Entity Central Index Key
Transportation and processing costs.
Purchased product costs.
The aggregate amount of other non-operating income (expenses) which are presented at a consolidated level. Includes interest, foreign exchange (gains) losses, net, (gains) losses on divestitures, net and other.
The difference between the fair value and the principal amount of debt not yet amortized.
Cover [Abstract]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Period Focus
Document Fiscal Period Focus
Document Fiscal Year Focus
Document Fiscal Year Focus
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Entity Small Business
Entity Small Business
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Trading Symbol
Trading Symbol
Document Quarterly Report
Document Quarterly Report
Document Transition Report
Document Transition Report
Entity Current Reporting Status
Entity Current Reporting Status
Entity Interactive Data Current
Entity Interactive Data Current
Entity Shell Company
Entity Shell Company
Entity File Number
Entity File Number
Entity Tax Identification Number
Entity Tax Identification Number
Entity Address, Address Line One
Entity Address Address Line1
Entity Address, Address Line Two
Entity Address Address Line2
Entity Address, City or Town
Entity Address City Or Town
Entity Address, State or Province
Entity Address State Or Province
Entity Address, Country
Entity Address Country
Entity Address, Postal Zip Code
Entity Address Postal Zip Code
City Area Code
City Area Code
Local Phone Number
Local Phone Number
Entity Incorporation, State or Country Code
Entity Incorporation State Country Code
Title of 12(b) Security
Security12b Title
Security Exchange Name
Security Exchange Name
Income Statement [Abstract]
Revenues
Revenues [Abstract]
Product and service revenues
Revenue From Contract With Customer Excluding Assessed Tax
Gains (losses) on risk management, net
Gain Loss From Price Risk Management Activity
Sublease revenues
Operating Leases Income Statement Sublease Revenue
Total Revenues
Revenues
Operating Expenses
Cost Of Revenue [Abstract]
Production, mineral and other taxes
Taxes Excluding Income And Excise Taxes
Transportation and processing
Transportation And Processing Costs
Operating
Direct Operating Costs
Purchased product
Purchased Product Costs
Depreciation, depletion and amortization
Depreciation Depletion And Amortization
Impairments
Asset Impairment Charges
Accretion of asset retirement obligation
Asset Retirement Obligation Accretion Expense
Administrative
General And Administrative Expense
Total Operating Expenses
Costs And Expenses
Operating Income (Loss)
Operating Income Loss
Other (Income) Expenses
Nonoperating Income Expense [Abstract]
Interest
Interest Expense
Foreign exchange (gain) loss, net
Foreign Currency Transaction Gain Loss Before Tax
Other (gains) losses, net
Other Nonoperating Income Expense
Total Other (Income) Expenses
Non Operating Income Expenses
Net Earnings (Loss) Before Income Tax
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
Income tax expense (recovery)
Income Tax Expense Benefit
Net Earnings (Loss)
Net Income Loss
Net Earnings (Loss) per Share of Common Stock
Earnings Per Share [Abstract]
Basic
Earnings Per Share Basic
Diluted
Earnings Per Share Diluted
Weighted Average Shares of Common Stock Outstanding (millions)
Weighted Average Number Of Shares Outstanding [Abstract]
Basic
Weighted Average Number Of Shares Outstanding Basic
Diluted
Weighted Average Number Of Diluted Shares Outstanding
Statement Of Income And Comprehensive Income [Abstract]
Net Earnings (Loss)
Other Comprehensive Income (Loss), Net of Tax
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract]
Foreign currency translation adjustment
Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
Pension and other post-employment benefit plans
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
Other Comprehensive Income (Loss)
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
Comprehensive Income (Loss)
Comprehensive Income Net Of Tax
Total amount due within one year of the balance sheet date from outside sources including accounts receivable net of allowances and accrued revenues and including prepaids, deposits and other.
Statement Of Financial Position [Abstract]
Assets
Assets [Abstract]
Current Assets
Assets Current [Abstract]
Cash and cash equivalents
Cash And Cash Equivalents At Carrying Value
Accounts receivable and accrued revenues (net of allowances of $3 million (2020: $4 million))
Accounts Receivable And Accrued Revenues
Risk management
Derivative Assets Current
Income tax receivable
Income Taxes Receivable
Total Current Assets
Assets Current
Property, Plant and Equipment, at cost:
Property Plant And Equipment Net [Abstract]
Oil and natural gas properties, based on full cost accounting
Oil And Gas Property Full Cost Method Net [Abstract]
Proved properties
Capitalized Costs Proved Properties
Unproved properties
Capitalized Costs Unproved Properties
Other
Property Plant And Equipment Other
Property, plant and equipment
Property Plant And Equipment Gross
Less: Accumulated depreciation, depletion and amortization
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Property, plant and equipment, net
Property Plant And Equipment Net
Other Assets
Other Assets Noncurrent
Risk Management
Derivative Assets Noncurrent
Goodwill
Goodwill
Total Assets
Assets
Liabilities and Shareholders’ Equity
Liabilities And Stockholders Equity [Abstract]
Current Liabilities
Liabilities Current [Abstract]
Accounts payable and accrued liabilities
Accounts Payable And Accrued Liabilities Current
Current portion of operating lease liabilities
Operating Lease Liability Current
Income tax payable
Accrued Income Taxes Current
Risk management
Derivative Liabilities Current
Current portion of long-term debt
Long Term Debt Current
Total Current Liabilities
Liabilities Current
Long-Term Debt
Long Term Debt Noncurrent
Operating Lease Liabilities
Operating Lease Liability Noncurrent
Other Liabilities and Provisions
Other Liabilities Noncurrent
Risk Management
Derivative Liabilities Noncurrent
Asset Retirement Obligation
Asset Retirement Obligations Noncurrent
Deferred Income Taxes
Deferred Income Tax Liabilities Net
Total Liabilities
Liabilities
Commitments and Contingencies
Commitments And Contingencies
Shareholders’ Equity
Stockholders Equity [Abstract]
Share capital - authorized 775 million shares of stock 2021 issued and outstanding: 261.1 million shares (2020: 259.8 million shares)
Common Stock Value
Paid in surplus
Additional Paid In Capital Common Stock
Retained earnings (Accumulated deficit)
Retained Earnings Accumulated Deficit
Accumulated other comprehensive income
Accumulated Other Comprehensive Income Loss Net Of Tax
Total Shareholders’ Equity
Stockholders Equity
Total Liabilities and Shareholders' Equity
Liabilities And Stockholders Equity
Common and preferred stock shares authorized.
Allowances for accounts receivable and accrued revenues
Allowance For Doubtful Accounts Premiums And Other Receivables
Share Capital, Authorized
Common And Preferred Stock Shares Authorized
Common Stock, Shares, Issued
Common Stock Shares Issued
Common Stock, Shares, Outstanding
Common Stock Shares Outstanding
Reclassification of share capital from common stock to additional paid in capital.
Statement Of Stockholders Equity [Abstract]
Statement [Table]
Statement [Table]
Equity Components
Statement Equity Components [Axis]
Equity Component
Equity Component [Domain]
Share Capital [Member]
Common Stock [Member]
Paid In Surplus [Member]
Additional Paid In Capital [Member]
Retained Earnings (Accumulated Deficit) [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income [Member]
Statement [Line Items]
Statement [Line Items]
Balance, Beginning of Period
Dividends on Shares of Common Stock
Dividends Common Stock
Equity-Settled Compensation Costs
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
Other Comprehensive Income (Loss)
Reclassification of Share Capital
Reclassification Of Share Capital From Common Stock To Additional Paid In Capital
Balance, End of Period
Dividends on Shares of Common Stock, per share
Common Stock Dividends Per Share Declared
The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period, excluding foreign currency derivatives.
Payments for acquisitions including properties with development, seismic purchases, water rights and purchases with natural gas, oil and natural gas liquids potential.
Statement Of Cash Flows [Abstract]
Operating Activities
Net Cash Provided By Used In Operating Activities [Abstract]
Net earnings (loss)
Profit Loss
Deferred income taxes
Deferred Income Tax Expense Benefit
Unrealized (gain) loss on risk management
Unrealized Gain Loss On Derivatives Excluding Foreign Currency Derivatives
Unrealized foreign exchange (gain) loss
Foreign Currency Transaction Gain Loss Unrealized
Foreign exchange on settlements
Foreign Currency Transaction Gain Loss Realized
Other
Other Noncash Income Expense
Net change in other assets and liabilities
Increase Decrease In Other Noncurrent Assets And Liabilities Net
Net change in non-cash working capital
Increase Decrease In Other Current Assets And Liabilities Net
Cash From (Used in) Operating Activities
Net Cash Provided By Used In Operating Activities
Investing Activities
Net Cash Provided By Used In Investing Activities [Abstract]
Capital expenditures
Payments To Acquire Property Plant And Equipment
Acquisitions
Acquisitions
Proceeds from divestitures
Proceeds From Sale Of Property Plant And Equipment
Net change in investments and other
Payments For Proceeds From Other Investing Activities
Cash From (Used in) Investing Activities
Net Cash Provided By Used In Investing Activities
Financing Activities
Net Cash Provided By Used In Financing Activities [Abstract]
Net issuance (repayment) of revolving long-term debt
Proceeds From Repayments Of Lines Of Credit
Repayment of long-term debt
Repayments Of Unsecured Debt
Dividends on shares of common stock
Payments Of Dividends Common Stock
Finance lease payments and other
Finance Lease Principal Payments
Cash From (Used in) Financing Activities
Net Cash Provided By Used In Financing Activities
Foreign Exchange Gain (Loss) on Cash, Cash Equivalents and Restricted Cash Held in Foreign Currency
Effect Of Exchange Rate On Cash And Cash Equivalents
Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
Cash, Cash Equivalents and Restricted Cash, Beginning of Period
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
Cash, Cash Equivalents and Restricted Cash, End of Period
Cash, End of Period
Cash
Cash Equivalents, End of Period
Cash Equivalents At Carrying Value
Restricted Cash, End of Period
Restricted Cash
Supplementary Cash Flow Information
Supplemental Cash Flow Information [Abstract]
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Basis of Presentation and Principles of Consolidation
Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Text Block]
Segment Reporting [Abstract]
Segmented Information
Segment Reporting Disclosure [Text Block]
Revenue From Contract With Customer [Abstract]
Revenues from Contracts with Customers
Revenue From Contract With Customer [Text Block]
Interest Expense [Abstract]
Interest
Interest Income And Interest Expense Disclosure [Text Block]
Foreign Currency [Abstract]
Foreign Exchange (Gain) Loss, Net
Foreign Currency Disclosure [Text Block]
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Acquisitions and divestitures disclosure.
Acquisitions And Divestitures [Abstract]
Acquisitions And Divestitures [Abstract]
Acquisitions and Divestitures
Acquisitions And Divestitures Disclosure [Text Block]
Property Plant And Equipment [Abstract]
Property, Plant and Equipment, Net
Property Plant And Equipment Disclosure [Text Block]
The entire disclosure for operating and finance leases of lessee.
Leases [Abstract]
Leases
Lessee Operating And Finance Leases [Text Block]
Debt Disclosure [Abstract]
Long-Term Debt
Long Term Debt [Text Block]
Other Liabilities Disclosure [Abstract]
Other Liabilities and Provisions
Other Liabilities Disclosure [Text Block]
Class Of Stock Disclosures [Abstract]
Share Capital
Stockholders Equity Note Disclosure [Text Block]
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]
Accumulated Other Comprehensive Income
Comprehensive Income Note [Text Block]
Variable Interest Entity Not Primary Beneficiary Disclosures [Abstract]
Variable Interest Entities
Variable Interest Entity Disclosure [Text Block]
Restructuring Charges [Abstract]
Restructuring Charges
Restructuring And Related Activities Disclosure [Text Block]
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Compensation Plans
Disclosure Of Compensation Related Costs Share Based Payments [Text Block]
General Discussion Of Pension And Other Postretirement Benefits [Abstract]
Pension and Other Post-Employment Benefits
Pension And Other Postretirement Benefits Disclosure [Text Block]
Fair Value Disclosures [Abstract]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Derivative Instruments And Hedging Activities Disclosure [Abstract]
Financial Instruments and Risk Management
Financial Instruments Disclosure [Text Block]
Supplemental Cash Flow Elements [Abstract]
Supplementary Information
Cash Flow Supplemental Disclosures [Text Block]
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments And Contingencies Disclosure [Text Block]
Basis of Presentation and Principles of Consolidation
Basis Of Accounting Policy Policy [Text Block]
Segment and Geographic Information
Schedule Of Segment Reporting Information By Segment [Text Block]
Schedule of marketing intersegment eliminations.
Schedule of Marketing Intersegment Eliminations
Schedule Of Marketing Intersegment Eliminations Table [Text Block]
Tabular disclosure of all significant reconciling items in the reconciliation of capital expenditures from reportable segments to the entity's consolidated capital expenditures.
Capital Expenditures
Schedule Of Capital Expenditures Table [Text Block]
Goodwill, Property, Plant and Equipment and Total Assets by Segment
Reconciliation Of Assets From Segment To Consolidated [Text Block]
Disaggregation Of Revenue [Abstract]
Disaggregation of Revenue
Disaggregation Of Revenue Table [Text Block]
Tabular disclosure of interest expense, including, but not limited to, interest expense from loans and securities.
Schedule of Interest Expense
Schedule Of Interest Expense Table [Text Block]
Schedule of foreign exchange (gains) losses. Separate detail of unrealized amounts as disclosed in the statement of cash flows, foreign exchange on intercompany transactions and other monetary revaluations and settlements.
Foreign Exchange (Gain) Loss, Net
Schedule Of Foreign Exchange Gains Losses Table [Text Block]
Provision For Income Taxes
Schedule Of Components Of Income Tax Expense Benefit Table [Text Block]
Tabular disclosures of information related to a material business combination completed during the period and a disposal group. This table does not include leveraged buyouts. A disposal group is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.
Schedule of Net Acquisitions & (Divestitures)
Schedule Of Acquisitions And Divestitures Table [Text Block]
Schedule Of Property, Plant And Equipment
Property Plant And Equipment [Text Block]
Schedule of 12 month trailing oil, NGL and gas reference prices utilized in determination of reserves and future net revenue for ceiling tax purposes.
Schedule of Twelve Month Average Trailing Reserves Prices
Schedule Of Oil N G L And Gas Reference Prices Table [Text Block]
Schedule of sublease income.
Schedule of Estimated Future Sublease Income
Schedule Of Sublease Income Table [Text Block]
Schedule Of Long-Term Debt
Schedule Of Debt Table [Text Block]
Schedule of Other Liabilities and Provisions
Other Noncurrent Liabilities Table [Text Block]
Schedule of Common Stock Issued and Outstanding
Schedule Of Common Stock Outstanding Roll Forward Table [Text Block]
Earnings Per Common Share
Schedule Of Earnings Per Share Basic And Diluted Table [Text Block]
Schedule of Accumulated Other Comprehensive Income
Schedule Of Accumulated Other Comprehensive Income Loss Table [Text Block]
Restructuring Costs Expensed
Schedule Of Restructuring And Related Costs [Text Block]
Schedule of change in outstanding restructuring accrual.
Schedule of Change in Restructuring Accrual
Schedule Of Change In Outstanding Restructuring Accrual Table [Text Block]
Schedule of Weighted Average Assumptions Used to Fair Value Share Units
Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block]
Amounts Recognized For Share-Based Payment Transactions
Schedule Of Compensation Cost For Share Based Payment Arrangements Allocation Of Share Based Compensation Costs By Plan Table [Text Block]
Schedule of Share-based Compensation Activity
Schedule Of Share Based Compensation Activity Table [Text Block]
Total Benefit Plans Expense Recognized
Schedule Of Costs Of Retirement Plans Table [Text Block]
Schedule of Net Defined Periodic Benefit Cost
Schedule Of Net Benefit Costs Table [Text Block]
Schedule Of Fair Value, Assets And Liabilities Measured On Recurring Basis
Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block]
Summary Of Changes In Level 3 Fair Value Measurements
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Text Block]
Quantitative Information About Unobservable Inputs Used In Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques Table [Text Block]
Risk Management Positions
Schedule Of Derivative Instruments [Text Block]
Earnings Impact of Realized and Unrealized Gains (Losses) on Risk Management Positions
Schedule Of Derivative Instruments Gain Loss In Statement Of Financial Performance [Text Block]
Tabular disclosure reconciling the fair value of risk management derivative contracts beginning and ending balances, separately presenting changes attributable to change in fair value of contracts in place at the beginning of the year, settlement of contract during the year, contracts entered into during the year and contracts realized during the year.
Reconciliation of Unrealized Risk Management Positions
Reconciliation Of Unrealized Risk Management Positions Table [Text Block]
Unrealized Risk Management Positions
Schedule Of Derivative Instruments In Statement Of Financial Position Fair Value [Text Block]
Net Change in Non-Cash Working Capital
Cash Flow Operating Capital Table [Text Block]
Non-Cash Activities
Schedule Of Other Significant Noncash Transactions [Text Block]
Commitments
Contractual Obligation Fiscal Year Maturity Schedule Table [Text Block]
Schedule Of Segment Reporting Information By Segment [Table]
Schedule Of Segment Reporting Information By Segment [Table]
Segments
Statement Business Segments [Axis]
Segments
Segment [Domain]
The reportable component of the company's operations which engages in the exploration for, development of, and production of oil, NGLs and natural gas and other related activities within the U.S. cost centre.
USA Operations [Member]
Usa Operations [Member]
The reportable component of the company's operations which engages in the exploration for, development of, and production of oil, NGLs and natural gas and other related activities within the Canadian cost centre.
Canadian Operations [Member]
Canadian Operations [Member]
The reportable segment of the company's operations primarily responsible for the sale of the company's propriety production to third party customers, the results of which are reported in Canadian and USA Operations. Activities reported in this segment include third party purchases and sales of product for the purposes of providing operational flexibility and cost mitigation for transportation commitments, product type, delivery point and customer diversification.
Market Optimization [Member]
Market Optimization [Member]
Consolidation Items
Consolidation Items [Axis]
Consolidation Items
Consolidation Items [Domain]
Operating Segments [Member]
Operating Segments [Member]
Corporate & Other [Member]
Corporate Non Segment [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Total Operating Expenses
Operating Expenses
Schedule Of Product Information [Table]
Schedule Of Product Information [Table]
Subsegments Consolidation Items
Subsegments Consolidation Items [Axis]
Subsegments Consolidation Items
Subsegments Consolidation Items [Domain]
Reportable Subsegments [Member]
Reportable Subsegments [Member]
Intersubsegment Eliminations [Member]
Intersubsegment Eliminations [Member]
Subsegments
Subsegments [Axis]
Subsegments
Subsegments [Domain]
The reportable sub segment of the Market Optimization business segment, the results of which are reported before inter sub segment eliminations.
Marketing Sales [Member]
Marketing Sales [Member]
Product Information [Line Items]
Product Information [Line Items]
Revenues
Operating Income (Loss)
Capital Expenditures
Reconciliation Of Assets From Segment To Consolidated [Table]
Reconciliation Of Assets From Segment To Consolidated [Table]
Segment Reporting, Asset Reconciling Item [Line Items]
Segment Reporting Asset Reconciling Item [Line Items]
Property, Plant and Equipment
Total Assets
Disaggregation Of Revenue [Table]
Disaggregation Of Revenue [Table]
Product and Service
Product Or Service [Axis]
Product and Service
Products And Services [Domain]
Oil.
Oil [Member]
Oil [Member]
Natural Gas Liquids [Member]
Natural Gas Liquids Reserves [Member]
Natural Gas [Member]
Natural Gas Reserves [Member]
Natural gas gathering and processing.
Natural Gas Gathering and Processing [Member]
Natural Gas Gathering And Processing [Member]
Customer
Major Customers [Axis]
Customer
Name Of Major Customer [Domain]
Product revenues including sale of product purchased from third parties.
Product Revenues Including Sale of Product Purchased from Third Parties [Member]
Product Revenues Including Sale Of Product Purchased From Third Parties [Member]
The reportable component of the company's operations which engages in the exploration for, development of, and production of oil, NGLs and natural gas and other related activities within the U.S. cost centre, excluding intercompany segment transactions.
USA Operations Excluding Intercompany Segment Transactions [Member]
Usa Operations Excluding Intercompany Segment Transactions [Member]
The reportable component of the company's operations which engages in the exploration for, development of, and production of oil, NGLs and natural gas and other related activities within the Canadian cost centre, excluding intercompany segment transactions.
Canadian Operations Excluding Intercompany Segment Transactions [Member]
Canadian Operations Excluding Intercompany Segment Transactions [Member]
The reportable segment of the company's operations primarily responsible for the sale of the company's propriety production to third party customers, the results of which are reported in Canadian and USA Operations. Activities reported in this segment include third party purchases and sales of product for the purposes of providing operational flexibility and cost mitigation for transportation commitments, product type, delivery point and customer diversification; excluding intercompany segment transactions.
Market Optimization Excluding Intercompany Segment Transactions [Member]
Market Optimization Excluding Intercompany Segment Transactions [Member]
Disaggregation of Revenue [Line Items]
Disaggregation Of Revenue [Line Items]
Product revenues
Contract with customer, asset net
Contract With Customer Asset Net
Contract with customer, liability
Contract With Customer Liability
Receivables & accrued revenues from contracts with customers
Receivables Long Term Contracts Or Programs
Revenue, remaining performance obligation
Revenue Remaining Performance Obligation
Interest expense (recovery) other.
Interest Expense on Debt
Interest Expense Debt
Interest on Finance Leases
Finance Lease Interest Expense
Interest - Other
Interest Expense Recovery Other
Interest
Schedule of interest expense.
Schedule of interest expense.
Schedule Of Interest Expense [Table]
Schedule Of Interest Expense [Table]
Debt Instrument
Debt Instrument [Axis]
Debt Instrument, Name
Debt Instrument Name [Domain]
Five point seventy five senior notes.
5.75% Senior Notes [Member]
Five Point Seventy Five Senior Notes [Member]
Debt Instrument, Redemption, Period
Debt Instrument Redemption Period [Axis]
Debt Instrument, Redemption, Period
Debt Instrument Redemption Period [Domain]
Senior notes due january thirty two thousand twenty two.
Senior Notes, Due January 30, 2022 [Member]
Senior Notes Due January Thirty Two Thousand Twenty Two [Member]
Schedule Of Interest Expense [Line Items]
Schedule Of Interest Expense [Line Items]
Interest expense on debt
Debt instrument interest rate stated percentage
Debt Instrument Interest Rate Stated Percentage
Debt instrument maturity date
Debt Instrument Maturity Date
Debt instrument repurchased face amount
Debt Instrument Repurchased Face Amount
Other foreign currency settlement gain (loss) including those on contracts issued from Canada and other monetary revaluations.
Schedule Of Foreign Exchange Transactions [Line Items]
Schedule Of Foreign Exchange Transaction [Table]
Schedule Of Foreign Exchange Transactions [Table]
Schedule Of Foreign Exchange Transactions [Table]
Financial Instrument
Financial Instrument [Axis]
Financial Instruments
Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain]
Currency translation related to US dollar denominated debt issued from Canada.
Translation of U.S. Dollar Debt Issued From Canada [Member]
Translation Of U S Dollar Debt Issued From Canada [Member]
Currency translation related to US dollar denominated risk management contracts issued from Canada.
Translation of U.S. Dollar Risk Management Contracts Issued From Canada [Member]
Translation Of U S Dollar Risk Management Contracts Issued From Canada [Member]
Unrealized and/or realized (gains) losses on transactions related to Intercompany borrowings that denominated in different currencies.
Translation of Intercompany Notes [Member]
Translation Of Intercompany Notes [Member]
Currency translation impact related to Other Monetary Revaluations.
Other Monetary Revaluations [Member]
Other Monetary Revaluations [Member]
Schedule Of Foreign Exchange Transactions [Line Items]
Schedule Of Foreign Exchange Transactions [Line Items]
Unrealized Foreign Exchange (Gain) Loss
Foreign Exchange on Settlements
Foreign Currency Settlement Gain Loss
Foreign Exchange (Gain) Loss, Net
Geographical
Statement Geographical [Axis]
Geographical
Segment Geographical [Domain]
United States [Member]
UNITED STATES
Canada [Member]
CANADA
Geographical segment encompassing countries other than those specifically identified, that are not separately reported due to size or nature of business activities.
Other Countries [Member]
Other Countries [Member]
Total Current Tax Expense (Recovery)
Current Income Tax Expense Benefit
Total Deferred Tax Expense (Recovery)
Income Tax Expense (Recovery)
Effective Tax Rate
Effective Income Tax Rate Continuing Operations
Income tax disclosure.
Income tax disclosure.
Income Tax Disclosure [Table]
Income Tax Disclosure [Table]
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
Other (Gains) Losses, Net [Member]
Other Operating Income Expense [Member]
Income Tax Authority
Income Tax Authority [Axis]
Income Tax Authority
Income Tax Authority [Domain]
Canada [Member]
Foreign Country [Member]
United States [Member]
Domestic Country [Member]
Income Tax Disclosure [Line Items]
Income Tax Disclosure [Line Items]
Reduction of unrecognized tax benefits
Unrecognized Tax Benefits Period Increase Decrease
Increase (Reduction) in valuation allowance
Valuation Allowance Deferred Tax Asset Change In Amount
Interest income
Interest Income Other
Effective Tax Rate
Statutory Tax Rate
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
Costs Incurred In Oil And Gas Property Acquisition Exploration And Development Activities [Table]
Costs Incurred In Oil And Gas Property Acquisition Exploration And Development Activities [Table]
Acquisitions and Divestitures [Line Items]
Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities [Line Items]
Acquisitions
Divestitures
Net Acquisitions and Divestitures
Payments For Proceeds From Productive Assets
Name of Property
Real Estate And Accumulated Depreciation Description Of Property [Axis]
Name of Property
Real Estate And Accumulated Depreciation Name Of Property [Domain]
Eagle ford assets.
Eagle Ford Assets [Member]
Eagle Ford Assets [Member]
Duvernay assets.
Duvernay Assets [Member]
Duvernay Assets [Member]
Derivative Instrument
Derivative Instrument Risk [Axis]
Derivative Contract
Derivative Contract Type [Domain]
WTI
WTI [Member]
Wti [Member]
Statistical Measurement
Range [Axis]
Statistical Measurement
Range [Member]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Scenario
Statement Scenario [Axis]
Scenario
Scenario Unspecified [Domain]
Scenario Forecast [Member]
Scenario Forecast [Member]
Divestitures
12-month trailing reference price used for determining cash flow and reserve volumes.
Contingent consideration receivable relating to asset divestiture.
Contingent consideration receivable
Contingent Consideration Receivable Relating To Asset Divestiture
Reference Price
Reference Price
Embedded derivative, fair value
Embedded Derivative Fair Value Of Embedded Derivative Asset
Schedule Of Property Plant And Equipment [Table]
Schedule Of Property Plant And Equipment [Table]
Long-Lived Tangible Asset
Property Plant And Equipment By Type [Axis]
Long-Lived Tangible Asset
Property Plant And Equipment Type [Domain]
Proved properties.
Proved Properties [Member]
Proved Properties [Member]
Unproved properties.
Unproved Properties [Member]
Unproved Properties [Member]
Other Capitalized Property Plant and Equipment [Member]
Other Capitalized Property Plant And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment, Cost
Internal costs capitalized in property, plant and equipment related to exploration, development and construction activities.
Internal Costs Capitalized
Internal Costs Capitalized
Impairment
Results Of Operations Impairment Of Oil And Gas Properties
Petroleum Reserves
Reserve Quantities By Type Of Reserve [Axis]
Type of Reserve
Type Of Reserve [Domain]
Oil and natural gas liquids that include, but are not limited to, ethane, propane, natural gasoline, butane and isobutane.
Oil and NGLs [Member]
Oil And Ngls [Member]
Distribution Hub
Distribution Hub
Distribution Hub [Axis]
Distribution Hub
Distribution Hub
Distribution Hub [Domain]
Edmonton Condensate price.
Edmonton Condensate [Member]
Edmonton Condensate [Member]
Henry Hub
Henry Hub [Member]
Henry Hub [Member]
AECO
AECO [Member]
Aeco [Member]
12-Month Average Trailing Reserves Pricing
Operating sublease income undiscounted remainder of fiscal year.
Operating sublease income due year one.
Operating sublease income due year two.
Operating sublease income due year three.
Operating sublease income due year thereafter.
Operating sublease income.
Operating sublease income due year four.
2021
Operating Sublease Income Undiscounted Remainder Of Fiscal Year
2022
Operating Sublease Income Due Year One
2023
Operating Sublease Income Due Year Two
2024
Operating Sublease Income Due Year Three
2025
Operating Sublease Income Due Year Four
Thereafter
Operating Sublease Income Due Year Thereafter
Total
Operating Sublease Income
Operating lease income
Operating Lease Lease Income
Variable lease income
Variable Lease Income
Revolving credit facility and commercial paper.
Debt Instrument [Table]
Debt Instrument [Table]
Unsecured notes issued at 3.90% contractual interest rate under trust indentures and have equal priority with respect to the payment of both principal and interest.
3.90% Unsecured Notes [Member]
Three Point Ninety Percent Unsecured Notes [Member]
Five point seventy five unsecured notes.
5.75% Unsecured Notes [Member]
Five Point Seventy Five Unsecured Notes [Member]
Five point six twenty five percent unsecured notes member.
5.625% Unsecured Notes [Member]
Five Point Six Twenty Five Percent Unsecured Notes [Member]
Five point three seventy five percent unsecured notes member.
5.375% Unsecured Notes [Member]
Five Point Three Seventy Five Percent Unsecured Notes [Member]
Unsecured notes issued at 8.125% contractual interest rate under trust indentures and have equal priority with respect to the payment of both principal and interest.
8.125% Unsecured Notes [Member]
Eight Point One Twenty Five Percent Unsecured Notes [Member]
Unsecured notes issued at 7.20% contractual interest rate under trust indentures and have equal priority with respect to the payment of both principal and interest.
7.20% Unsecured Notes [Member]
Seven Point Twenty Percent Unsecured Notes [Member]
Seven point three seven five percent unsecured notes.
7.375% Unsecured Notes [Member]
Seven Point Three Seven Five Percent Unsecured Notes [Member]
Unsecured notes issued at 6.50% contractual interest rate under trust indentures and have equal priority with respect to the payment of both principal and interest.
6.50% Unsecured Notes [Member]
Six Point Fifty Percent Unsecured Notes [Member]
Unsecured notes issued at 6.625% contractual interest rate under trust indentures and have equal priority with respect to the payment of both principal and interest.
6.625% Unsecured Notes [Member]
Six Point Six Twenty Five Percent Unsecured Notes [Member]
Unsecured notes issued at 5.15% contractual interest rate under trust indentures and have equal priority with respect to the payment of both principal and interest.
5.15% Unsecured Notes [Member]
Five Point Fifteen Percent Unsecured Notes [Member]
Unsecured notes with a maturity date of November 15, 2021.
Unsecured Notes, Due November 15, 2021 [Member]
Unsecured Notes Due November Fifteen Two Thousand Twenty One [Member]
Unsecured notes with a maturity date of January 30, 2022.
Unsecured Notes, Due January 30, 2022 [Member]
Unsecured Notes Due January Thirty Two Thousand Twenty Two [Member]
Unsecured notes with a maturity date of July 1, 2024.
Unsecured Notes, Due July 1, 2024 [Member]
Unsecured Notes Due July One Two Thousand Twenty Four [Member]
Unsecured notes with a maturity date of January 1, 2026.
Unsecured Notes, Due Jan 1, 2026 [Member]
Unsecured Notes Due January One Two Thousand Twenty Six [Member]
Unsecured notes with a maturity date of September 15, 2030.
Unsecured Notes, Due September 15, 2030 [Member]
Unsecured Notes Due September Fifteen Two Thousand Thirty [Member]
Unsecured notes with a maturity date of November 1, 2031.
Unsecured Notes, Due November 1, 2031 [Member]
Unsecured Notes Due November One Two Thousand Thirty One [Member]
Unsecured notes with a maturity date of August 15, 2034.
Unsecured Notes, Due August 15, 2034 [Member]
Unsecured Notes Due August Fifteen Two Thousand Thirty Four [Member]
Unsecured notes with a maturity date of August 15, 2037.
Unsecured Notes, Due August 15, 2037 [Member]
Unsecured Notes Due August Fifteen Two Thousand Thirty Seven [Member]
Unsecured notes with a maturity date of February 1, 2038.
Unsecured Notes, Due February 1, 2038 [Member]
Unsecured Notes Due February One Two Thousand Thirty Eight [Member]
Unsecured notes with a maturity date of November 15, 2041.
Unsecured Notes, Due November 15, 2041 [Member]
Unsecured Notes Due November Fifteen Two Thousand Forty One [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Revolving credit and term loan borrowings
Revolving Credit Facility And Commercial Paper
Unsecured Debt
Unsecured Debt
Total Principal
Debt Instrument Carrying Amount
Increase in Value of Debt Acquired
Increase In Value Of Debt Acquired
Unamortized Debt Discounts and Issuance Costs
Debt Instrument Unamortized Discount
Total Long-Term Debt
Long Term Debt
Current Portion
Debt Instrument, Interest Rate, Stated Percentage
Debt Instrument, Maturity Date
Debt instrument repurchased during period face amount.
Principal amount of repurchased senior notes
Debt Instrument Repurchased During Period Face Amount
Aggregate cash payment for repurchased debt
One-time make-whole payment included in interest expense
Accrued and unpaid interest
Debt Instrument Increase Accrued Interest
Recognized net gain on debt
Extinguishment Of Debt Gain Loss Net Of Tax
Long-term debt carrying value
Long-term debt, fair value
Long Term Debt Fair Value
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
Other Liabilities And Provisions [Table]
Other Liabilities And Provisions [Table]
Other Liabilities And Provisions [Table]
Balance Sheet Location
Balance Sheet Location [Axis]
Balance Sheet Location
Balance Sheet Location [Domain]
Other Liabilities and Provisions [Member]
Other Noncurrent Liabilities [Member]
Other Liabilities And Provisions [Line Items]
Other Liabilities And Provisions [Line Items]
Obligation under Finance Lease
Finance Lease Liability Noncurrent
Unrecognized Tax Benefits
Unrecognized Tax Benefits
Pensions and Other Post-Employment Benefits
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
Long-Term Incentives
Deferred Compensation Sharebased Arrangements Liability Classified Noncurrent
Other Derivative Contracts, Liabilities
Guarantee Obligations Current Carrying Value
Other
Other Sundry Liabilities Noncurrent
Other Liabilities and Provisions
Schedule Of Stock By Class [Table]
Schedule Of Stock By Class [Table]
Subsequent Event Type
Subsequent Event Type [Axis]
Subsequent Event Type
Subsequent Event Type [Domain]
Subsequent Event [Member]
Subsequent Event [Member]
Class Of Stock [Line Items]
Class Of Stock [Line Items]
Common stock, shares authorized
Common Stock Shares Authorized
Common stock, par value
Common Stock Par Or Stated Value Per Share
Preferred stock, shares authorized
Preferred Stock Shares Authorized
Preferred stock, par value
Preferred Stock Par Or Stated Value Per Share
Shares of Common Stock Outstanding, Beginning of Year
Shares of Common Stock Issued (See Note 16)
Stock Issued During Period Shares New Issues
Reclassification of Share Capital
Shares of Common Stock Outstanding, End of Period
Shares of Common Stock Outstanding, Beginning of Year
Common Stock Value Outstanding
Shares of Common Stock Issued (See Note 16)
Stock Issued During Period Value New Issues
Shares of Common Stock Outstanding, End of Period
Reclassification of share capital from common stock to additional paid-in capital due to reorganization.
Reclassification of share capital due to reorganization and domestication
Reclassification Of Share Capital From Common Stock To Additional Paid In Capital Due To Reorganization
Dividends on Common Shares
Common Stock, Dividends, Per Share, Paid
Common Stock Dividends Per Share Cash Paid
Dividends Payable, Date Declared
Dividends Payable Date Declared Day Month And Year
Common Stock, Dividends, Per Share, Declared
Dividends Payable, Date to be Paid
Dividend Payable Date To Be Paid Day Month And Year
Dividends Payable, Date of Record
Dividends Payable Date Of Record Day Month And Year
Effect of dilutive securities
Weighted Average Number Diluted Shares Outstanding Adjustment
Weighted Average Shares of Common Stock Outstanding - Diluted
Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees.
Amount of tax (expense) benefit of defined benefit plan reclassification adjustment from AOCI pension and other postretirement benefit plans due to curtailment.
Accumulated Other Comprehensive (Income) Loss Defined Benefit Plan [Abstract]
Balance, Beginning of Period
Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax
Change in Foreign Currency Translation Adjustment
Balance, End of Period, Foreign currency translation adjustment
Pension and Other Post-Employment Benefit Plans
Accumulated Other Comprehensive Income Loss Defined Benefit Plan [Abstract]
Balance, Beginning of Period
Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax
Amounts Reclassified from Other Comprehensive Income:
Other Comprehensive Income Loss Reclassification Adjustment From A O C I Pension And Other Postretirement Benefit Plans Before Tax [Abstract]
Reclassification of net actuarial (gains) and losses to net earnings
Other Comprehensive Income Loss Reclassification Adjustment From A O C I Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax
Income taxes
Other Comprehensive Income Loss Reclassification Adjustment From A O C I Pension And Other Postretirement Benefit Plans Tax
Curtailment in net defined periodic benefit cost
Other Comprehensive Income Loss Defined Benefit Plan Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Due To Curtailment Before Tax
Income taxes
Other Comprehensive Income Loss Defined Benefit Plan Reclassification Adjustment From A O C I Pension And Other Postretirement Benefit Plans Due To Curtailment Tax
Balance, End of Period
Total Accumulated Other Comprehensive Income
Length of remaining terms.
Length of renewal terms.
Contracted gas processing and/or gas gathering and compression volumes under long-term contracts.
Schedule Of Variable Interest Entities [Table]
Schedule Of Variable Interest Entities [Table]
Legal Entity
Legal Entity [Axis]
Entity
Entity [Domain]
An independent third-party entity in the business of providing natural gas and natural gas liquids gathering, compression and processing services.
Veresen Midstream Limited Partnership [Member]
Veresen Midstream Limited Partnership [Member]
The collection and transportation of natural gas and natural gas by-products produced from wells, through pipelines, under pressure, to processing facilities and sales points.
Natural gas gathering and compression [Member]
Natural Gas Gathering And Compression [Member]
An industrial process which removes impurities from raw natural gas and separates various non-methane hydrocarbons and fluids to produce pipeline quality dry natural gas.
Natural gas processing [Member]
Natural Gas Processing [Member]
Liability Class
Fair Value By Liability Class [Axis]
Fair Value by Liability Class
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation By Liability Class [Domain]
Contractual agreement between the entity and it's supplier(s) where the entity's obligation to pay for goods or services is unconditional regardless of whether or not the goods or services are delivered or taken.
Take or Pay Commitment [Member]
Take Or Pay Commitment [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity [Line Items]
Contracted capacity volumes
Contracted Capacity Volumes
Length of remaining terms, in years
Length Of Remaining Terms
Length of renewal term, in years
Length Of Renewal Terms
The point in time, in years, when the assessment will be made to determine whether payout of minimum cost will be made by the reporting entity to the variable interest entity, on certain service agreements, to cover shortfall of cash flows.
Variable interest entity, financial support, term of assessment
Variable Interest Entity Financial Support Term Of Assessment
Variable interest entity, reporting entity involvement, maximum loss exposure, amount
Variable Interest Entity Entity Maximum Loss Exposure Amount
Accounts payable and accrued liabilities, current
Restructuring and Related Activities, Initiation Date
Restructuring And Related Activities Initiation Date
Workforce reduction percentage
Restructuring And Related Cost Number Of Positions Eliminated Period Percent
Restructuring Charges
Restructuring Charges
Restructuring Reserve
Restructuring Reserve
Expected transition and severance costs
Restructuring And Related Cost Expected Cost1
Charges incurred for outplacement services, moving and other expenses related to restructuring activities.
Severance and Benefits
Severance Costs1
Outplacement, Moving and Other Expenses
Outplacement Moving And Other Expenses
Restructuring Expenses
Outstanding Restructuring Accrual, Beginning of Year
Restructuring Expenses Incurred
Restructuring Costs Paid
Payments For Restructuring
Outstanding Restructuring Accrual, End of Period
Share based compensation arrangement by share based payment award fair value assumptions weighted average grant date fair value.
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Canadian Dollar [Member]
Currency [Axis]
All Currencies
All Currencies [Domain]
United States Of America Dollars [Member]
U S D
Canadian Dollar [Member]
C A D
Award Type
Award Type [Axis]
Award Type
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Stock Appreciation Rights (SARs) [Member]
Stock Appreciation Rights S A R S [Member]
Share instrument awarded to employees where the option to purchase common shares under the stock option plan is granted with the right to receive a cash payment equal to the excess of the market price of entity's common shares at the time of exercise over the original grant price, in lieu of exercising the option.
Tandem Stock Appreciation Rights (TSARs) [Member]
Tandem Stock Appreciation Rights [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair Value Assumptions, Risk Free Interest Rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
Fair Value Assumptions, Dividend Yield
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
Fair Value Assumptions, Expected Volatility Rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
Fair Value Assumptions, Expected Term
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
Market Share Price
Share Price
Weighted Average Grant Date Fair Value
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Grant Date Fair Value
The aggregate amount of compensation costs, including capitalized amounts recorded for cash-settled share-based payment transactions.
Compensation costs recorded for equity settled transactions.
Operating Expense [Member]
Operating Expense [Member]
Administrative Expense [Member]
General And Administrative Expense [Member]
Total Compensation Costs of Transactions Classified as Cash-Settled
Compensation Costs Recorded For Cash Settled Transactions
Total Compensation Costs of Transactions Classified as Equity-Settled
Compensation Costs Recorded For Equity Settled Transactions
Less: Total Share-Based Compensation Costs Capitalized
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount
Total Share-Based Compensation Expense
Allocated Share Based Compensation Expense
Liability for cash-settled share-based payment transactions
Deferred Compensation Sharebased Arrangements Liability Current And Noncurrent
Liability for share-based payment recognized in accounts payable and accrued liabilities
Deferred Compensation Share Based Arrangements Liability Current
Liability for share-based payment recognized in other liabilities and provisions
Restricted Share Units (RSUs) [Member]
Restricted Stock [Member]
Performance Share Units (PSUs) [Member]
Performance Shares [Member]
Deferred Share Units (DSUs) [Member]
Phantom Share Units P S Us [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
Compensation And Retirement Disclosure [Abstract]
Schedule Of Defined Benefit Plans Disclosures [Table]
Schedule Of Defined Benefit Plans Disclosures [Table]
OPEB [Member]
Retirement Plan Type [Axis]
Retirement Plan Type
Retirement Plan Type [Domain]
Pension Benefits [Member]
Pension Plans Defined Benefit [Member]
OPEB [Member]
Other Postretirement Benefit Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Net Defined Periodic Benefit Cost
Defined Benefit Plan Net Periodic Benefit Cost
Defined Contribution Plan Expense
Defined Contribution Plan Cost Recognized
Total Benefit Plans Expense
Pension And Other Postretirement Benefit Expense
Other Nonoperating Income (Expense) [Member]
Other Nonoperating Income Expense [Member]
Pension and Other Postretirement (Benefit) Expense
Defined benefit plan curtailments from net prior service costs gain loss reclassified from AOCI.
Defined Benefits [Member]
Service Cost
Defined Benefit Plan Service Cost
Interest Cost
Defined Benefit Plan Interest Cost
Expected Return on Plan Assets
Defined Benefit Plan Expected Return On Plan Assets
Amortization of net actuarial (gains) and losses
Defined Benefit Plan Amortization Of Gains Losses
Curtailment from net prior service costs
Defined Benefit Plan Curtailments From Net Prior Service Costs Gain Loss Reclassified From A O C I
Curtailment
Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments
Total Net Defined Periodic Benefit Cost
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Commodity Derivatives [Member]
Commodity Contract [Member]
Foreign Currency Derivatives [Member]
Foreign Exchange Contract [Member]
Other Current Assets [Member]
Other Current Assets [Member]
Other Noncurrent Assets [Member]
Other Noncurrent Assets [Member]
Other Current Liabilities [Member]
Other Current Liabilities [Member]
Fair Value Hierarchy and NAV
Fair Value By Fair Value Hierarchy Level [Axis]
Fair Value Hierarchy and NAV
Fair Value Measurements Fair Value Hierarchy [Domain]
Level 1 [Member]
Fair Value Inputs Level1 [Member]
Level 2 [Member]
Fair Value Inputs Level2 [Member]
Level 3 [Member]
Fair Value Inputs Level3 [Member]
Accounts receivable and accrued revenues.
Accounts Receivable and Accrued Revenues [Member]
Accounts Receivable And Accrued Revenues [Member]
Accounts Payable and Accrued Liabilities [Member]
Accounts Payable And Accrued Liabilities [Member]
Measurement Basis
Fair Value By Measurement Basis [Axis]
Fair Value Disclosure Item Amounts [Default]
Portion At Fair Value Fair Value Disclosure [Member]
Fair Value Measurement
Fair Value Disclosure Item Amounts [Domain]
Carrying Amount [Member]
Carrying Reported Amount Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Risk Management Assets, Gross assets
Derivative Fair Value Of Derivative Asset
Risk Management Assets, Gross Liabilities
Derivative Asset Fair Value Gross Liability
Risk Management Assets, Net, Current
Risk Management Assets, Net, Long-term
Risk Management Liabilities, Gross liabilities
Derivative Fair Value Of Derivative Liability
Risk Management Liabilities, Gross Assets
Derivative Liability Fair Value Gross Asset
Risk Management Liabilities, Net, Current
Risk Management Liabilities, Net, Long-term
Other derivative contract assets.
Other Derivative Contract Assets
Other Derivative Contract Assets
Guarantor Obligations, Current Carrying Value
Fair value net derivative asset (liability) measured on recurring basis unobservable inputs reconciliation purchases, (sales) and issuances.
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Abstract]
Balance, Beginning Balance
Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs
Total Gains (Losses)
Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings
Purchases, sales and issuances
Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases Sales And Issuances
Settlements
Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements
Transfers Out of Level 3
Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3
Balance, Ending Balance
Change in Unrealized Gains (Losses) During the Period Included in Net Earnings (Loss)
Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Period Increase Decrease
Fair value inputs related to implied commodity price volatility.
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table]
WTI Options member
WTI Options [Member]
Wti Options [Member]
Option Model [Member]
Valuation Technique [Axis]
Valuation Approach and Technique
Valuation Technique [Domain]
Option Model [Member]
Option Model [Member]
Option Model [Member]
Weighted Average [Member]
Weighted Average [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value Inputs Commodity Price Volatility
Fair Value Inputs Implied Commodity Volatility
Measurement Input Type
Measurement Input Type [Axis]
Measurement Input Type
Measurement Input Type [Domain]
Ten Percent Change in Implied Volatility [Member]
Measurement Input Price Volatility [Member]
Increase (Decrease) in Risk Management Assets and Liabilities
Increase Decrease In Risk Management Assets And Liabilities
Derivative [Table]
Derivative [Table]
Other Derivative Contracts [Member]
Other Contract [Member]
Primary financial statement caption encompassing revenue.
Revenue [Member]
Revenue [Member]
Derivative [Line Items]
Derivative [Line Items]
Foreign currency swap, contract amount outstanding
Derivative Notional Amount
Derivative, average forward exchange rate
Derivative Average Forward Exchange Rate1
Derivative maturity year.
Oil [Member]
Oil Reserves [Member]
West Texas intermediate fixed price contracts maturing two thousand and twenty one.
WTI Fixed Price Contracts Maturing 2021 [Member]
West Texas Intermediate Fixed Price Contracts Maturing Two Thousand And Twenty One [Member]
West Texas intermediate fixed price contracts maturing two thousand and twenty two.
WTI Fixed Price Contracts Maturing 2022 [Member]
West Texas Intermediate Fixed Price Contracts Maturing Two Thousand And Twenty Two [Member]
Propane Fixed Price Contract Maturing Two Thousand And Twenty One.
Propane Fixed Price Contracts Maturing 2021 [Member]
Propane Fixed Price Contract Maturing Two Thousand And Twenty One [Member]
Ethane Fixed Price Contract Maturing Two Thousand And Twenty One.
Ethane Fixed Price Contracts Maturing 2021 [Member]
Ethane Fixed Price Contract Maturing Two Thousand And Twenty One [Member]
Butane Fixed Price Contract Maturing Two Thousand And Twenty One.
Butane Fixed Price Contracts Maturing 2021 [Member]
Butane Fixed Price Contract Maturing Two Thousand And Twenty One [Member]
West Texas Intermediate three way options maturing 2021.
WTI Three-Way Options Maturing 2021 [Member]
West Texas Intermediate Three Way Options Maturing Two Thousand And Twenty One [Member]
West Texas intermediate three way options maturing two thousand and twenty two.
WTI Three-Way Options Maturing 2022 [Member]
West Texas Intermediate Three Way Options Maturing Two Thousand And Twenty Two [Member]
Basis contracts maturing 2021.
Basis Contracts Maturing 2021 [Member]
Basis Contracts Maturing Two Thousand And Twenty One [Member]
West Texas Intermediate costless collars maturing 2021.
West Texas Intermediate Costless Collars Maturing 2021 [Member]
West Texas Intermediate Costless Collars Maturing Two Thousand And Twenty One [Member]
Other crude financial positions.
Other Crude Financial Positions [Member]
Other Crude Financial Positions [Member]
Nymex fixed price contracts.
NYMEX Fixed Price Contracts [Member]
Nymex Fixed Price Contracts [Member]
New York Mercantile Exchange fixed price contract maturing 2021.
NYMEX Fixed Price Contracts Maturing 2021 [Member]
New York Mercantile Exchange Fixed Price Contract Maturing Two Thousand And Twenty One [Member]
New York Mercantile Exchange fixed price contract maturing 2022.
NYMEX Fixed Price Contracts Maturing 2022 [Member]
New York Mercantile Exchange Fixed Price Contract Maturing Two Thousand And Twenty Two [Member]
New York mercantile exchange fixed price swaptions maturing two thousand and twenty two.
NYMEX Fixed Price Swaptions Maturing 2022 [Member]
New York Mercantile Exchange Fixed Price Swaptions Maturing Two Thousand And Twenty Two [Member]
New York mercantile exchange three way options maturing two thousand and twenty two.
NYMEX Three-Way Options Maturing 2022 [Member]
New York Mercantile Exchange Three Way Options Maturing Two Thousand And Twenty Two [Member]
New York mercantile exchange costless collars maturing two thousand and twenty two.
NYMEX Costless Collars Maturing 2022 [Member]
New York Mercantile Exchange Costless Collars Maturing Two Thousand And Twenty Two [Member]
Basis Contracts Maturing Two Thousand and Twenty Two.
Basis Contracts Maturing 2022 [Member]
Basis Contracts Maturing Two Thousand And Twenty Two [Member]
Basis Contracts Maturing Two Thousand and Twenty Three to Two Thousand and Twenty Five.
Basis Contracts Maturing 2023 to 2025 [Member]
Basis Contracts Maturing Two Thousand And Twenty Three To Two Thousand And Twenty Five [Member]
New York mercantile exchange three-way options maturing two thousand and twenty one.
NYMEX Three-Way Options Maturing 2021 [Member]
New York Mercantile Exchange Three Way Options Maturing Two Thousand And Twenty One [Member]
New York mercantile exchange call options maturing two thousand and twenty two.
NYMEX Call Options Maturing 2022 [Member]
New York Mercantile Exchange Call Options Maturing Two Thousand And Twenty Two [Member]
Currency Swap [Member]
Currency Swap [Member]
Other Financial Positions [Member]
Position
Position [Axis]
Position
Position [Domain]
Sold [Member]
Short [Member]
Fair value position excluding unexpired options.
Fair Value Position Excluding Unexpired Options [Member]
Fair Value Position Excluding Unexpired Options [Member]
Basis Contracts Maturing 2023 to 2025 [Member]
Open Option Contracts Written Type
Open Option Contracts Written Type [Axis]
Open Option Contracts Written Type
Open Option Contracts Written Type [Domain]
Call Option [Member]
Call Option [Member]
Put Option [Member]
Put Option [Member]
Bought [Member]
Long [Member]
Derivative, Nonmonetary Notional Amount, Volumes/day
Derivative Nonmonetary Notional Amount Volume
Term
Derivative Maturity Year
Average Price, Fixed Price Contracts
Derivative Swap Type Average Fixed Price
Price Risk Derivatives, at Fair Value, Net
Price Risk Derivatives At Fair Value Net
Term
Derivative Maturity Dates
Average Price, Options/Collars
Derivative Average Price Risk Option Strike Price
The current carrying amount of the benefit from and liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.
Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments and guarantee obligations.
Other Derivative Contracts, Net
Guarantee Benefits And Obligations Current Carrying Value
Foreign Currency Swaps, at Fair value, Net
Foreign Currency Cash Flow Hedge Derivative At Fair Value Net
Total Fair Value Position
Risk Management And Other Derivative Guarantee At Fair Value Net
Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table]
Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table]
Foreign Currency Gain (Loss) [Member]
Foreign Currency Gain Loss [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Gain Loss [Line Items]
Realized Gain (Loss) on Derivatives
Gain Loss On Sale Of Derivatives
Unrealized Gain (Loss) on Derivatives
Unrealized Gain Loss On Derivatives
Realized and Unrealized Gain (Loss) on Risk Management
Derivative Gain Loss On Derivative Net
Realized Gain (Loss) on Derivatives
Unrealized Gain (Loss) on Derivatives
Settlement of other derivative contracts.
Fair value of other derivative contract assets entered into during the period.
Commodity Contract [Member]
Fair Value of Contracts, Beginning of Year
Increase (Decrease) in Derivative Assets and Liabilities
Increase Decrease In Derivative Assets And Liabilities
Settlement of Other Derivative Contracts
Settlement Of Other Derivative Contracts
Fair Value of Other Derivative Contract Assets Entered into During the Period
Fair Value Of Other Derivative Contract Assets Entered Into During Period
Fair Value of Contracts Realized During the Period
Fair Value of Contracts, End of Period
Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table]
Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table]
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives Fair Value [Line Items]
Risk Management, Current asset
Risk Management, Long-term asset
Risk Management, Total asset
Derivative Assets
Risk Management, Current liability
Risk Management, Long-term liability
Risk Management, Total liability
Derivative Liabilities
Risk Management and Other Derivative Guarantee, at Fair Value, Net
Concentration risk credit risk financial instrument maximum exposure based on net fair value basis.
Credit risk, financial instrument, maximum exposure, based on gross fair value basis
Concentration Risk Credit Risk Financial Instrument Maximum Exposure
Credit risk, financial instrument, maximum exposure, based on net fair value basis
Concentration Risk Credit Risk Financial Instrument Maximum Exposure Based On Net Fair Value Basis
Number of credit risk derivatives held
Number Of Credit Risk Derivatives Held
Collateral balances
Debt Instrument Collateral Amount
Percentage of accounts receivable and financial Derivative credit exposures with investment grade counterparties.
Concentration risk, percentage
Percent Of Accounts Receivable And Financial Derivative Credit Exposures With Investment Grade Counterparties
Guarantor Obligations, Term
Guarantee Obligations Term
Guarantor Obligations, Maximum Exposure, Undiscounted
Guarantee Obligations Maximum Exposure
Increase (decrease) in current portion of operating lease liabilities.
Accounts receivable and accrued revenues
Increase Decrease In Accounts Receivable And Other Operating Assets
Accounts payable and accrued liabilities
Increase Decrease In Accounts Payable And Accrued Liabilities
Current portion of operating lease liabilities
Increase Decrease In Current Portion Of Operating Lease Liabilities
Income tax receivable and payable
Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable
Net change in non-cash working capital
ROU operating lease assets and liabilities.
The increase (decrease) during the reporting period for capital accruals.
The amount representing the non-cash portion of compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.
Contingent consideration related to asset divestiture.
Cash flow noncash operating activities disclosure.
Noncash Or Part Noncash Acquisitions [Table]
Noncash Or Part Noncash Acquisitions [Table]
Noncash Or Part Noncash Acquisitions [Line Items]
Noncash Or Part Noncash Acquisitions [Line Items]
Non-Cash Operating Activities
Cash Flow Noncash Operating Activities Disclosure [Abstract]
ROU operating lease assets and liabilities
R O U Operating Lease Assets And Liabilities
Non-Cash Investing Activities
Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract]
Asset retirement obligation incurred
Asset Retirement Obligation Liabilities Incurred
Asset retirement obligation change in estimated future cash outflows
Asset Retirement Obligation Revision Of Estimate
Property, plant and equipment accruals
Increase Decrease In Property Plant And Equipment Accruals
Capitalized long-term incentives
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Non Cash Amount
Property additions/dispositions (swaps)
Contribution Of Property
Contingent consideration (See Note 7)
Contingent Consideration Related To Asset Divestiture
Contractual obligation due after fourth year.
Commitments.
Commitments.
Commitments [Table]
Commitments [Table]
Collaborative Arrangement and Arrangement Other than Collaborative
Type Of Arrangement [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative
Arrangements And Nonarrangement Transactions [Member]
Transportation And Processing Commitments [Member]
Transportation and Processing Commitments [Member]
Transporation And Processing Commitments [Member]
Drilling And Field Services Commitments [Member]
Drilling and Field Services Commitments [Member]
Drilling And Field Services Commitments [Member]
Building leases.
Building Leases [Member]
Building Leases [Member]
Commitments [Line Items]
Commitments [Line Items]
2021
Contractual Obligation Future Minimum Payments Due Remainder Of Fiscal Year
2022
Contractual Obligation Due In Next Twelve Months
2023
Contractual Obligation Due In Second Year
2024
Contractual Obligation Due In Third Year
2025
Contractual Obligation Due In Fourth Year
Thereafter
Contractual Obligation Due After Fourth Year
Total
Contractual Obligation