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Segmented Information - Operating Segments Earnings (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Revenue [abstract] |  |  |
Product sales | $ 40,835 | $ 49,530 | $ 32,854
Less: royalties | (4,867) | (7,232) | (2,797)
Revenue | 35,968 | 42,298 | 30,057
Expenses |  |  |
Production | 8,480 | 8,712 | 7,152
Transportation, blending and feedstock | 9,302 | 9,973 | 6,604
Depletion, depreciation and amortization | 6,413 | 7,353 | 5,724
Asset retirement obligation accretion | 366 | 281 | 185
Risk management activities (commodity derivatives) | 14 | 7 | (17)
Gain on acquisitions | 0 | 0 | (478)
Income from North West Redwater Partnership | 0 | 0 | (400)
Total expenses | 25,803 | 28,594 | 20,146
Earnings before taxes | 10,165 | 13,704 | 9,911
Administration | 452 | 415 | 366
Share-based compensation | 491 | 804 | 514
Interest and other financing expense | 636 | 549 | 711
Net unrealized risk management loss (gain) | 12 | (28) | 19
Foreign exchange (gain) loss | (279) | 738 | (127)
Gain from investments | (56) | (196) | (141)
Current income tax expense | 1,879 | 2,906 | 1,848
Deferred corporate income tax | 53 | (139) | 399
Net earnings | 8,233 | 10,937 | 7,664
Accumulated depletion and depreciation |  |  |
Expenses |  |  |
Recoverability charge | 436 | 1,620 |
Total Segments |  |  |
Revenue [abstract] |  |  |
Less: royalties | (4,867) | (7,232) | (2,797)
Revenue | 35,968 | 42,298 | 30,057
Expenses |  |  |
Production | 8,480 | 8,712 | 7,152
Transportation, blending and feedstock | 9,302 | 9,973 | 6,604
Depletion, depreciation and amortization | 6,413 | 7,353 | 5,724
Asset retirement obligation accretion | 366 | 281 | 185
Risk management activities (commodity derivatives) | (24) | (18) | (29)
Gain on acquisitions | 0 | 0 | (478)
Income from North West Redwater Partnership | 0 | 0 | (400)
Total expenses | 24,585 | 26,337 | 18,816
Earnings before taxes | 11,383 | 15,961 | 11,241
Total Segments | Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 960 | 1,285 | 882
Total Segments | Crude Oil, Natural Gas Liquids, Natural Gas, Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 40,835 | 49,530 | 32,854
North Sea |  |  |
Expenses |  |  |
Recoverability charge | 436 | 1,620 |
Operating segments | North America |  |  |
Revenue [abstract] |  |  |
Less: royalties | (2,443) | (3,918) | (1,694)
Revenue | 17,317 | 21,985 | 15,387
Expenses |  |  |
Production | 3,617 | 3,754 | 2,963
Transportation, blending and feedstock | 5,808 | 6,394 | 4,772
Depletion, depreciation and amortization | 3,679 | 3,595 | 3,569
Asset retirement obligation accretion | 234 | 171 | 101
Risk management activities (commodity derivatives) | (24) | (18) | (29)
Gain on acquisitions | 0 | 0 | (478)
Income from North West Redwater Partnership | 0 | 0 | 0
Total expenses | 13,362 | 13,932 | 10,956
Earnings before taxes | 3,955 | 8,053 | 4,431
Operating segments | North America | Accumulated depletion and depreciation |  |  |
Expenses |  |  |
Recoverability charge | 0 | 0 |
Operating segments | North America | Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 10 | 217 | 119
Operating segments | North America | Crude Oil, Natural Gas Liquids, Natural Gas, Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 19,760 | 25,903 | 17,081
Operating segments | North Sea |  |  |
Revenue [abstract] |  |  |
Less: royalties | (1) | (1) | (1)
Revenue | 441 | 635 | 610
Expenses |  |  |
Production | 342 | 437 | 383
Transportation, blending and feedstock | 7 | 6 | 7
Depletion, depreciation and amortization | 494 | 1,747 | 160
Asset retirement obligation accretion | 46 | 33 | 21
Risk management activities (commodity derivatives) | 0 | 0 | 0
Gain on acquisitions | 0 | 0 | 0
Income from North West Redwater Partnership | 0 | 0 | 0
Total expenses | 889 | 2,223 | 571
Earnings before taxes | (448) | (1,588) | 39
Operating segments | North Sea | Accumulated depletion and depreciation |  |  |
Expenses |  |  |
Recoverability charge | 436 | 1,620 |
Operating segments | North Sea | Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 0 | 0 | (1)
Operating segments | North Sea | Crude Oil, Natural Gas Liquids, Natural Gas, Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 442 | 636 | 611
Operating segments | Offshore Africa |  |  |
Revenue [abstract] |  |  |
Less: royalties | (57) | (71) | (21)
Revenue | 580 | 686 | 437
Expenses |  |  |
Production | 141 | 114 | 91
Transportation, blending and feedstock | 1 | 1 | 1
Depletion, depreciation and amortization | 213 | 173 | 142
Asset retirement obligation accretion | 8 | 7 | 6
Risk management activities (commodity derivatives) | 0 | 0 | 0
Gain on acquisitions | 0 | 0 | 0
Income from North West Redwater Partnership | 0 | 0 | 0
Total expenses | 363 | 295 | 240
Earnings before taxes | 217 | 391 | 197
Operating segments | Offshore Africa | Accumulated depletion and depreciation |  |  |
Expenses |  |  |
Recoverability charge | 0 | 0 |
Operating segments | Offshore Africa | Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 9 | 8 | 7
Operating segments | Offshore Africa | Crude Oil, Natural Gas Liquids, Natural Gas, Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 637 | 757 | 458
Operating segments | Oil Sands Mining and Upgrading |  |  |
Revenue [abstract] |  |  |
Less: royalties | (2,366) | (3,242) | (1,081)
Revenue | 16,300 | 17,711 | 13,025
Expenses |  |  |
Production | 3,989 | 4,076 | 3,414
Transportation, blending and feedstock | 2,563 | 2,652 | 1,505
Depletion, depreciation and amortization | 2,011 | 1,822 | 1,838
Asset retirement obligation accretion | 78 | 70 | 57
Risk management activities (commodity derivatives) | 0 | 0 | 0
Gain on acquisitions | 0 | 0 | 0
Income from North West Redwater Partnership | 0 | 0 | 0
Total expenses | 8,641 | 8,620 | 6,814
Earnings before taxes | 7,659 | 9,091 | 6,211
Operating segments | Oil Sands Mining and Upgrading | Accumulated depletion and depreciation |  |  |
Expenses |  |  |
Recoverability charge | 0 | 0 |
Operating segments | Oil Sands Mining and Upgrading | Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 5 | 149 | 73
Operating segments | Oil Sands Mining and Upgrading | Crude Oil, Natural Gas Liquids, Natural Gas, Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 18,666 | 20,953 | 14,106
Operating segments | Midstream and Refining |  |  |
Revenue [abstract] |  |  |
Less: royalties | 0 | 0 | 0
Revenue | 1,002 | 986 | 759
Expenses |  |  |
Production | 332 | 271 | 234
Transportation, blending and feedstock | 664 | 691 | 550
Depletion, depreciation and amortization | 16 | 16 | 15
Asset retirement obligation accretion | 0 | 0 | 0
Risk management activities (commodity derivatives) | 0 | 0 | 0
Gain on acquisitions | 0 | 0 | 0
Income from North West Redwater Partnership | 0 | 0 | (400)
Total expenses | 1,012 | 978 | 399
Earnings before taxes | (10) | 8 | 360
Operating segments | Midstream and Refining | Accumulated depletion and depreciation |  |  |
Expenses |  |  |
Recoverability charge | 0 | 0 |
Operating segments | Midstream and Refining | Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 926 | 906 | 681
Operating segments | Midstream and Refining | Crude Oil, Natural Gas Liquids, Natural Gas, Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 1,002 | 986 | 759
Non-segmented |  |  |
Expenses |  |  |
Total expenses | 1,218 | 2,257 | 1,330
Administration | 452 | 415 | 366
Share-based compensation | 491 | 804 | 514
Interest and other financing expense | 636 | 549 | 711
Net unrealized risk management loss (gain) | (26) | (53) | 7
Foreign exchange (gain) loss | (279) | 738 | (127)
Gain from investments | (56) | (196) | (141)
Non-segmented | Accumulated depletion and depreciation |  |  |
Expenses |  |  |
Recoverability charge | 0 | 0 |
Inter-segment elimination and Other |  |  |
Revenue [abstract] |  |  |
Less: royalties | 0 | 0 | 0
Revenue | 328 | 295 | (161)
Expenses |  |  |
Production | 59 | 60 | 67
Transportation, blending and feedstock | 259 | 229 | (231)
Depletion, depreciation and amortization | 0 | 0 | 0
Asset retirement obligation accretion | 0 | 0 | 0
Risk management activities (commodity derivatives) | 0 | 0 | 0
Gain on acquisitions | 0 | 0 | 0
Income from North West Redwater Partnership | 0 | 0 | 0
Total expenses | 318 | 289 | (164)
Earnings before taxes | 10 | 6 | 3
Inter-segment elimination and Other | Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 10 | 5 | 3
Inter-segment elimination and Other | Crude Oil, Natural Gas Liquids, Natural Gas, Other Income And Revenue |  |  |
Revenue [abstract] |  |  |
Revenue | 328 | 295 | (161)
Crude Oil and NGLs | Total Segments |  |  |
Revenue [abstract] |  |  |
Product sales | 37,300 | 43,009 | 29,256
Crude Oil and NGLs | Operating segments | North America |  |  |
Revenue [abstract] |  |  |
Product sales | 17,375 | 20,755 | 14,478
Crude Oil and NGLs | Operating segments | North Sea |  |  |
Revenue [abstract] |  |  |
Product sales | 435 | 623 | 607
Crude Oil and NGLs | Operating segments | Offshore Africa |  |  |
Revenue [abstract] |  |  |
Product sales | 577 | 694 | 420
Crude Oil and NGLs | Operating segments | Oil Sands Mining and Upgrading |  |  |
Revenue [abstract] |  |  |
Product sales | 18,661 | 20,804 | 14,033
Crude Oil and NGLs | Operating segments | Midstream and Refining |  |  |
Revenue [abstract] |  |  |
Product sales | 76 | 80 | 78
Crude Oil and NGLs | Inter-segment elimination and Other |  |  |
Revenue [abstract] |  |  |
Product sales | 176 | 53 | (360)
Natural gas | Total Segments |  |  |
Revenue [abstract] |  |  |
Product sales | 2,575 | 5,236 | 2,716
Natural gas | Operating segments | North America |  |  |
Revenue [abstract] |  |  |
Product sales | 2,375 | 4,931 | 2,484
Natural gas | Operating segments | North Sea |  |  |
Revenue [abstract] |  |  |
Product sales | 7 | 13 | 5
Natural gas | Operating segments | Offshore Africa |  |  |
Revenue [abstract] |  |  |
Product sales | 51 | 55 | 31
Natural gas | Operating segments | Oil Sands Mining and Upgrading |  |  |
Revenue [abstract] |  |  |
Product sales | 0 | 0 | 0
Natural gas | Operating segments | Midstream and Refining |  |  |
Revenue [abstract] |  |  |
Product sales | 0 | 0 | 0
Natural gas | Inter-segment elimination and Other |  |  |
Revenue [abstract] |  |  |
Product sales | $ 142 | $ 237 | $ 196

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