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Assets Held for Sale (Details) $ in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 31, 2022 CAD ($) | Dec. 31, 2021 CAD ($) gasStation | Dec. 31, 2020 CAD ($) | Dec. 31, 2019 CAD ($)
Disclosure of operating segments [line items] |  |  |  |
Property, Plant and Equipment, Net |  | $ 34,225 | $ 25,411 | $ 27,834
Right-of-Use Assets, Net |  | 2,010 | 1,139 | 1,325
Goodwill |  | 3,473 | 2,272 | 2,272
Lease Liabilities |  | (2,957) | (1,757) | (1,916)
Decommissioning Liabilities |  | (3,906) | (1,248) | $ (1,235)
Non-current assets held for sale |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Property, Plant and Equipment, Net |  | 1,162 |  |
Right-of-Use Assets, Net |  | 54 |  |
Goodwill |  | 88 |  |
Liabilities classified as held for sale |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Lease Liabilities |  | (58) |  |
Decommissioning Liabilities |  | $ (128) |  |
Retail |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Assets held-for-sale, number of gas stations | gasStation |  | 337 |  |
Consideration for sale of assets held for sale |  | $ 420 |  |
Operating margin associated with assets held for sale |  | 64 |  |
Property, Plant and Equipment, Net |  | 205 | 0 |
Right-of-Use Assets, Net |  | 49 | 0 |
Goodwill |  | 0 | $ 0 |
Retail | Non-current assets held for sale |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Property, Plant and Equipment, Net |  | 498 |  |
Right-of-Use Assets, Net |  | 54 |  |
Goodwill |  | 0 |  |
Retail | Liabilities classified as held for sale |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Lease Liabilities |  | (58) |  |
Decommissioning Liabilities |  | (86) |  |
Tucker |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Proceeds from disposal of oil and gas assets | $ 800 |  |  |
Tucker | Non-current assets held for sale |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Property, Plant and Equipment, Net |  | 505 |  |
Right-of-Use Assets, Net |  | 0 |  |
Goodwill |  | 88 |  |
Tucker | Liabilities classified as held for sale |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Lease Liabilities |  | 0 |  |
Decommissioning Liabilities |  | (33) |  |
Wembley |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Consideration for sale of assets held for sale |  | 238 |  |
Wembley | Non-current assets held for sale |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Property, Plant and Equipment, Net |  | 159 |  |
Right-of-Use Assets, Net |  | 0 |  |
Goodwill |  | 0 |  |
Wembley | Liabilities classified as held for sale |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Lease Liabilities |  | 0 |  |
Decommissioning Liabilities |  | $ (9) |  |

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