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Segmented Information - Operating Segments Earnings (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Revenue [abstract] |  |  |  |
Product sales | $ 24,394 | $ 22,282 | $ 18,360 | [1]
Less: royalties | (1,523) | (1,255) | (1,018) |
Revenue | 22,871 | 21,027 | 17,342 |
Expenses |  |  |  |
Production | 6,277 | 6,464 | 5,675 | [1]
Transportation, blending and feedstock | 4,699 | 4,189 | 3,529 | [1]
Depletion, depreciation and amortization | 5,546 | 5,161 | 5,186 |
Asset retirement obligation accretion | 190 | 186 | 164 |
Realized risk management (commodity derivatives) | 64 | (99) | (2) |
Gain on acquisition, disposition and revaluation of properties | 0 | (452) | (379) |
Loss (gain) from investments | 293 | 346 | (38) |
Total expenses | 17,915 | 17,505 | 14,469 |
Administration | 344 | 325 | 319 |
Share-based compensation | 223 | (146) | 134 |
Interest and other financing expense | 836 | 739 | 631 |
Net unrealized risk management loss (gain) | 13 | (35) | 37 |
Foreign exchange (gain) loss | (570) | 827 | (787) |
Earnings before taxes | 4,956 | 3,522 | 2,873 |
Current income tax expense (recovery) | 434 | 374 | (164) |
Deferred income tax expense (recovery) | (894) | 557 | 640 |
Net earnings | 5,416 | 2,591 | 2,397 |
Inter–segment elimination and other |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 496 | 558 | 609 |
Less: royalties | 0 | 0 | 0 |
Revenue | 496 | 558 | 609 |
Expenses |  |  |  |
Production | 56 | 58 | 71 |
Transportation, blending and feedstock | 437 | 491 | 527 |
Depletion, depreciation and amortization | 0 | 0 | 0 |
Asset retirement obligation accretion | 0 | 0 | 0 |
Realized risk management (commodity derivatives) | 0 | 0 | 0 |
Gain on acquisition, disposition and revaluation of properties | 0 | 0 | 0 |
Loss (gain) from investments | 0 | 0 | 0 |
Total expenses | 493 | 549 | 598 |
Earnings before taxes | 3 | 9 | 11 |
Non-segmented |  |  |  |
Expenses |  |  |  |
Loss (gain) from investments | 6 | 341 | (7) |
Total expenses | 867 | 1,962 | 370 |
Administration | 344 | 325 | 319 |
Share-based compensation | 223 | (146) | 134 |
Interest and other financing expense | 836 | 739 | 631 |
Net unrealized risk management loss (gain) | 28 | (124) | 80 |
Foreign exchange (gain) loss | (570) | 827 | (787) |
Total Segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 24,394 | 22,282 | 18,360 |
Less: royalties | (1,523) | (1,255) | (1,018) |
Revenue | 22,871 | 21,027 | 17,342 |
Expenses |  |  |  |
Production | 6,277 | 6,464 | 5,675 |
Transportation, blending and feedstock | 4,699 | 4,189 | 3,529 |
Depletion, depreciation and amortization | 5,546 | 5,161 | 5,186 |
Asset retirement obligation accretion | 190 | 186 | 164 |
Realized risk management (commodity derivatives) | 49 | (10) | (45) |
Gain on acquisition, disposition and revaluation of properties | 0 | (452) | (379) |
Loss (gain) from investments | 287 | 5 | (31) |
Total expenses | 17,048 | 15,543 | 14,099 |
Earnings before taxes | 5,823 | 5,484 | 3,243 |
North America | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 10,835 | 8,510 | 9,161 |
Less: royalties | (998) | (723) | (809) |
Revenue | 9,837 | 7,787 | 8,352 |
Expenses |  |  |  |
Production | 2,425 | 2,405 | 2,362 |
Transportation, blending and feedstock | 2,935 | 2,587 | 2,291 |
Depletion, depreciation and amortization | 3,326 | 3,132 | 3,243 |
Asset retirement obligation accretion | 95 | 87 | 80 |
Realized risk management (commodity derivatives) | 49 | (10) | (45) |
Gain on acquisition, disposition and revaluation of properties | 0 | (277) | (35) |
Loss (gain) from investments | 0 | 0 | 0 |
Total expenses | 8,830 | 7,924 | 7,896 |
Earnings before taxes | 1,007 | (137) | 456 |
North Sea | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 922 | 893 | 784 |
Less: royalties | (2) | (2) | (1) |
Revenue | 920 | 891 | 783 |
Expenses |  |  |  |
Production | 391 | 405 | 400 |
Transportation, blending and feedstock | 19 | 22 | 31 |
Depletion, depreciation and amortization | 308 | 257 | 509 |
Asset retirement obligation accretion | 28 | 29 | 27 |
Realized risk management (commodity derivatives) | 0 | 0 | 0 |
Gain on acquisition, disposition and revaluation of properties | 0 | (139) | 0 |
Loss (gain) from investments | 0 | 0 | 0 |
Total expenses | 746 | 574 | 967 |
Earnings before taxes | 174 | 317 | (184) |
Offshore Africa | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 707 | 698 | 632 |
Less: royalties | (42) | (51) | (41) |
Revenue | 665 | 647 | 591 |
Expenses |  |  |  |
Production | 109 | 208 | 226 |
Transportation, blending and feedstock | 2 | 2 | 1 |
Depletion, depreciation and amortization | 242 | 201 | 205 |
Asset retirement obligation accretion | 6 | 9 | 9 |
Realized risk management (commodity derivatives) | 0 | 0 | 0 |
Gain on acquisition, disposition and revaluation of properties | 0 | (36) | 0 |
Loss (gain) from investments | 0 | 0 | 0 |
Total expenses | 359 | 384 | 441 |
Earnings before taxes | 306 | 263 | 150 |
Oil Sands Mining and Upgrading | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 11,346 | 11,521 | 7,072 |
Less: royalties | (481) | (479) | (167) |
Revenue | 10,865 | 11,042 | 6,905 |
Expenses |  |  |  |
Production | 3,276 | 3,367 | 2,600 |
Transportation, blending and feedstock | 1,306 | 1,087 | 679 |
Depletion, depreciation and amortization | 1,656 | 1,557 | 1,220 |
Asset retirement obligation accretion | 61 | 61 | 48 |
Realized risk management (commodity derivatives) | 0 | 0 | 0 |
Gain on acquisition, disposition and revaluation of properties | 0 | 0 | (230) |
Loss (gain) from investments | 0 | 0 | 0 |
Total expenses | 6,299 | 6,072 | 4,317 |
Earnings before taxes | 4,566 | 4,970 | 2,588 |
Midstream and Refining | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 88 | 102 | 102 |
Less: royalties | 0 | 0 | 0 |
Revenue | 88 | 102 | 102 |
Expenses |  |  |  |
Production | 20 | 21 | 16 |
Transportation, blending and feedstock | 0 | 0 | 0 |
Depletion, depreciation and amortization | 14 | 14 | 9 |
Asset retirement obligation accretion | 0 | 0 | 0 |
Realized risk management (commodity derivatives) | 0 | 0 | 0 |
Gain on acquisition, disposition and revaluation of properties | 0 | 0 | (114) |
Loss (gain) from investments | 287 | 5 | (31) |
Total expenses | 321 | 40 | (120) |
Earnings before taxes | (233) | 62 | 222 |
Crude Oil and NGLs | Inter–segment elimination and other |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 351 | 410 | 448 |
Crude Oil and NGLs | Total Segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 22,950 | 20,668 | 16,522 |
Crude Oil and NGLs | North America | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 9,679 | 7,254 | 7,655 |
Crude Oil and NGLs | North Sea | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 860 | 753 | 666 |
Crude Oil and NGLs | Offshore Africa | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 632 | 628 | 579 |
Crude Oil and NGLs | Oil Sands Mining and Upgrading | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 11,340 | 11,521 | 7,072 |
Crude Oil and NGLs | Midstream and Refining | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 88 | 102 | 102 |
Natural gas | Inter–segment elimination and other |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 145 | 148 | 161 |
Natural gas | Total Segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 1,419 | 1,614 | 1,838 |
Natural gas | North America | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 1,150 | 1,256 | 1,506 |
Natural gas | North Sea | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 57 | 140 | 118 |
Natural gas | Offshore Africa | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 67 | 70 | 53 |
Natural gas | Oil Sands Mining and Upgrading | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 0 | 0 | 0 |
Natural gas | Midstream and Refining | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 0 | 0 | 0 |
Other | Inter–segment elimination and other |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 0 | 0 | 0 |
Other | Total Segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 25 | 0 | 0 |
Other | North America | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 6 | 0 | 0 |
Other | North Sea | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 5 | 0 | 0 |
Other | Offshore Africa | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 8 | 0 | 0 |
Other | Oil Sands Mining and Upgrading | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | 6 | 0 | 0 |
Other | Midstream and Refining | Operating segments |  |  |  |
Revenue [abstract] |  |  |  |
Product sales | $ 0 | $ 0 | $ 0 |
[1] | In connection with adoption of IFRS 15 on January 1, 2018, the Company has reclassified certain comparative amounts in a manner consistent with the presentation adopted for the year ended December 31, 2018.

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