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Description of Business and Segmented Disclosures - Schedule of Segment and Operational Information (Detail) - CAD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Revenues |  |  |  |  |  |  |
Gross Sales | $ 20,747,000,000 |  | $ 11,170,000,000 | [1] | $ 38,130,000,000 | $ 20,836,000,000 | [1]
Less: Royalties | 1,582,000,000 |  | 533,000,000 | [1] | 2,767,000,000 | 906,000,000 | [1]
Revenue | 19,165,000,000 |  | 10,637,000,000 | [1] | 35,363,000,000 | 19,930,000,000 | [1]
Expenses |  |  |  |  |  |  |
Purchased Product | 9,396,000,000 | $ 7,482,000,000 | 5,255,000,000 | [1] | 16,878,000,000 | 9,458,000,000 | [1]
Transportation and Blending | 3,048,000,000 | 2,975,000,000 | 1,854,000,000 | [1] | 6,023,000,000 | 3,673,000,000 | [1]
Operating | 1,481,000,000 |  | 1,144,000,000 | [1] | 2,768,000,000 | 2,278,000,000 | [1]
(Gain) Loss on Risk Management | 283,000,000 |  | 600,000,000 | [1] | 1,568,000,000 | 794,000,000 | [1]
Depreciation, Depletion and Amortization | 1,132,000,000 |  | 1,036,000,000 | [1] | 2,162,000,000 | 2,081,000,000 | [1]
Exploration Expense | 10,000,000 |  | 4,000,000 | [1] | 26,000,000 | 10,000,000 | [1]
(Income) Loss From Equity-Accounted Affiliates | 2,000,000 |  | (13,000,000) | [1] | (2,000,000) | (27,000,000) | [1]
Segment Income (Loss) | 3,813,000,000 |  | 757,000,000 |  | 5,940,000,000 | 1,663,000,000 |
General and Administrative | 218,000,000 |  | 170,000,000 | [1] | 417,000,000 | 333,000,000 | [1]
Finance Costs | 195,000,000 |  | 232,000,000 | [1] | 424,000,000 | 476,000,000 | [1]
Interest Income | (8,000,000) |  | (3,000,000) | [1] | (23,000,000) | (7,000,000) | [1]
Integration Costs | 28,000,000 |  | 34,000,000 | [1] | 52,000,000 | 257,000,000 | [1]
Foreign Exchange (Gain) Loss, Net | 192,000,000 |  | (172,000,000) | [1] | 90,000,000 | (289,000,000) | [1]
Re-measurement of Contingent Payment | 15,000,000 |  | 249,000,000 | [1] | 251,000,000 | 436,000,000 | [1]
Gain on Divestiture of Assets | (62,000,000) |  | (60,000,000) | [1] | (304,000,000) | (72,000,000) | [1]
Other (Income) Loss, Net | (38,000,000) |  | (29,000,000) | [1] | (408,000,000) | (101,000,000) | [1]
Total Non-operating (Income) Expense | 540,000,000 |  | 421,000,000 |  | 499,000,000 | 1,033,000,000 |
Earnings (Loss) Before Income Tax | 3,273,000,000 |  | 336,000,000 | [1] | 5,441,000,000 | 630,000,000 | [1]
Income Tax Expense (Recovery) | 841,000,000 |  | 112,000,000 | [1] | 1,384,000,000 | 186,000,000 | [1]
Net Earnings (Loss) | 2,432,000,000 |  | 224,000,000 | [1] | 4,057,000,000 | 444,000,000 | [1]
2018 Superior Refinery |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
Proceeds from insurance | 0 |  | 0 |  | 268,000,000 | 45,000,000 |
2018 Atlantic Region |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
Proceeds from insurance | 5,000,000 |  | 0 |  | 57,000,000 | 0 |
Realized (Gain) Loss |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 664,000,000 |  | 199,000,000 |  | 1,638,000,000 | 541,000,000 |
Unrealized (Gain) Loss on Risk Management |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | (381,000,000) |  | 401,000,000 |  | (70,000,000) | 253,000,000 |
Upstream |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |
Gross Sales | 11,685,000,000 |  | 6,128,000,000 |  | 22,582,000,000 | 12,253,000,000 |
Less: Royalties | 1,582,000,000 |  | 533,000,000 |  | 2,767,000,000 | 906,000,000 |
Revenue | 10,103,000,000 |  | 5,595,000,000 |  | 19,815,000,000 | 11,347,000,000 |
Expenses |  |  |  |  |  |  |
Purchased Product | 1,461,000,000 |  | 717,000,000 |  | 3,279,000,000 | 1,787,000,000 |
Transportation and Blending | 3,238,000,000 |  | 2,006,000,000 |  | 6,432,000,000 | 3,978,000,000 |
Operating | 1,010,000,000 |  | 791,000,000 |  | 1,919,000,000 | 1,576,000,000 |
Operating Margin | 3,831,000,000 |  | 1,893,000,000 |  | 6,751,000,000 | 3,588,000,000 |
Depreciation, Depletion and Amortization | 948,000,000 |  | 846,000,000 |  | 1,813,000,000 | 1,691,000,000 |
Exploration Expense | 10,000,000 |  | 4,000,000 |  | 26,000,000 | 10,000,000 |
(Income) Loss From Equity-Accounted Affiliates | 2,000,000 |  | (17,000,000) |  | (2,000,000) | (29,000,000) |
Segment Income (Loss) | 3,195,000,000 |  | 684,000,000 |  | 4,972,000,000 | 1,682,000,000 |
Upstream | Realized (Gain) Loss |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 563,000,000 |  | 188,000,000 |  | 1,434,000,000 | 418,000,000 |
Upstream | Unrealized (Gain) Loss on Risk Management |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | (324,000,000) |  | 376,000,000 |  | (58,000,000) | 234,000,000 |
Downstream |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |
Gross Sales | 10,844,000,000 |  | 6,318,000,000 |  | 19,091,000,000 | 11,008,000,000 |
Less: Royalties | 0 |  | 0 |  | 0 | 0 |
Revenue | 10,844,000,000 |  | 6,318,000,000 |  | 19,091,000,000 | 11,008,000,000 |
Expenses |  |  |  |  |  |  |
Purchased Product | 9,046,000,000 |  | 5,502,000,000 |  | 15,992,000,000 | 9,470,000,000 |
Transportation and Blending | (2,000,000) |  | 0 |  | 0 | 0 |
Operating | 866,000,000 |  | 515,000,000 |  | 1,511,000,000 | 1,032,000,000 |
Operating Margin | 847,000,000 |  | 291,000,000 |  | 1,391,000,000 | 475,000,000 |
Depreciation, Depletion and Amortization | 155,000,000 |  | 159,000,000 |  | 290,000,000 | 328,000,000 |
Exploration Expense | 0 |  | 0 |  | 0 | 0 |
(Income) Loss From Equity-Accounted Affiliates | 0 |  | 0 |  | 0 | 0 |
Segment Income (Loss) | 733,000,000 |  | 109,000,000 |  | 1,115,000,000 | 114,000,000 |
Downstream | Realized (Gain) Loss |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 87,000,000 |  | 10,000,000 |  | 197,000,000 | 31,000,000 |
Downstream | Unrealized (Gain) Loss on Risk Management |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | (41,000,000) |  | 23,000,000 |  | (14,000,000) | 33,000,000 |
Oil Sands |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |
Gross Sales |  |  | 5,075,000,000 |  |  | 9,993,000,000 |
Expenses |  |  |  |  |  |  |
Purchased Product |  | 1,212,000,000 | 430,000,000 |  |  | 1,119,000,000 |
Transportation and Blending |  | 3,156,000,000 | 1,984,000,000 |  |  | 3,934,000,000 |
Oil Sands | Upstream |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |
Gross Sales | 10,048,000,000 |  | 5,075,000,000 |  | 19,266,000,000 | 9,993,000,000 |
Less: Royalties | 1,491,000,000 |  | 469,000,000 |  | 2,573,000,000 | 793,000,000 |
Revenue | 8,557,000,000 |  | 4,606,000,000 |  | 16,693,000,000 | 9,200,000,000 |
Expenses |  |  |  |  |  |  |
Purchased Product | 1,071,000,000 |  | 430,000,000 |  | 2,283,000,000 | 1,119,000,000 |
Transportation and Blending | 3,200,000,000 |  | 1,984,000,000 |  | 6,356,000,000 | 3,934,000,000 |
Operating | 806,000,000 |  | 592,000,000 |  | 1,508,000,000 | 1,177,000,000 |
Operating Margin | 2,921,000,000 |  | 1,411,000,000 |  | 5,120,000,000 | 2,552,000,000 |
Depreciation, Depletion and Amortization | 690,000,000 |  | 627,000,000 |  | 1,325,000,000 | 1,239,000,000 |
Exploration Expense | (1,000,000) |  | 2,000,000 |  | 0 | 13,000,000 |
(Income) Loss From Equity-Accounted Affiliates | 8,000,000 |  | (5,000,000) |  | 8,000,000 | (5,000,000) |
Segment Income (Loss) | 2,547,000,000 |  | 413,000,000 |  | 3,844,000,000 | 1,072,000,000 |
Oil Sands | Upstream | Realized (Gain) Loss |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 559,000,000 |  | 189,000,000 |  | 1,426,000,000 | 418,000,000 |
Oil Sands | Upstream | Unrealized (Gain) Loss on Risk Management |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | (323,000,000) |  | 374,000,000 |  | (57,000,000) | 233,000,000 |
Conventional | Upstream |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |
Gross Sales | 1,079,000,000 |  | 626,000,000 |  | 2,191,000,000 | 1,402,000,000 |
Less: Royalties | 89,000,000 |  | 39,000,000 |  | 160,000,000 | 63,000,000 |
Revenue | 990,000,000 |  | 587,000,000 |  | 2,031,000,000 | 1,339,000,000 |
Expenses |  |  |  |  |  |  |
Purchased Product | 390,000,000 |  | 287,000,000 |  | 996,000,000 | 668,000,000 |
Transportation and Blending | 34,000,000 |  | 19,000,000 |  | 68,000,000 | 37,000,000 |
Operating | 128,000,000 |  | 140,000,000 |  | 262,000,000 | 282,000,000 |
Operating Margin | 434,000,000 |  | 142,000,000 |  | 697,000,000 | 352,000,000 |
Depreciation, Depletion and Amortization | 99,000,000 |  | 102,000,000 |  | 179,000,000 | 210,000,000 |
Exploration Expense | 1,000,000 |  | 1,000,000 |  | 1,000,000 | (3,000,000) |
(Income) Loss From Equity-Accounted Affiliates | 0 |  | 0 |  | 0 | 0 |
Segment Income (Loss) | 335,000,000 |  | 37,000,000 |  | 518,000,000 | 144,000,000 |
Conventional | Upstream | Realized (Gain) Loss |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 4,000,000 |  | (1,000,000) |  | 8,000,000 | 0 |
Conventional | Upstream | Unrealized (Gain) Loss on Risk Management |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | (1,000,000) |  | 2,000,000 |  | (1,000,000) | 1,000,000 |
Offshore | Upstream |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |
Gross Sales | 558,000,000 |  | 427,000,000 |  | 1,125,000,000 | 858,000,000 |
Less: Royalties | 2,000,000 |  | 25,000,000 |  | 34,000,000 | 50,000,000 |
Revenue | 556,000,000 |  | 402,000,000 |  | 1,091,000,000 | 808,000,000 |
Expenses |  |  |  |  |  |  |
Purchased Product | 0 |  | 0 |  | 0 | 0 |
Transportation and Blending | 4,000,000 |  | 3,000,000 |  | 8,000,000 | 7,000,000 |
Operating | 76,000,000 |  | 59,000,000 |  | 149,000,000 | 117,000,000 |
Operating Margin | 476,000,000 |  | 340,000,000 |  | 934,000,000 | 684,000,000 |
Depreciation, Depletion and Amortization | 159,000,000 |  | 117,000,000 |  | 309,000,000 | 242,000,000 |
Exploration Expense | 10,000,000 |  | 1,000,000 |  | 25,000,000 | 0 |
(Income) Loss From Equity-Accounted Affiliates | (6,000,000) |  | (12,000,000) |  | (10,000,000) | (24,000,000) |
Segment Income (Loss) | 313,000,000 |  | 234,000,000 |  | 610,000,000 | 466,000,000 |
Offshore | Upstream | Realized (Gain) Loss |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 0 |  | 0 |  | 0 | 0 |
Offshore | Upstream | Unrealized (Gain) Loss on Risk Management |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 0 |  | 0 |  | 0 | 0 |
Canadian Manufacturing | Downstream |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |
Gross Sales | 1,521,000,000 |  | 1,088,000,000 |  | 2,565,000,000 | 1,894,000,000 |
Less: Royalties | 0 |  | 0 |  | 0 | 0 |
Revenue | 1,521,000,000 |  | 1,088,000,000 |  | 2,565,000,000 | 1,894,000,000 |
Expenses |  |  |  |  |  |  |
Purchased Product | 1,296,000,000 |  | 807,000,000 |  | 2,100,000,000 | 1,438,000,000 |
Transportation and Blending | (2,000,000) |  | 0 |  | 0 | 0 |
Operating | 180,000,000 |  | 92,000,000 |  | 304,000,000 | 185,000,000 |
Operating Margin | 47,000,000 |  | 189,000,000 |  | 161,000,000 | 271,000,000 |
Depreciation, Depletion and Amortization | 64,000,000 |  | 43,000,000 |  | 106,000,000 | 86,000,000 |
Exploration Expense | 0 |  | 0 |  | 0 | 0 |
(Income) Loss From Equity-Accounted Affiliates | 0 |  | 0 |  | 0 | 0 |
Segment Income (Loss) | (17,000,000) |  | 146,000,000 |  | 55,000,000 | 185,000,000 |
Canadian Manufacturing | Downstream | Realized (Gain) Loss |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 0 |  | 0 |  | 0 | 0 |
Canadian Manufacturing | Downstream | Unrealized (Gain) Loss on Risk Management |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 0 |  | 0 |  | 0 | 0 |
U.S. Manufacturing | Downstream |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |
Gross Sales | 8,474,000,000 |  | 4,729,000,000 |  | 14,983,000,000 | 8,166,000,000 |
Less: Royalties | 0 |  | 0 |  | 0 | 0 |
Revenue | 8,474,000,000 |  | 4,729,000,000 |  | 14,983,000,000 | 8,166,000,000 |
Expenses |  |  |  |  |  |  |
Purchased Product | 6,939,000,000 |  | 4,229,000,000 |  | 12,421,000,000 | 7,149,000,000 |
Transportation and Blending | 0 |  | 0 |  | 0 | 0 |
Operating | 655,000,000 |  | 394,000,000 |  | 1,149,000,000 | 799,000,000 |
Operating Margin | 793,000,000 |  | 96,000,000 |  | 1,216,000,000 | 187,000,000 |
Depreciation, Depletion and Amortization | 83,000,000 |  | 103,000,000 |  | 168,000,000 | 217,000,000 |
Exploration Expense | 0 |  | 0 |  | 0 | 0 |
(Income) Loss From Equity-Accounted Affiliates | 0 |  | 0 |  | 0 | 0 |
Segment Income (Loss) | 751,000,000 |  | (30,000,000) |  | 1,062,000,000 | (63,000,000) |
U.S. Manufacturing | Downstream | Realized (Gain) Loss |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 87,000,000 |  | 10,000,000 |  | 197,000,000 | 31,000,000 |
U.S. Manufacturing | Downstream | Unrealized (Gain) Loss on Risk Management |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | (41,000,000) |  | 23,000,000 |  | (14,000,000) | 33,000,000 |
Retail | Downstream |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |
Gross Sales | 849,000,000 |  | 501,000,000 |  | 1,543,000,000 | 948,000,000 |
Less: Royalties | 0 |  | 0 |  | 0 | 0 |
Revenue | 849,000,000 |  | 501,000,000 |  | 1,543,000,000 | 948,000,000 |
Expenses |  |  |  |  |  |  |
Purchased Product | 811,000,000 |  | 466,000,000 |  | 1,471,000,000 | 883,000,000 |
Transportation and Blending | 0 |  | 0 |  | 0 | 0 |
Operating | 31,000,000 |  | 29,000,000 |  | 58,000,000 | 48,000,000 |
Operating Margin | 7,000,000 |  | 6,000,000 |  | 14,000,000 | 17,000,000 |
Depreciation, Depletion and Amortization | 8,000,000 |  | 13,000,000 |  | 16,000,000 | 25,000,000 |
Exploration Expense | 0 |  | 0 |  | 0 | 0 |
(Income) Loss From Equity-Accounted Affiliates | 0 |  | 0 |  | 0 | 0 |
Segment Income (Loss) | (1,000,000) |  | (7,000,000) |  | (2,000,000) | (8,000,000) |
Retail | Downstream | Realized (Gain) Loss |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 0 |  | 0 |  | 0 | 0 |
Retail | Downstream | Unrealized (Gain) Loss on Risk Management |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 0 |  | 0 |  | 0 | 0 |
Corporate and Eliminations |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |
Gross Sales | (1,782,000,000) |  | (1,276,000,000) |  | (3,543,000,000) | (2,425,000,000) |
Less: Royalties | 0 |  | 0 |  | 0 | 0 |
Revenue | (1,782,000,000) |  | (1,276,000,000) |  | (3,543,000,000) | (2,425,000,000) |
Expenses |  |  |  |  |  |  |
Purchased Product | (1,111,000,000) | (1,282,000,000) | (964,000,000) |  | (2,393,000,000) | (1,799,000,000) |
Transportation and Blending | (188,000,000) | $ (221,000,000) | (152,000,000) |  | (409,000,000) | (305,000,000) |
Operating | (395,000,000) |  | (162,000,000) |  | (662,000,000) | (330,000,000) |
Depreciation, Depletion and Amortization | 29,000,000 |  | 31,000,000 |  | 59,000,000 | 62,000,000 |
Exploration Expense | 0 |  | 0 |  | 0 | 0 |
(Income) Loss From Equity-Accounted Affiliates | 0 |  | 4,000,000 |  | 0 | 2,000,000 |
Segment Income (Loss) | (115,000,000) |  | (36,000,000) |  | (147,000,000) | (133,000,000) |
General and Administrative | 218,000,000 |  | 170,000,000 |  | 417,000,000 | 333,000,000 |
Finance Costs | 195,000,000 |  | 232,000,000 |  | 424,000,000 | 476,000,000 |
Interest Income | (8,000,000) |  | (3,000,000) |  | (23,000,000) | (7,000,000) |
Integration Costs | 28,000,000 |  | 34,000,000 |  | 52,000,000 | 257,000,000 |
Foreign Exchange (Gain) Loss, Net | 192,000,000 |  | (172,000,000) |  | 90,000,000 | (289,000,000) |
Re-measurement of Contingent Payment | 15,000,000 |  | 249,000,000 |  | 251,000,000 | 436,000,000 |
Gain on Divestiture of Assets | (62,000,000) |  | (60,000,000) |  | (304,000,000) | (72,000,000) |
Other (Income) Loss, Net | (38,000,000) |  | (29,000,000) |  | (408,000,000) | (101,000,000) |
Total Non-operating (Income) Expense | 540,000,000 |  | 421,000,000 |  | 499,000,000 | 1,033,000,000 |
Corporate and Eliminations | Realized (Gain) Loss |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | 14,000,000 |  | 1,000,000 |  | 7,000,000 | 92,000,000 |
Corporate and Eliminations | Unrealized (Gain) Loss on Risk Management |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |
(Gain) Loss on Risk Management | $ (16,000,000) |  | $ 2,000,000 |  | $ 2,000,000 | $ (14,000,000) |
[1] | See Note 3 for revisions to prior period results.

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