4	us-gaap	Energy Related Inventory Chemicals EnergyRelatedInventoryChemicals	76000000	cad
CY2021Q4	us-gaap	Energy Related Inventory Chemicals EnergyRelatedInventoryChemicals	73000000	cad
CY2022Q4	imo	Other Products OtherProducts	158000000	cad
CY2021Q4	imo	Other Products OtherProducts	45000000	cad
CY2022Q4	us-gaap	Inventory Finished Goods And Work In Process InventoryFinishedGoodsAndWorkInProcess	1514000000	cad
CY2021Q4	us-gaap	Inventory Finished Goods And Work In Process InventoryFinishedGoodsAndWorkInProcess	1102000000	cad
CY2022	us-gaap	Inventory Write Down InventoryWriteDown	74000000	cad
CY2022	imo	Inventory Write Down Adjustments Before Tax InventoryWriteDownAdjustmentsBeforeTax	82000000	cad
CY2022	imo	Out Of Period Impact Of The Inventory Write Down OutOfPeriodImpactOfTheInventoryWriteDown	57000000	cad
CY2022	imo	Out Of Period Impact Of The Inventory Write Down Adjustment Before Tax OutOfPeriodImpactOfTheInventoryWriteDownAdjustmentBeforeTax	63000000	cad
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	74000000	cad
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	89000000	cad
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	105000000	cad
CY2022Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current And Noncurrent AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent	458000000	cad
CY2021Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current And Noncurrent AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent	415000000	cad
CY2022	us-gaap	Interest And Debt Expense InterestAndDebtExpense	111000000	cad
CY2021	us-gaap	Interest And Debt Expense InterestAndDebtExpense	63000000	cad
CY2020	us-gaap	Interest And Debt Expense InterestAndDebtExpense	102000000	cad
CY2022	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	57000000	cad
CY2021	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	24000000	cad
CY2020	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	41000000	cad
CY2022	us-gaap	Interest Expense Debt InterestExpenseDebt	54000000	cad
CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	39000000	cad
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	61000000	cad
CY2022	imo	Interest Income Expense Other InterestIncomeExpenseOther	-6000000	cad
CY2021	imo	Interest Income Expense Other InterestIncomeExpenseOther	-15000000	cad
CY2020	imo	Interest Income Expense Other InterestIncomeExpenseOther	-3000000	cad
CY2022	us-gaap	Interest Expense InterestExpense	60000000	cad
CY2021	us-gaap	Interest Expense InterestExpense	54000000	cad
CY2020	us-gaap	Interest Expense InterestExpense	64000000	cad
CY2022Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.02
CY2021Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.002
CY2020Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.008
CY2022Q4	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.019
CY2021Q4	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.006
CY2020Q4	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.014
CY2022Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	500000000	cad
CY2022	us-gaap	Repayments Of Debt RepaymentsOfDebt	111000000	cad
CY2022	imo	Finance Lease Cost FinanceLeaseCost	49000000	cad
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	119000000	cad
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	123000000	cad
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	157000000	cad
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	40000000	cad
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	19000000	cad
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	40000000	cad
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	19000000	cad
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	17000000	cad
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	29000000	cad
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	30000000	cad
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	33000000	cad
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	38000000	cad
CY2022	imo	Operating Lease And Short Term Lease Cost OperatingLeaseAndShortTermLeaseCost	159000000	cad
CY2021	imo	Operating Lease And Short Term Lease Cost OperatingLeaseAndShortTermLeaseCost	142000000	cad
CY2021	imo	Finance Lease Cost FinanceLeaseCost	50000000	cad
CY2020	imo	Operating Lease And Short Term Lease Cost OperatingLeaseAndShortTermLeaseCost	197000000	cad
CY2020	imo	Finance Lease Cost FinanceLeaseCost	67000000	cad
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	245000000	cad
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	245000000	cad
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	618000000	cad
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	637000000	cad
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	245000000	cad
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	618000000	cad
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	245000000	cad
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	637000000	cad
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	100000000	cad
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	102000000	cad
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	151000000	cad
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	147000000	cad
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	251000000	cad
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	608000000	cad
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	249000000	cad
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	629000000	cad
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P37Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P38Y
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.011
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.047
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.012
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.048
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	102000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	50000000	cad
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	70000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	49000000	cad
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	15000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	46000000	cad
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	10000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	44000000	cad
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	10000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	43000000	cad
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	56000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	900000000	cad
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	263000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	1132000000	cad
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	12000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	524000000	cad
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	251000000	cad
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	608000000	cad
CY2022	imo	Lessor Operating Lease Lease Not Yet Commenced Undiscounted Commitments LessorOperatingLeaseLeaseNotYetCommencedUndiscountedCommitments	14000000	cad
CY2021	imo	Lessor Operating Lease Lease Not Yet Commenced Undiscounted Commitments LessorOperatingLeaseLeaseNotYetCommencedUndiscountedCommitments	5000000	cad
CY2022Q4	imo	Operating And Finance Leases Not Yet Commenced Payments Due Year One OperatingAndFinanceLeasesNotYetCommencedPaymentsDueYearOne	5000000	cad
CY2022Q4	imo	Operating And Finance Leases Not Yet Commenced Payments Due Year Two OperatingAndFinanceLeasesNotYetCommencedPaymentsDueYearTwo	5000000	cad
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	121000000	cad
CY2022	imo	Finance Lease Principal Payments For Operating Activities FinanceLeasePrincipalPaymentsForOperatingActivities	0	cad
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	122000000	cad
CY2021	imo	Finance Lease Principal Payments For Operating Activities FinanceLeasePrincipalPaymentsForOperatingActivities	0	cad
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	136000000	cad
CY2020	imo	Finance Lease Principal Payments For Operating Activities FinanceLeasePrincipalPaymentsForOperatingActivities	15000000	cad
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	22000000	cad
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	20000000	cad
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	20000000	cad
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	117000000	cad
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	cad
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	176000000	cad
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	123000000	cad
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	63000000	cad
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	14000000	cad
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3447000000	cad
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	4447000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	586000000	cad
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	607000000	cad
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	4033000000	cad
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	5054000000	cad
CY2022Q4	imo	Maximum Longterm Borrowing From Affiliate MaximumLongtermBorrowingFromAffiliate	7750000000	cad
CY2022	imo	Cancelation Period Longterm Borrowing From Affiliate CancelationPeriodLongtermBorrowingFromAffiliate	P370D
CY2022Q3	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1000000000	cad
CY2022	imo	Finance Lease Obligation Average Imputed Rate FinanceLeaseObligationAverageImputedRate	0.047
CY2021	imo	Finance Lease Obligation Average Imputed Rate FinanceLeaseObligationAverageImputedRate	0.048
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	22000000	cad
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	22000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Payments Due In Rolling Year Four FinanceLeaseLiabilityPaymentsDueInRollingYearFour	20000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Payments Due In Rolling Year Two FinanceLeaseLiabilityPaymentsDueInRollingYearTwo	20000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Payments Due In Rolling Year Five FinanceLeaseLiabilityPaymentsDueInRollingYearFive	20000000	cad
CY2022Q4	us-gaap	Finance Lease Liability Payments Due In Rolling Year Three FinanceLeaseLiabilityPaymentsDueInRollingYearThree	20000000	cad
CY2020Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	0	cad
CY2021Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	0	cad
CY2022Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	0	cad
CY2020Q4	imo	Projects That Have Exploratory Well Costs That Have Been Capitalized ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalized	0	project
CY2022Q4	imo	Projects That Have Exploratory Well Costs That Have Been Capitalized ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalized	0	project
CY2021Q4	imo	Projects That Have Exploratory Well Costs That Have Been Capitalized ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalized	0	project
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	188000000	cad
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	221000000	cad
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-69000000	cad
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-27000000	cad
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-43000000	cad
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-46000000	cad
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-215000000	cad
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-264000000	cad
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	23000000	cad
CY2022Q3	imo	Discontinued Operation Gain Loss On Disposal Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag DiscontinuedOperationGainLossOnDisposalStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag	0.2 billion

Files In Submission

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$IMO
IMPERIAL OIL LTD Stock $imo

2023 Q1 Form 10-K Financial Statement

#000004993823000015 Filed on February 22, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IMO IMPERIAL OIL LTD Stock $imo

2023 Q1 Form 10-K Financial Statement

#000004993823000015 Filed on February 22, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IMO
IMPERIAL OIL LTD Stock $imo