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Description of Business and Segmented Disclosures (Tables) | 12 Months Ended
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Dec. 31, 2020
Disclosure Of Reportable Segments [Abstract] |
Schedule of Segment and Operational Information | A) Results of Operations – Segment and Operational Information
| Oil Sands |  |  | Conventional |  |  | Refining and Marketing |
For the years ended December 31, | 2020 |  |  | 2019 |  |  | 2018 |  |  | 2020 |  |  | 2019 |  |  | 2018 |  |  | 2020 |  |  | 2019 |  |  | 2018 |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Sales |  | 7,514 |  |  |  | 10,838 |  |  |  | 10,026 |  |  |  | 635 |  |  |  | 691 |  |  |  | 904 |  |  |  | 6,051 |  |  |  | 10,513 |  |  |  | 11,183 |
Less: Royalties |  | 324 |  |  |  | 1,143 |  |  |  | 473 |  |  |  | 40 |  |  |  | 30 |  |  |  | 73 |  |  |  | - |  |  |  | - |  |  |  | - |
|  | 7,190 |  |  |  | 9,695 |  |  |  | 9,553 |  |  |  | 595 |  |  |  | 661 |  |  |  | 831 |  |  |  | 6,051 |  |  |  | 10,513 |  |  |  | 11,183 |
Expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchased Product |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 5,397 |  |  |  | 8,795 |  |  |  | 9,201 |
Transportation and Blending |  | 4,399 |  |  |  | 5,152 |  |  |  | 5,879 |  |  |  | 81 |  |  |  | 82 |  |  |  | 90 |  |  |  | - |  |  |  | - |  |  |  | - |
Operating |  | 1,094 |  |  |  | 1,039 |  |  |  | 1,037 |  |  |  | 318 |  |  |  | 337 |  |  |  | 403 |  |  |  | 824 |  |  |  | 948 |  |  |  | 927 |
Inventory Write-Down (Reversal) |  | 316 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 239 |  |  |  | 49 |  |  |  | 60 |
(Gain) Loss on Risk Management |  | 268 |  |  |  | 23 |  |  |  | 1,551 |  |  |  | - |  |  |  | - |  |  |  | 26 |  |  |  | (21 | ) |  |  | (16 | ) |  |  | (1 | )
Operating Margin |  | 1,113 |  |  |  | 3,481 |  |  |  | 1,086 |  |  |  | 196 |  |  |  | 242 |  |  |  | 312 |  |  |  | (388 | ) |  |  | 737 |  |  |  | 996 |
Depreciation, Depletion and Amortization |  | 1,684 |  |  |  | 1,543 |  |  |  | 1,439 |  |  |  | 880 |  |  |  | 319 |  |  |  | 412 |  |  |  | 739 |  |  |  | 280 |  |  |  | 222 |
Exploration Expense |  | 9 |  |  |  | 18 |  |  |  | 6 |  |  |  | 82 |  |  |  | 64 |  |  |  | 2,117 |  |  |  | - |  |  |  | - |  |  |  | - |
Segment Income (Loss) |  | (580 | ) |  |  | 1,920 |  |  |  | (359 | ) |  |  | (766 | ) |  |  | (141 | ) |  |  | (2,217 | ) |  |  | (1,127 | ) |  |  | 457 |  |  |  | 774 |
|  |  |  |  |  |  |  |  |  |  |  |  | Corporate and Eliminations |  |  | Consolidated |
For the years ended December 31, |  |  |  |  |  |  |  |  |  |  |  |  | 2020 |  |  | 2019 |  |  | 2018 |  |  | 2020 |  |  | 2019 |  |  | 2018 |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  |  |  |  |  |  |  |  |  |  | (609 | ) |  |  | (689 | ) |  |  | (724 | ) |  |  | 13,591 |  |  |  | 21,353 |  |  |  | 21,389 |
Less: Royalties |  |  |  |  |  |  |  |  |  |  |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 364 |  |  |  | 1,173 |  |  |  | 546 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | (609 | ) |  |  | (689 | ) |  |  | (724 | ) |  |  | 13,227 |  |  |  | 20,180 |  |  |  | 20,843 |
Expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchased Product |  |  |  |  |  |  |  |  |  |  |  |  |  | (278 | ) |  |  | (417 | ) |  |  | (517 | ) |  |  | 5,119 |  |  |  | 8,378 |  |  |  | 8,684 |
Transportation and Blending |  |  |  |  |  |  |  |  |  |  |  |  |  | (36 | ) |  |  | (50 | ) |  |  | (27 | ) |  |  | 4,444 |  |  |  | 5,184 |  |  |  | 5,942 |
Operating |  |  |  |  |  |  |  |  |  |  |  |  |  | (306 | ) |  |  | (236 | ) |  |  | (183 | ) |  |  | 1,930 |  |  |  | 2,088 |  |  |  | 2,184 |
Inventory Write-Down (Reversal) |  |  |  |  |  |  |  |  |  |  |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 555 |  |  |  | 49 |  |  |  | 60 |
(Gain) Loss on Risk Management |  |  |  |  |  |  |  |  |  |  |  |  |  | 61 |  |  |  | 149 |  |  |  | (1,271 | ) |  |  | 308 |  |  |  | 156 |  |  |  | 305 |
Depreciation, Depletion and Amortization |  |  |  |  |  |  |  |  |  |  |  | 161 |  |  |  | 107 |  |  |  | 58 |  |  |  | 3,464 |  |  |  | 2,249 |  |  |  | 2,131 |
Exploration Expense |  |  |  |  |  |  |  |  |  |  |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 91 |  |  |  | 82 |  |  |  | 2,123 |
Segment Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  | (211 | ) |  |  | (242 | ) |  |  | 1,216 |  |  |  | (2,684 | ) |  |  | 1,994 |  |  |  | (586 | )
General and Administrative |  |  |  |  |  |  |  |  |  |  |  |  |  | 292 |  |  |  | 331 |  |  |  | 1,020 |  |  |  | 292 |  |  |  | 331 |  |  |  | 1,020 |
Finance Costs |  |  |  |  |  |  |  |  |  |  |  |  |  | 536 |  |  |  | 511 |  |  |  | 627 |  |  |  | 536 |  |  |  | 511 |  |  |  | 627 |
Interest Income |  |  |  |  |  |  |  |  |  |  |  |  |  | (9 | ) |  |  | (12 | ) |  |  | (19 | ) |  |  | (9 | ) |  |  | (12 | ) |  |  | (19 | )
Transaction Costs |  |  |  |  |  |  |  |  |  |  |  |  |  | 29 |  |  |  | - |  |  |  | - |  |  |  | 29 |  |  |  | - |  |  |  | - |
Foreign Exchange (Gain) Loss, Net |  |  |  |  |  |  |  |  |  |  |  |  |  | (181 | ) |  |  | (404 | ) |  |  | 854 |  |  |  | (181 | ) |  |  | (404 | ) |  |  | 854 |
Re-measurement of Contingent Payment |  |  |  |  |  |  |  |  |  |  |  | (80 | ) |  |  | 164 |  |  |  | 50 |  |  |  | (80 | ) |  |  | 164 |  |  |  | 50 |
(Gain) Loss on Divestiture of Assets |  |  |  |  |  |  |  |  |  |  |  | (81 | ) |  |  | (2 | ) |  |  | 795 |  |  |  | (81 | ) |  |  | (2 | ) |  |  | 795 |
Other (Income) Loss, Net |  |  |  |  |  |  |  |  |  |  |  |  |  | 40 |  |  |  | 9 |  |  |  | 13 |  |  |  | 40 |  |  |  | 9 |  |  |  | 13 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | 546 |  |  |  | 597 |  |  |  | 3,340 |  |  |  | 546 |  |  |  | 597 |  |  |  | 3,340 |
Earnings (Loss) From Continuing Operations Before Income Tax |  |  |  |  |  |  |  |  |  |  |  | (3,230 | ) |  |  | 1,397 |  |  |  | (3,926 | )
Income Tax Expense (Recovery) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (851 | ) |  |  | (797 | ) |  |  | (1,010 | )
Net Earnings (Loss) From Continuing Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (2,379 | ) |  |  | 2,194 |  |  |  | (2,916 | )
Schedule of Revenues by Product | B) Revenues by Product
For the years ended December 31, |  | 2020 |  |  |  | 2019 |  |  |  | 2018 |
Upstream |  |  |  |  |  |  |  |  |  |  |
Crude Oil |  | 7,270 |  |  |  | 9,790 |  |  |  | 9,662 |
NGLs |  | 142 |  |  |  | 202 |  |  |  | 333 |
Natural Gas |  | 315 |  |  |  | 299 |  |  |  | 320 |
Other |  | 58 |  |  |  | 65 |  |  |  | 69 |
Refined Products |  | 4,734 |  |  |  | 8,291 |  |  |  | 9,032 |
Market Optimization |  | 1,317 |  |  |  | 2,222 |  |  |  | 2,151 |
Corporate and Eliminations |  | (609 | ) |  |  | (689 | ) |  |  | (724 | )
Revenues From Continuing Operations |  | 13,227 |  |  |  | 20,180 |  |  |  | 20,843 |
Schedule of Geographical Information | C) Geographical Information
| Revenues |
For the years ended December 31, |  | 2020 |  |  |  | 2019 |  |  |  | 2018 |
Canada |  | 8,399 |  |  |  | 11,798 |  |  |  | 11,694 |
United States |  | 4,828 |  |  |  | 8,382 |  |  |  | 9,149 |
Consolidated |  | 13,227 |  |  |  | 20,180 |  |  |  | 20,843 |
| Non-Current Assets (1) |
As at December 31, | 2020 |  |  | 2019 |
Canada |  | 26,168 |  |  |  | 28,336 |
United States |  | 3,590 |  |  |  | 4,093 |
Consolidated |  | 29,758 |  |  |  | 32,429 |
(1) | Includes exploration and evaluation (“E&E”) assets, property, plant and equipment (“PP&E”), right-of-use (“ROU”) assets, other assets and goodwill.
Schedule of Assets by Segment | D) Assets by Segment
| E&E Assets (1) |  |  | PP&E |  |  | ROU Assets |
As at December 31, | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Oil Sands |  | 617 |  |  |  | 594 |  |  |  | 19,748 |  |  |  | 20,924 |  |  |  | 623 |  |  |  | 768 |
Conventional |  | 6 |  |  |  | 193 |  |  |  | 1,758 |  |  |  | 2,433 |  |  |  | 3 |  |  |  | 3 |
Refining and Marketing | - |  |  | - |  |  |  | 3,652 |  |  |  | 4,131 |  |  |  | 79 |  |  |  | 77 |
Corporate and Eliminations | - |  |  | - |  |  |  | 253 |  |  |  | 346 |  |  |  | 434 |  |  |  | 477 |
Consolidated |  | 623 |  |  |  | 787 |  |  |  | 25,411 |  |  |  | 27,834 |  |  |  | 1,139 |  |  |  | 1,325 |
|  |  |  |  | Goodwill |  |  | Total Assets |
As at December 31, |  |  |  |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Oil Sands |  |  |  |  |  | 2,272 |  |  |  | 2,272 |  |  |  | 24,656 |  |  |  | 26,203 |
Conventional |  |  |  |  | - |  |  | - |  |  |  | 1,953 |  |  |  | 2,754 |
Refining and Marketing |  |  |  |  | - |  |  | - |  |  |  | 4,951 |  |  |  | 5,688 |
Corporate and Eliminations |  |  |  |  | - |  |  | - |  |  |  | 1,210 |  |  |  | 1,068 |
Consolidated |  |  |  |  |  | 2,272 |  |  |  | 2,272 |  |  |  | 32,770 |  |  |  | 35,713 |
(1) | Prior to its sale, Marten Hills was reclassified from the Oil Sands segment to the Conventional segment and the comparative period was reclassified.
Schedule of Capital Expenditures | E) Capital Expenditures (1)
For the years ended December 31, |  | 2020 |  |  |  | 2019 |  |  |  | 2018 |
Capital Investment (2) |  |  |  |  |  |  |  |  |  |  |
Oil Sands |  | 427 |  |  |  | 656 |  |  |  | 870 |
Conventional |  | 78 |  |  |  | 103 |  |  |  | 228 |
Refining and Marketing |  | 276 |  |  |  | 280 |  |  |  | 208 |
Corporate and Eliminations |  | 60 |  |  |  | 137 |  |  |  | 57 |
|  | 841 |  |  |  | 1,176 |  |  |  | 1,363 |
Acquisition Capital |  |  |  |  |  |  |  |  |  |  |
Oil Sands |  | 6 |  |  |  | 2 |  |  |  | 319 |
Conventional |  | 12 |  |  |  | 7 |  |  |  | 22 |
Refining and Marketing |  | - |  |  |  | 4 |  |  |  | - |
Total Capital Expenditures |  | 859 |  |  |  | 1,189 |  |  |  | 1,704 |
(1) | Includes expenditures on PP&E and E&E assets.
(2) | Prior to its sale, Marten Hills was reclassified from the Oil Sands segment to the Conventional segment and the comparative periods were reclassified.

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