0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Statements of Comprehensive Income (Loss) (unaudited) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Balance Sheets (unaudited) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements of Equity (unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statements of Cash Flows (unaudited) link:presentationLink link:calculationLink link:definitionLink 9952155 - Disclosure - DESCRIPTION OF BUSINESS AND SEGMENTED DISCLOSURES link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - BASIS OF PREPARATION AND STATEMENT OF COMPLIANCE link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - UPDATE TO ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - MEG ENERGY CORP. ACQUISITION link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - GENERAL AND ADMINISTRATIVE link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - FINANCE COSTS, NET link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - FOREIGN EXCHANGE (GAIN) LOSS, NET link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - DIVESTITURE link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - PER SHARE AMOUNTS link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Accounts Receivable and Accrued Revenues link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - EXPLORATION AND EVALUATION ASSETS, NET link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - DEBT AND CAPITAL STRUCTURE link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Contingent Payments link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - DECOMMISSIONING LIABILITIES link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - OTHER LIABILITIES link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - SHARE CAPITAL AND WARRANTS link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - STOCK-BASED COMPENSATION PLANS link:presentationLink link:calculationLink link:definitionLink 9952176 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 9952177 - Disclosure - FINANCIAL INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 9952178 - Disclosure - RISK MANAGEMENT link:presentationLink link:calculationLink link:definitionLink 9952179 - Disclosure - SUPPLEMENTARY CASH FLOW INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952180 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9952181 - Disclosure - SUBSEQUENT EVENT link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - DESCRIPTION OF BUSINESS AND SEGMENTED DISCLOSURES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - GENERAL AND ADMINISTRATIVE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - FINANCE COSTS, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - FOREIGN EXCHANGE (GAIN) LOSS, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - PER SHARE AMOUNTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Accounts Receivable and Accrued Revenues (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - EXPLORATION AND EVALUATION ASSETS, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - DEBT AND CAPITAL STRUCTURE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - DECOMMISSIONING LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - OTHER LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - SHARE CAPITAL AND WARRANTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - STOCK-BASED COMPENSATION PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - RELATED PARTY TRANSACTIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - FINANCIAL INSTRUMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - RISK MANAGEMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - SUPPLEMENTARY CASH FLOW INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - DESCRIPTION OF BUSINESS AND SEGMENTED DISCLOSURES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - DESCRIPTION OF BUSINESS AND SEGMENTED DISCLOSURES - Schedule of Segment and Operational Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - DESCRIPTION OF BUSINESS AND SEGMENTED DISCLOSURES - Schedule of Revenues by Product (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - DESCRIPTION OF BUSINESS AND SEGMENTED DISCLOSURES - Schedule of Geographical Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - DESCRIPTION OF BUSINESS AND SEGMENTED DISCLOSURES - Schedule of Assets by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - DESCRIPTION OF BUSINESS AND SEGMENTED DISCLOSURES - Schedule of Capital Expenditures (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - MEG ENERGY CORP. ACQUISITION (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - GENERAL AND ADMINISTRATIVE - Summary of General and Administrative Expenses (Detail) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - FINANCE COSTS, NET (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - FOREIGN EXCHANGE (GAIN) LOSS, NET (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - DIVESTITURE (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - INCOME TAXES - Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - PER SHARE AMOUNTS - Schedule Representing Per Share Amounts (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - PER SHARE AMOUNTS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Accounts Receivables and Accrued Revenues (Detail) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - EXPLORATION AND EVALUATION ASSETS, NET (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - LEASES - Schedule of Right of Use Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - LEASES - Schedule of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - DEBT AND CAPITAL STRUCTURE - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - DEBT AND CAPITAL STRUCTURE - Schedule of Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - DEBT AND CAPITAL STRUCTURE - Schedule of Net Debt to Adjusted EBITDA (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - DEBT AND CAPITAL STRUCTURE - Schedule of Net Debt to Adjusted Funds Flow (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - DEBT AND CAPITAL STRUCTURE - Schedule of Net Debt to Capitalization (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Contingent Payments - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - DECOMMISSIONING LIABILITIES - Schedule of Decommissioning Provision (Detail) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - DECOMMISSIONING LIABILITIES - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - OTHER LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - SHARE CAPITAL AND WARRANTS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - SHARE CAPITAL AND WARRANTS - Issued and Outstanding - Common Shares (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - SHARE CAPITAL AND WARRANTS - Schedule of ASPP Repurchase Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - SHARE CAPITAL AND WARRANTS - Treasury Shares (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - SHARE CAPITAL AND WARRANTS - First Preferred Shares (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - SHARE CAPITAL AND WARRANTS - Issued and Outstanding - Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - STOCK-BASED COMPENSATION PLANS - Information Related to Cenovus's Stock-Based Compensation Plans (Detail) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - STOCK-BASED COMPENSATION PLANS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - STOCK-BASED COMPENSATION PLANS - Stock-Based Compensation (Detail) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - FINANCIAL INSTRUMENTS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - FINANCIAL INSTRUMENTS - Reconciliation of Changes in the Fair Value of Available for Sale Financial Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - FINANCIAL INSTRUMENTS - Unrealized Risk Management Positions (Detail) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - FINANCIAL INSTRUMENTS - Fair Value Hierarchy for Risk Management Assets and Liabilities Carried at Fair Value (Detail) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - FINANCIAL INSTRUMENTS - Reconciliation of Changes in the Fair Value of Cenovus's Risk Management Assets and Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - FINANCIAL INSTRUMENTS - Earnings Impact of (Gain) Loss from Risk Management Positions (Detail) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - RISK MANAGEMENT - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - RISK MANAGEMENT - Net Fair Value of Risk Management Positions (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - RISK MANAGEMENT - Impact of Fluctuating Commodity Prices and Interest Rates on Company'S Open Risk Management Positions (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - RISK MANAGEMENT - Undiscounted Cash Outflows Relating to Financial Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - SUPPLEMENTARY CASH FLOW INFORMATION - Non-Cash Working Capital (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - SUPPLEMENTARY CASH FLOW INFORMATION - Reconciliation of Liabilities to Cash Flows from Financing Activities (Details) link:presentationLink link:calculationLink link:definitionLink 9955583 - Disclosure - COMMITMENTS AND CONTINGENCIES - Future Payments for Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 9955584 - Disclosure - COMMITMENTS AND CONTINGENCIES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955585 - Disclosure - SUBSEQUENT EVENT (Details) link:presentationLink link:calculationLink link:definitionLink