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v3.23.3

Prior Period Revisions (Details) - CAD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales | $ 15,712 |  |  |  | $ 18,697 |  | $ 41,438 |  | $ 56,827 |
Purchased Product | 6,620 | [1] | $ 5,728 | $ 5,809 | 10,052 | [1] | 18,157 | [1] | 27,038 | [1]
Transportation and Blending | 2,164 | [1] | 2,563 | 2,752 | 2,579 | [1] | 7,479 | [1] | 8,406 | [1]
Operating | 1,553 | [1] | 1,600 | 1,636 | 1,504 | [1] | 4,789 | [1] | 4,360 | [1]
Depreciation, Depletion and Amortization | 1,197 |  |  |  | 1,047 |  | 3,374 |  | 3,209 |
Purchased Product, Transportation And Blending, Operating |  |  | 9,891 | 10,197 | 14,135 |  |  |  | 39,804 |
Oil Sands |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  | 6,437 | 5,707 | 8,764 |  |  |  | 28,030 |
Purchased Product |  |  | 414 | 355 | 1,919 |  |  |  | 4,202 |
Gross sales and purchased product |  |  | 6,023 | 5,352 | 6,845 |  |  |  | 23,828 |
Gross sales less purchased product |  |  | 6,023 | 5,352 | 6,845 |  |  |  | 23,828 |
Conventional |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  | 620 | 1,037 | 1,036 |  |  |  | 3,286 |
Purchased Product |  |  | 337 | 483 |  |  |  |  |  |
Transportation and Blending |  |  | 66 | 81 | 64 |  |  |  | 191 |
Gross sales less purchased product and transportation and blending |  |  | 217 | 473 |  |  |  |  |  |
Gross Sales Less Transportation And Blending |  |  |  |  | 972 |  |  |  | 3,095 |
U.S. Manufacturing |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  | 6,064 | 5,629 | 8,705 |  |  |  | 23,688 |
Purchased Product |  |  | 5,364 | 4,898 | 7,930 |  |  |  | 20,351 |
Gross sales and purchased product |  |  | 700 | 731 | 775 |  |  |  | 3,337 |
Gross sales less purchased product |  |  | 700 | 731 | 775 |  |  |  | 3,337 |
Corporate and Eliminations |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales | (2,729) |  | (1,844) | (1,496) | (2,426) |  | (6,069) |  | (5,772) |
Purchased Product | (2,227) |  | (1,470) | (1,020) | (2,011) |  | (4,717) |  | (4,040) |
Transportation and Blending | (233) |  | (207) | (275) | (247) |  | (715) |  | (911) |
Operating | (139) |  | (126) | (147) | (191) |  | (412) |  | (765) |
Depreciation, Depletion and Amortization | $ 19 |  |  |  | 27 |  | $ 59 |  | 86 |
Gross sales less purchased product, transportation and blending and operating |  |  | (41) | (54) | 23 |  |  |  | (56) |
Canadian Manufacturing |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  | 2,168 |  |  |  | 6,020 |
Purchased Product |  |  |  |  | 1,750 |  |  |  | 5,065 |
Transportation and Blending |  |  |  |  | 0 |  |  |  | 0 |
Operating |  |  |  |  | 172 |  |  |  | 534 |
Depreciation, Depletion and Amortization |  |  |  |  | 42 |  |  |  | 164 |
Gross sales less purchased product, transportation, blending and operating, and depreciation, depletion and amortization |  |  |  |  | 204 |  |  |  | 257 |
Retail |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  | 0 |  |  |  | 0 |
Purchased Product |  |  |  |  | 0 |  |  |  | 0 |
Operating |  |  |  |  | 0 |  |  |  | 0 |
Depreciation, Depletion and Amortization |  |  |  |  | 0 |  |  |  | 0 |
Gross Sales Less Purchased Product, Operating, And Depreciation, Depletion And Amortization |  |  |  |  | 0 |  |  |  | 0 |
Previously Reported |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Purchased Product |  |  | 5,709 | 5,792 | 10,012 |  |  |  | 26,890 |
Transportation and Blending |  |  | 2,641 | 2,853 | 2,684 |  |  |  | 8,707 |
Operating |  |  | 1,541 | 1,552 | 1,439 |  |  |  | 4,207 |
Purchased Product, Transportation And Blending, Operating |  |  | 9,891 | 10,197 | 14,135 |  |  |  | 39,804 |
Previously Reported | Oil Sands |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  | 6,556 | 5,911 | 8,778 |  |  |  | 28,044 |
Purchased Product |  |  | 533 | 559 | 1,933 |  |  |  | 4,216 |
Gross sales and purchased product |  |  | 6,023 | 5,352 | 6,845 |  |  |  | 23,828 |
Gross sales less purchased product |  |  | 6,023 | 5,352 | 6,845 |  |  |  | 23,828 |
Previously Reported | Conventional |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  | 615 | 1,031 | 1,010 |  |  |  | 3,201 |
Purchased Product |  |  | 352 | 510 |  |  |  |  |  |
Transportation and Blending |  |  | 46 | 48 | 38 |  |  |  | 106 |
Gross sales less purchased product and transportation and blending |  |  | 217 | 473 |  |  |  |  |  |
Gross Sales Less Transportation And Blending |  |  |  |  | 972 |  |  |  | 3,095 |
Previously Reported | U.S. Manufacturing |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  | 6,198 | 5,860 | 8,719 |  |  |  | 23,702 |
Purchased Product |  |  | 5,498 | 5,129 | 7,944 |  |  |  | 20,365 |
Gross sales and purchased product |  |  | 700 | 731 | 775 |  |  |  | 3,337 |
Gross sales less purchased product |  |  | 700 | 731 | 775 |  |  |  | 3,337 |
Previously Reported | Corporate and Eliminations |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  | (2,092) | (1,925) | (2,619) |  |  |  | (6,162) |
Purchased Product |  |  | (1,757) | (1,499) | (2,267) |  |  |  | (4,660) |
Transportation and Blending |  |  | (109) | (141) | (119) |  |  |  | (528) |
Operating |  |  | (185) | (231) | (256) |  |  |  | (918) |
Gross sales less purchased product, transportation and blending and operating |  |  | (41) | (54) | 23 |  |  |  | (56) |
Previously Reported | Canadian Manufacturing |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  | 1,478 |  |  |  | 4,043 |
Purchased Product |  |  |  |  | 1,092 |  |  |  | 3,192 |
Transportation and Blending |  |  |  |  | 3 |  |  |  | 3 |
Operating |  |  |  |  | 134 |  |  |  | 438 |
Depreciation, Depletion and Amortization |  |  |  |  | 37 |  |  |  | 143 |
Gross sales less purchased product, transportation, blending and operating, and depreciation, depletion and amortization |  |  |  |  | 212 |  |  |  | 267 |
Previously Reported | Retail |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  | 881 |  |  |  | 2,424 |
Purchased Product |  |  |  |  | 846 |  |  |  | 2,317 |
Operating |  |  |  |  | 38 |  |  |  | 96 |
Depreciation, Depletion and Amortization |  |  |  |  | 5 |  |  |  | 21 |
Gross Sales Less Purchased Product, Operating, And Depreciation, Depletion And Amortization |  |  |  |  | (8) |  |  |  | (10) |
Revisions |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Purchased Product |  |  | 19 | 17 | 40 |  |  |  | 148 |
Transportation and Blending |  |  | (78) | (101) | (105) |  |  |  | (301) |
Operating |  |  | 59 | 84 | 65 |  |  |  | 153 |
Purchased Product, Transportation And Blending, Operating |  |  | 0 | 0 | 0 |  |  |  | 0 |
Revisions | Oil Sands |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  | (119) | (204) | (14) |  |  |  | (14) |
Purchased Product |  |  | (119) | (204) | (14) |  |  |  | (14) |
Gross sales and purchased product |  |  | 0 | 0 | 0 |  |  |  | 0 |
Gross sales less purchased product |  |  | 0 | 0 | 0 |  |  |  | 0 |
Revisions | Conventional |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  | 5 | 6 | 26 |  |  |  | 85 |
Purchased Product |  |  | (15) | (27) |  |  |  |  |  |
Transportation and Blending |  |  | 20 | 33 | 26 |  |  |  | 85 |
Gross sales less purchased product and transportation and blending |  |  | 0 | 0 |  |  |  |  |  |
Gross Sales Less Transportation And Blending |  |  |  |  | 0 |  |  |  | 0 |
Revisions | U.S. Manufacturing |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  | (134) | (231) | (14) |  |  |  | (14) |
Purchased Product |  |  | (134) | (231) | (14) |  |  |  | (14) |
Gross sales and purchased product |  |  | 0 | 0 | 0 |  |  |  | 0 |
Gross sales less purchased product |  |  | 0 | 0 | 0 |  |  |  | 0 |
Revisions | Corporate and Eliminations |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  | 248 | 429 | 2 |  |  |  | (57) |
Purchased Product |  |  | 287 | 479 | 65 |  |  |  | 173 |
Transportation and Blending |  |  | (98) | (134) | (128) |  |  |  | (383) |
Operating |  |  | 59 | 84 | 65 |  |  |  | 153 |
Gross sales less purchased product, transportation and blending and operating |  |  | $ 0 | $ 0 | 0 |  |  |  | 0 |
Revisions | Canadian Manufacturing |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  | 0 |  |  |  | 0 |
Purchased Product |  |  |  |  | 3 |  |  |  | 3 |
Transportation and Blending |  |  |  |  | (3) |  |  |  | (3) |
Operating |  |  |  |  | 0 |  |  |  | 0 |
Depreciation, Depletion and Amortization |  |  |  |  | 0 |  |  |  | 0 |
Gross sales less purchased product, transportation, blending and operating, and depreciation, depletion and amortization |  |  |  |  | 0 |  |  |  | 0 |
Revisions | Retail |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  | 0 |  |  |  | 0 |
Purchased Product |  |  |  |  | 0 |  |  |  | 0 |
Operating |  |  |  |  | 0 |  |  |  | 0 |
Depreciation, Depletion and Amortization |  |  |  |  | 0 |  |  |  | 0 |
Gross Sales Less Purchased Product, Operating, And Depreciation, Depletion And Amortization |  |  |  |  | 0 |  |  |  | 0 |
Segment Aggregation |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Purchased Product |  |  |  |  | 0 |  |  |  | 0 |
Transportation and Blending |  |  |  |  | 0 |  |  |  | 0 |
Operating |  |  |  |  | 0 |  |  |  | 0 |
Purchased Product, Transportation And Blending, Operating |  |  |  |  | 0 |  |  |  | 0 |
Segment Aggregation | Oil Sands |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  | 0 |  |  |  | 0 |
Purchased Product |  |  |  |  | 0 |  |  |  | 0 |
Gross sales and purchased product |  |  |  |  | 0 |  |  |  | 0 |
Gross sales less purchased product |  |  |  |  | 0 |  |  |  | 0 |
Segment Aggregation | Conventional |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  | 0 |  |  |  | 0 |
Transportation and Blending |  |  |  |  | 0 |  |  |  | 0 |
Gross Sales Less Transportation And Blending |  |  |  |  | 0 |  |  |  | 0 |
Segment Aggregation | U.S. Manufacturing |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  | 0 |  |  |  | 0 |
Purchased Product |  |  |  |  | 0 |  |  |  | 0 |
Gross sales and purchased product |  |  |  |  | 0 |  |  |  | 0 |
Gross sales less purchased product |  |  |  |  | 0 |  |  |  | 0 |
Segment Aggregation | Corporate and Eliminations |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  | 191 |  |  |  | 447 |
Purchased Product |  |  |  |  | 191 |  |  |  | 447 |
Transportation and Blending |  |  |  |  | 0 |  |  |  | 0 |
Operating |  |  |  |  | 0 |  |  |  | 0 |
Gross sales less purchased product, transportation and blending and operating |  |  |  |  | 0 |  |  |  | 0 |
Segment Aggregation | Canadian Manufacturing |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  | 690 |  |  |  | 1,977 |
Purchased Product |  |  |  |  | 655 |  |  |  | 1,870 |
Transportation and Blending |  |  |  |  | 0 |  |  |  | 0 |
Operating |  |  |  |  | 38 |  |  |  | 96 |
Depreciation, Depletion and Amortization |  |  |  |  | 5 |  |  |  | 21 |
Gross sales less purchased product, transportation, blending and operating, and depreciation, depletion and amortization |  |  |  |  | (8) |  |  |  | (10) |
Segment Aggregation | Retail |  |  |  |  |  |  |  |  |  |
Disclosure of changes in accounting estimates [line items] |  |  |  |  |  |  |  |  |  |
Gross Sales |  |  |  |  | (881) |  |  |  | (2,424) |
Purchased Product |  |  |  |  | (846) |  |  |  | (2,317) |
Operating |  |  |  |  | (38) |  |  |  | (96) |
Depreciation, Depletion and Amortization |  |  |  |  | (5) |  |  |  | (21) |
Gross Sales Less Purchased Product, Operating, And Depreciation, Depletion And Amortization |  |  |  |  | $ 8 |  |  |  | $ 10 |
[1] | Comparative periods reflect certain revisions. See Note 26

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